US3101536A

US3101536A - Combination safety razor and honing device

Info

Publication number: US3101536A
Application number: US157186A
Authority: US
Inventors: August R Bringewald
Original assignee: Individual
Current assignee: Individual
Priority date: 1961-12-05
Filing date: 1961-12-05
Publication date: 1963-08-27
Anticipated expiration: 1980-08-27

Description

Aug. 27, 1963 A. R. BRINGEWALD 3,101,536

COMBINATION SAFETY RAZOR AND HoNING DEVICE EIIed Dec. 5, 1961 I s sheets-sheet 1 Aug. 27, 1963 A. R. BRINGEWALD 3,101,536

COMBINATION SAFETY RAZOR AND HONING DEVICE Filed Dec. 5, 1961 25 Sheets-Sheet 2 COMBINATION SAFETY RAZOR AND HoNING DEVICE Filed Deo. 5, 1961 A. R. BRINGEWALD Aug. 27, 1963 5 Sheets-Sheet 5 United States Patent Ofce 3,101,536 Patented Aug. 27, 1963 3,101,536 COMBIYATION SAFETY RAZOR AND HONING DEVICE August R. Bringewald, 7 Ingold Drive, Huntington, N.Y. Filed Dec. 5, 1961, Ser. No. 157,186 9 Claims. (Cl. 30-36) This invention relates to safety razors and is particu larly designed to provide in its head the combination of a blade, and means to resharpen said blade in the razor as often as desired.

The usual type of safety razor in common use today requires va new blade every time the one in use becomes dull. Not only is the blade changing procedure inconvenient and time consuming but the disposal of the drilled blade is also very uneconomical.

It lis therefore, the principal iobject of the present invention to provide a novel form of a safety razorincor porating in its head the combination of va blade, 'and a blade honing device.

Another object of the present invention is to provide a concavely shaped single-edged or -double-edged razor blade adapted to be re-sharpened while it is in the razor.

Another object to the present invention is Ito provide a new land improved safety razor having a device to ladjust the blade position to the desired shaving angle.

Another object to the present invention is to provide a novel form of razor Iincorporating in its head a blade honing device, ldesigned for engagement with a rotary crank provided on the razor itself or on the storage caser of the razor.

Another object of the present invention is in combination with the novel form of a safety razor, to provide a razor storage case having la rotary crank designed for engagement with the honing device of said novel form of a razor.

Another object of the present invention is to provide a novel form of a razor adapted for most economical manufacture `on a quantity base.

With the above and related objects in View, this invention consists in the details of construction and combination `of pa-rts as will be more fully understood from the following description, when read in conjunction `with the accompanying dnawings in vwhich: y

l-TIG. 1 is a iside elevational view of la safety razor embodying the present invention, showing a fragmentary View lof lthe handle.

FIG. 2 is 'a front elevational View of the head portion of the razor `shown in FIG. 1, showing a fragmentary view of the handle.

FIG. 3 is a v:tcp elevational view of the razor head shown in FIG. 2.

FIG. 4 is a sectional view through the head of the razor taken on lline 4 4 of FIG. 2.

FIG. 5 is a transverse sectional view through the head of the razor in shaving position, taken on line `5--5 of FIG. 2.

FIG. 6 is a transverse sectional View through the head of the razor in shaving position, taken on line 6-6 of FIG. 2.

FIG. 7 is a transverse sectional view through the head the razor taken on line 7 7 `ofi-TIG. 8.

FiG. 8 is a rear view of the razor, the head partly in4 section and showing `a fragmentary vie-w of the handle.

FIG. 9` is a transverse sectional view through the head of line 9-9 'of FIG. 8 showing the position of the blade carrier in blade assembly position with the blade clamping device still open.

FIG. l is like FIG. 5, a transverse sectional view through the head on line 5 of FIG. 2 however showing the blade in the process of being honed. Phantom lines indicate the circular path lof the blade carrier with blade during the blade honing procedure.

FIG. 1l is a side view of FIG. 9 in ydirection A showing only the blade carrier with its details and the blade, omitting the rest of the view.

