US2659122A - Fastening device - Google Patents

Description

Nov. 17, 1953 J. F GOLUBlCS "2,659,122

FASTENING DEVICE Filed March 10, 1950 Patented Nov. 17, 1953 UNITED STATES PATENT i oFFicE 2 Claims.

This invention relates to a fastening device adapted to hold pocket combs or other devices of the type which are formed of half-portions joined in hinged relationship so as to enable the one half-portion to be in juxtapositioned relationship with respect to the other half-portiony and the prime object of the invention is to provide a simple, sturdy and efficient construction adapted to hold the half-portions of the comb in either folded or extended position.

Other objects, features, and advantages of th invention may be observed from a study of the following detailed description, the drawing, and the subjoined claims.

In the drawing: l

Figure 1 is a side-elevational view of the com of this invention in folded position.

Figures 2 and 3 are side-elevational views of the combs elements forming the article shown in Figure l.

Figure 4 is a sectional view taken along line 4 4, Figure 1, showing the manner in which the convexe-concave teeth of the comb elements lie in back-to-back relationship when folded, and showing the spheroidal pocket between the teeth when the comb is folded whereby an accessor may be accommodated therein.

Figures 5 and 6 are transverse sectional views of the sub-comb elements taken along lines 5 5 and 6 6 in Figures 2 and 3 showing construction related thereto.

Figure 7 is a side-elevational view of the slotted side of one sub-comb element of the combination, being representative of the sub-comb shown in Figure 3 and includes a nail file in elevational view'lying within a recess therefor and adjacent the convexo-concave side of certain of the teeth thereof. Y

Figure 8 is a side-elevational view of the comb which is similar to Figure l, but is modified thereover in that the nail le is shown extended to functional use position. Figure 9 is an end elevational View taken along line 9 9 in Figure 8 and is'adapted to show separation of the half-portions or sub-combs of the assembly to release the nail file or other accessory from there-between. v

Figure 10 is an elevational view of the comb in extended or functional use position; and,

Figures 11 and l2 respectively, are sectional and elevational views showing the device I employ to hold the sub-combs in functional position, that is, in either folded or in extended position.

The device I in the present disclosure comprises two half-portions or sub-combs 2 and 3 which are hingedly joined together by a fastening device 4 so as to enable the sub-combs to be folded upon themselves or extended as need be under a degree of resilient tension, as is best shown in Figures 1 and 10.

Each of the sub-combs are formed with a body 5 having fiat and parallel faced ends 6 from which there extends a finger I having teeth 8 rooted therein. The teeth 8 are convexo-concave intermediately of their root with the fingers 'I and their free ends, so that when the comb is folded and the teeth thereof lie in juxtapostioned relationship, there exists a spheroidal clearance 9 therebetween, and in this connection it is to be noted that the sub-comb 3 is formed with a sha1- low, right angled recess I0 in its face 6, the utility of which, including the clearance area 9 will be subsequently pointed out.

Each of the body portions 5 are formed with flanges II extending substantially the length" thereof and are so located andproportioned that when the comb is folded the 'teeth of the one sub-comb will lie within and under the flange upon the other of the sub-combs, see Figure 4.

It is to be noted that each of the sub-combs 2 and 3 is provided with a, transverse bore I2 to receive the fastening device 4. Since the sub' combs swing around the axis of the bore I2, it is necessary in order to properly nest these parts that they be located with a degree of definition;

accordingly, I locate the center of the bores I2' on the face portions 6 of the sub-combs by reference to a radius tangential to a plane coincidental with the free ends'of the teeth 8 and extending through degrees to tangency at I4 with a transverse plane coincidental with the related end of the sub-combs. The material between the pointsv I3 and I4 is removed to form a uniform radial shoulder.

Beginning at point I4 the edges of the faces I are spheroidal and extend in an arc I5 to a point I5a which is coincidental with a transversely placed plane passing through the point of beginning of the radius afore-mentioned. From the point I5a and outwardly therefrom in a line coincidental with said` last mentioned transverse plane, I form a shoulder` IB, and inwardly and] 3 the shoulders IS are brought into abutting contact and form a self-imposed lock against further rotation, thereby holding the sub-combs in end alignment with respect to one another.

Reference has previously been made to the fact that the sub-combs 2 and 3 are hinged together by means of the fastening device indicated by the reference numeral 4.