FIG. 12 is a front view lof the storage case, partly in FIG. l5 is a section of the `storage Vcase and safetyrazor handle taken on line 15--15 of FIG. l2.

Referring now `in greater detail to the drawings, wherein similar reference chanacters refer to similiar parts, there is shown a razor generally designated 10, comprising a head l11' which is mounted on a handle 12. The head 11 includes a semi-circular trough-shaped housing 13, which is defined by the base wall 14, and the side walls 1`5 and L16 to pro-vide la semi-tubular chamber 19 for substantially receiving the following parts: Ithe shaft' 27, the square end 2S of which is supported in the side wall 15 of housing l13 in rfixed position; the clutch 33 supported for rotation in the side wall r16 of housing 13, and provided with the bore 32 to receive and support the opposite round end 31 of the shaft 27; the blade carrier 2o mounted for rotation and restricted iaxial oscillating motion on shaft 27; the permanent blade 21 mounted on the blade carrier 20; the cam plate 62 supported on hub 43 of the clutch 33; the support 53 for the lower honing pad 22 mounted and secured on shaft 27; the upper `honing pad 23 fastened to the inner surface y61 of the base wall 14 of housing 13, `and the compression spring 65 positioned in recess 71 of the `support 53. Transversely seen, both honing pads rare semi-circular and arranged within the semi-tubular chamber 19, concen-trically about the axis of rotation of the blade carrier 20, .the lower pad 22 encircled by the upper pad 23, the radius of the parting line `64 of the padsvcoinciding with the mean nadius in which the concavely shaped blade 21 is mounted on the blade carrier 20, as best seen in FIGS. 5, 6 and 9.r

Fromv the foregoing it is manifest that the troughshaped housing 13 defines a semitubular chamber `19 in which a blade carrier 2li, provided Iwith the permanent blade 21, is mounted for rotation and restricted axial oscillating motion on shaft 27, and in which a lower honing pad 22, and an upper honing pad 23 -is provided to facilitate the honing process, as will be presently described.

The blade carrier Z0, also trough-shaped, is defined by the semi-tubular base wal124, and

side walls

25 and 26, y

both said side walls having bearing holes 67 in which said blade carrier is supported for rotation and restricted axial oscillating motion on shaft 27 between the

side walls

15 and 16 of housing 13. The side wall 26 of the blade carrier 20 is provided with the tracer pin 51 and the openingy 52, the tracer pin to coact with-the cam 68 of cam plate 62, and the opening 52 to coact slidingly with the arresting pin '69 of -the clutch 33 to facilitate theaxial oscillating motion of said blade carrier for the purpose as Will be seen.

On its upper part the blade carrier 20` is provided withl a pair of frontwardly projected

arms

35 and 36 integral. with

side walls

25 and 26 respectively, having on their upper edges, in front of the front edge 70 of the semitubular base wall 24 recess 37 and 38, concavely curved to conform with the ltransverse sectional shape of the blade 21.

The blade 21 in its transverse view is concavely curved and secured in the recess 37 of the blade carrier 20y by a pair of

clamps

39 and 40 which are supported for rotation by rivets 44 on the

side walls

25 and 26. The rotation of clamps 39 and `40 is restricted by

stops

45 and 46 respectively, integral with said clamps as shown in FIGS. 9 and 11. Rod springs 41 `and 42, fastened to the

side walls

25 and 26 by rivets 72, are providing clamping action for clamps39 and 40 by acting against the

lever arms

47 and 48 of said clamps as best shown in FIGS. 6 and 9. The blade 21 may be released by lifting the

clamps

39 and 40 on projections 491 and 50 provided thereon as best shown in FIGS. 9 and 11.

The shaft 27 on one end is provided With a square portion 28, which is received in the corresponding square opening 29 provided in side wall 15 of housing 13, and

`extended through said Wall to be secured in xed position by a rivet head 30. The opposite end 31 of the shaft 27 is round and supported in the bore 32 of the clutch 33.

The clutch 33, positioned within the chamber 19, is mounted for rotation on hub 43 `of said clutch in the side wall 16 of the housing 13, and secured by snap ring 34 on the outside of said side Wall. The externally extended male part 18 of the clutch 33 is adapted for coaetion with the claw 106 of the spindle 105 provided on the storage case 100, as shown in FIG. 12. The arm 74, as an integral part of the clutch 33, on its outer end 75 is provided with the arresting pin 69, adapted to coact slidingly with the opening 52 of the side wall 26 of the blade carrier 20 in order to Afacilitate the rotary-osciliarting motion of said blade carrier for the purpose as will be seen.

The compression spring y65 is positioned in the recess 71 of support '53 embracing shaft 27, and is provided to apply axial pressure against the inner surface '76 of the side wall 26 'ofthe blade caznnier 20 in order to maintain riding contact between tracer pin 51, provided on said side wall, `and cam 168 in order to actua-te the oscillating motion of said blade carrier during the honing process.

'Ihe cam plate 62 is positioned within the chamber 119 between side wall 1610i housing 13 and ange 6311of clutch 33. rIlhe cam 60, as an integr-al portion `of the cam plate 62, consists of lsine-Wave-type corrugations which are arranged concentnically about the axis of rotation of the blade carrier '20, and is designed for collabonation with the tracer pin 51 tot side wall 26 of said blade carrier, for the puipose as mentioned previously. A resilient lever *79, fastened to the rear pontion of the cam plate 62 is provided with the tooth 80 to coact with the teeth 84 of the serration plate 31, which is secured to the rear portion of the side Wall 16 of the housing 13 by rivet 312. Lever 83 is pnovided to .enable the adjustment of the shaving angle, and to secure the desired shaving angle by arresting the tooth 80 of the lever 79 between two of the respective teeth 8410i the serration plate 31. In shaving position the tracer pin 51 of the blade carrier 20 is arrested and secured between the two

corrugations

85 and 35 of cam plate 62.

The support 53 for the lower housing pad 22 is semibar-rel shaped positioned and mounted between the

side walls

25 and 26 `of the blade carrier 20 on shaft 27, and secured by pin 54. The

arms

55 and 56 `are projected frontwardly as integral members of the upper side portion of the support 53 to provide support-for nod 57 which is provided, to carry [and position the tubular front guard 58 between said arms in iront of, and below the blade edge 17.

The lower honing pad 22 and the 4upper honing pad 23, having approximately the length of the razor blade, are provided with layens 77 and '78 of abrasive material. The lower pad 22 is located between the

side walls

25 and 26 of the blade carrier 20', and is mounted on suppont 53. 'Ilhe ,upper honing pad 23 is positioned between the side walls 15 and `16 of housing 13 in common plan with the lower pad 22, :and is mounted on the inner surface 61 of base wall 14 of said housing. Both honing pads may be fastened to their respective support by adhesive bonding or any other applicable means. The

layers

77 and 78 are arranged to touch each other under la predetermined pressure in order to facilitate the honing procedure.

The materials -for both pads may be leather or other suitable materials, preferably rubber. The abrasive layers |may be made from aluminum loxide or other materials suitable for the honing process.

The rear guard 86, having about the length of the blade 21, is positioned, and secured by rivets 87 on top of the housing v13, and is providing a slot 89 between the front edge 88 tof said rear guard and the blade 21 to facilitate :free rotary movement of said blade. In its transverse view the guard 86 is shaped to conform with the semi-circular upper portion of the housing `13. v

The storage case consists essentially of the receptacle 101 iand the cover 102, the latter pivotally connected to the rear por-tion offsaid receptacle by means of pin 107. A resilient latch 10Sy is provided at the front portion of the receptacle 101 to'coact with the hook 109 as an integral part lof thev cover 102, to secure the latter in closed position. 'Ilhe cover 102 may be released by simply depressing the latch 10S.

Internally the receptacle `101 is provided with supports and 1-11, :and the cover l102 with the supports 112 and '113, all said supports conforming to the respective external configuration olf the razor 10 ygiving said razor a inm position when it is placed in said receptacle and said cover closed.