In Figures 11 and 12 I show in detail the structure of the fastening device tyhich' is Eshown as comprising the tubular ysleeves I8 Iand I9 which are slidably tted together and are formed with one closed end upon each thereof in the nature of a button-like nger grip 20 and 2 I. The sleeve I9 is formed with diametrically opposed slots 22 to receive the lugs 23 of a cradle 24'whichis:freely movable within the bore 25 thereof. A spring 26 placed Within the bore 25 is'se'ated in 'the cradle 24 and is retained therein by ineans of lips 21 struck from the inner ends of the sleeve I9 and `bent over the end coil ofthe spring 2B.' The sleeve I8 is formed with diametrically 0pposed bayonet slots 28 to receive the free end vof thelugs 23 in their extension'through'the sleeve I9, and which lugs bearupon the closed ends of the bayonet slots under expansive pressure vexerted by spring 26 when in functional position.

It is to be noted that the slot 22 is of such length as will -provide an amount of clearance 22a and 22h uponeach side of the lugs as will accommodate positional self-adjustment of the cradle when the fastener is assembled and in functional use. A

After the half-portions or sub-combs have been constructed as aforementioned,V they are assembled by sliding the sleeve lill through the bores I2, and then sliding-'the sleeve I9, with the spring 26 in its cradle 24, therein, that is, into the sleeve I8fwith the bayonet slot-28 aligned to receive the free ends yof thel lugs 23. and'rotational pressure upon-the sleeve assembly I9- will cause the lugs to travel the lengtlrof the slots 23 and upon release they will bear-upon the closed ends 30 thereof as shown in "Iiig'ureY 12; Since the spring is installed 'in 'the sleeve It under a predetermined degree of compression, it follows from the disclosure that it will exert pres' sure in onedirection -upon the cradle'24 andthat this pressure is transferred through the lugs thereof'to the sleeve l8,and in the opposite-direction upon thelips 21 of the sleevefiwithin which it' is confined, which pressure tends to force-the sleeve I9 inwardly of'the's'leeve It."

Thus it will be seen that the `expansive' pressure of the spring 2l is `so directed as to cause the finger grips Y and '2| to`conv`erge up'on one another in proportion to the 'degree of initial compression of the spring,y and the thickness of the material interposed between the finger grips 29 and 2|, which in the'present instance comprise the combined thickness of the sub-combs.

The fastening device is removed from its assembly by inward pressure upon the nger' grips and counter-rotation thereof.

From the preceding description it will be apparent to all those familiar with the art that I have conceived a novel fastening device for a comb construction,`a'combwhich when in extended form is adapted to any use to which a Inward f 4 common form of comb may be put, yet at the same time the comb in its several aspects is so constructed as to protect the teeth thereof when not in use, and that the fastening device generally indicated at 4 and more particularly illustrated in Figures 11 and 12 provides a novel and very eflicient fastening means adapted to various uses other than that herein shown as an application thereof. y It `is to be understood that the form of the invention herewith shown Vand described is to be 4taken or considered as being the preferred embodiment of the same and that various changes in .the shape, size and arrangement of the parts may be resorted to without departing from the spirit 'of 'the invention or the scope of the subjoined claims.

1; A fastening device, a first sleeve and a second sieeve, said sleeves being in slidable telescopic union with one another and khaving a .Closed end in eachithereof, said rst ,sleevebeing formed with bayonet slots beginning in the lip of the open end of said sleeve and' being terminal inf wardly thereof, said second sleeve being formed with slots in its sides intermediately of its ends, a cradle in said second' sleeve haring laterally disposed lugs adapted to extend through the slots therein and into said bayonet slots and in .pressure Contact with the closed en d of Vsaid bayonet slots, and a spring seated in said cradle and kconned therein against displacement.

2. In a fastening device utilizing a pair of tele; scoped tubular sleeves comprising a first sleeve and a second sleeve, said rst tubular sleeve having an open end and a closed flanged ,end and being formed with arcuate slots extending through the lip ofthe open end to a terminus within the walls thereof, said second tubular sleeve having an open end and a closed flanged end and beingformed with slots intermediate of the ends thereof, a cradle within said second sleeve, said cradle having radial lugs thereon so disposed" as to extend through and radially from said second mentioned slots to within and upon the terminal ends of said arcuate slots in said rst mentioned sleeve, a compressed extensile springiwithin said second sleeve having one end nested in said cradle and being held confined under pressure'therein by inturned flanges on the lip on the open end of the second sleeve, said slotted sleeves, the cradle "and spring bei-ng so constructed and arranged that upon assembly thereof said spring in its expansive pressure exerts an Voppositely directed pressure upon said sleeves whereby they are caused to move'converginglyof one another.

JOI-1N FRANCIS GOLUBICS.

References Cited inthe le of this patent.

UNITED STATES PATENTS Number Name Date 55,349 Noyes June. 5, 1,866 506,399v Henryv Oct. 10, 1833. 645,079 Finley Mar. 13,1900 2,123,068 summers j July 5.' 193g 2,479,152 Taylor Aug. 16, i949

Images