The side wall 114 of the receptacle 101 is provided with the bushing 115 to support the spindle 105 for rotation. One end tot the spindle y105 is extending to the inside of the receptacle 101 and is provided with a fork or claw v106, adapted to coact with the male part 1S ot the clutch 33 of the razor 10. The opposite end 116 of the spindle 105 is projected externally, and is provided with the ratchet wheel l117 and crank 103, the hub 118 ot which is slid over the hub 1,19 of said ratchet wheel, and said ratchet Wheel and said crank are 'fastened together with pin 120 to the spindle 105. A pawl k121 shown in FIG. 13, is positioned ton the external face of the side wall 114, and by the actionfotf the helical spring 122 is coacting with the ratchet wheel 117 to permit rotation of the crank 103 in `only one dinection, i.e. clockwise relative to the storage case. Handle 104, serving to operate the crank 103, tor storage reason, may be tur-ned into the position as indicated by the phantom lines shown in rFIG. 12.

The external configuration of the storage case 100 is roughly simulating the shape of the razor 10, and is provided with handle 1123` for holding said storage case conveniently during the honingprocedure.

When -it is `desired to sharpen the blade 21 in the razor 10, it is merely necessary to place said razor properly into the receptacle y101 of the storage case 100, automatically engage the male part r18 of the clutch 33 of said razor with the claw 106 of the spindle 105, which is supported in the side Wall 114 of said receptacle, close the cover 102` of said storage case, and to turn the crank 103 ot said receptacle a ew times. By turning the crank 103, the arresting pin 69 of the clutch 33, coacting siidingly with the opening 52 of the side wall 26 of the blade carrier 20, rotates said blade carrier with the blade 21 mounted on it, and the tracer pin 51, secured to said side wall, under the effect or" the compression spring `65, rides `on the sine-wave-type cornugated cam 68, rforcing said blade carrier with said blade into axially oscillating motions, thereby achieving a combined rotaryaxially oscillating movement of the blade 21 between the

abrasive layers

77 and 78 ot the resilient honing

pads

22 and 23, the cutting edge 17 trailing the motion of said blade to produce a honing effect on said cutting edge, known by the trade as superiinishing process. By selecting the correct abrasive materials tor this process no material removal will take place during the honing cured on the rear of said housing; and means to rotate process, justifying to refer to the blade 2l as a permasaid blade carrier.

nent blade. 4. ln a safety razor the combination of: a head', a Although this invention has been described in considerblade carrier incorporating a blade adapted to be honed able detail, such description is intended as being illustra- 5 in the razor', a honing device consisting of a lower honing tive rather than limiting, since the invention may be pad and anupper honing pad, both said honing pads e of the invention is to arranged within said head circular about a common axis variously embodied and the scop of rotation of said blade carrier and said honing device,

be determined as claime Having thus set forth and disclosed the nature of this said lower honing pad encircled by said upper honing invention, what is claimed is: pad; and means including a clutch member to accoml. In a safety razor the combination of: a head; a plish the honing procedure of said blade between sai blade carrier supported for rotation on a shaft positioned honing pads by rotary motion. v and sec red in fixed position within said head; a blade, 5. ln a .safety razor i e combination of: a head; a concavely shaped in its transverse view, mounted and blade carrier incorporating a blade adapted to be honed secured on said blade carrier and adapted to be honed in the razor; a honing device consis-ting of a lower honing in the razor', a stationary honing device, consisting of a pad and an upper honing pad, both said honing pads a1'- lower honing pad and an upper honing pad, both PadS ranged within said head circular about a common axis Pads arranged Within Sai-d bead Cifnla-Y anni 'fha aXiS of rotation of said blade carrier and said honing device, oi rotation of said blade carrier, the lower said honing said lower honing pad encircled by said upper honing pad', ad encircled by ine nPPni' Said honing Pad, Said honing 20 and means including a clutch member to accomplish the adS tOnClling aaCli @tha at inail, COYnInOn Parting-line, honing procedure of said blade between said honing pads the radius of said parting-line coinciding with the mean by rotary motion, and Oscillating mono parallel with radius on which said concave blade is mounted on said respect (lo .Said axis 0i rotation blade carrier; and means to rotate said blade, mounted 6., 1n .a safety razor the combination of; a head; a On Said blade Carrier, between Said honing Padn trough-shaped blade carrier supported for rotation on a 2- in a Saiiaiy iaZOI in@ Combination 0i: a head', a shaft positioned and secured in fixed position within said blade carrier supported for rotation and oscillatingmohood; ,a blade mounted on and Secured lo said blade my. tions parallel to the axis of rotation ofi said blade carrier nel by a olomolng device, sal olado adapted lo bo hone on a shaft positioned and secured in fixed position '1n tho razon, o Stationary ,onlng dovloo Consisting of a within said head; a blade, concave in its transverse view, lowol. honing ond and ,an honor honing pad, holh Sold adapted Ifor permanent use and therefore mounte on honing nodS arranged within Sold hood ohonlan about Said blade Gamer @o be fejhoned of feshlened m the axis of rotation of said blade carrier, said lower honing said head; a stationary honing device, consisting o a p2nl onoholod hy ,Sold non@ honing no nnd mounted on lower honing Pad and a up?? honing pa i bom Pads a support secured to said shaft in fixed position, and having about 'Une length 0f Said made. are made from 35 located within the semi-tubular chamber provided by said resilient material mixed with abrasive oxide, and arranged hongh ,shanod hlnde conn-lol. Sold Support ln los none/l. non circular about said axis of rotation, said upper pad enhon orovldod ,with ono ann on each end nnolootod nono circling said lower pad, both said honing pads touching wnrdly to Sonno o lowel. vghond loon/tod notwoon sold each other at their common partlnghne, mhd@ a Pedetef' arms below and in front oi the cutting edge of said blade mined pressure, aid parting-line coinciding wit t e d0 relativo no, ,its Shaving ooo-dion. moans lo notato Sold mean radius in which said blade is mounted on said blade blade between Sold honing oads; `and means to arrest carrier; and means to rotate and oscillate said blade be- Sold olado ,omer whh Said blade in the des-Hed snavlno tween said honing pads. 905mm 3. ln a safety razor the combination oi'. a head', a 7 ln o solely razor the oomhlnonon ol, a hond. a blade 0 el' Supporte@ for iotaon and Oscuatmg mf" 45 trough-shaped blade carrier supported for rotation and 'nnnS 'Parallel in the axis of mamon of Sad maid? Gander oscillating motion parallel to the axis of rotation of said 0n a Shat, Positioned and Seemed m xed 031mm W1 blade carrier on a sha-it positioned and secured in iixed in said head, said oscillating motions of said blade carposition -lth-m Said head; a blade mounted on and ,Se ner facilitated by the 'Cooperation 0n a cinica fun carente said tiene earner by cinnprng device, sara inane ported for rotation in said head, having anarm provide adapted lo he honed ln the razor. o stationary hon-lng ded with an arresting Pin Slidiniy Cowling, Wh Sad, blade vice consisting of alower honing pad and an upper honing Cai'nal', a cnfi'ngatfd 0am the Wi'mgatllons Di S3151 0am pad, both said honing pads arranged within said head aifaligei nnnnlfloaulf @bont the am@ of rolfauon a circular about 'die axis of rotation of said blade carrier, tracer pin, coacting with said corrugations, said tracer Said lower honing pad onoholod by Said oppor honing oa Pin Sannifed i0 Said binde @web and a Compresslo Sprmg 55 and mounted on a support secured to said shaft in fixed positioned i0 embrace Said Shaft and adapted to maintain position, and located within the semi-tubular chamber propressure against said blade carrier parallel to said axis of V-ldod ,by Sal-ld tronghohanod hl do candor Sold support rotation, and riding `contact between said tracer pin and in its honor nonnon novidod with ono ann on oneh ond said corrugations; a blade, concave in its transverse view projected hoolwaxdly to support a lower guard looalod adapted to be honed in said head as often as desired for between Sold arms holow ,and ln front of Ilhe ontnng odge permanent use, said blade mounted and secured on said of Said .olado relativo to no Shaving ooshlon., moans o blade carrier; a honing device, COIiSiSting 0i a inWef rotate and oscillatesaid blade between said honing pads', honing rad and an upper honing rad, both Said honing and means te arrest said time earner with sata iliade pads having approximately the length of said blade, ar- ,in lh@ desired Shaving position,

ranged circular about said axis of rotation, Said UPP 8. In -a safety razor the combination of: a head; a honing pad encircling said lower honing pad, both- .said blade carrier incorporating a blade adapted to be honed honing pads touching each Oinai' under a pfedatarrnnad in the razor; a honing device consisting of a lower honing pressure at the lcommon parting-line, said parting-line pad and an upper honing pad, both ,Said honing pads coinciding with the mean radius in which said blade is 7o arranged within said head circular about a common axis mounted -on said blade carrier; means to adiust the razor of rotation of said blade carrier and said honing device, blade to the desired shaving angle, said means consisting said lower honing pad encircled by said upper honing of a resilient lever fastened to the rear portion of said pad', rneans including a clutch member to accomplisl cam plate land provided with a tooth coacting with a the honing procedure of said blade between said honin; number of teeth of a serration plate positioned and se- 75 pads by rotary motion; and a storage case internally pro 'B vided with a complementary clutch member to ybe enpal'aliel with respect to Saidvaxig `0f rotation; and aSOl'age gaged with said clutch member of said razor said comcase internally provided with a complementary clutch plementary clutch member fastened to a spindle supported member to be engaged with said durch member of said for rotation on said storagey case, said spindle projected razor, said complementary clutc member fastened t0 a externally and provided with a rotary `crank and a ratchet 5 spindle Supported for rotation on said storage case, said wheel coacting with a pawl restricting the rotation of said Spindle projected ext crank to the desired direction. crank and a ratfche 9. In a safety razor the combination of: a head; a t the rotation of said crank tot the .desired direction. blade carrier incorporating a blade adapted to be honed in the razor; a homng device consisting of a lower honing l0 References Cited ill the file 0f this Patent pad .and an upper honing pad, yboth said honing pads UNITED STATE PATENTS arranged within said head circular about a common axis 1,713,079 Hal] May 14, 1929 of rotation of said blade carrier and said honing device, 1,783,614 Blackmore Jan, 13, 1931 said lower honing pad encircled by said upper honing 1,952,253 Hoff Mar. 27, 1934 i Aug. 11, 1942 the honing procedure of said blade between said honing 2,332,405 Smith Oct. 19', 1943 pads rby combined rotary motion and oscillating motion 2,565,281 Themes Aug. 21, 1951

Claims

1. IN A SAFETY RAZOR THE COMBINATION OF: A HEAD; A BLADE CARRIER SUPPORTED FOR ROTATION ON A SHAFT POSITIONED AND SECURED IN FIXED POSITION WITHIN SAID HEAD; A BLADE, CONCAVELY SHAPED IN ITS TRANSVERSE VIEW, MOUNTED AND SECURED ON SAID BLADE CARRIER AND ADAPTED TO BE HONED IN THE RAZOR; A STATIONARY HONING DEVICE, CONSISTING OF A LOWER HONING PAD AND AN UPPER HONING PAD, BOTH PADS PADS ARRANGED WITHIN SAID HEAD CIRCULAR ABOUT THE AXIS OF ROTATION OF SAID BLADE CARRIER, THE LOWER SAID HONING PAD ENCIRCLED BY THE UPPER SAID HONING PAD, SAID HONING PADS TOUCHING EACH OTHER AT THEIR COMMON PARTING-LINE, THE RADIUS OF SAID PARTING-LINE COINCIDING WITH THE MEAN RADIUS ON WHICH SAID CONCAVE BLADE IS MOUNTED ON SAID BLADE CARRIER; AND MEANS TO ROTATE SAID BLADE, MOUNTED ON SAID BLADE CARRIER, BETWEEN SAID HONING PADS.