US1570497A - Latch - Google Patents

Description

- w. E. JONES v LATCH Filed June 5. 1925 wipmam V lowing is a-specification.

dainQlQ, 192$. 7 "I To all whom it may concern:

Be it known thatI, WILLIAM E.

citizen of the United States, residingg at White, in the county of Ashley and ,Stateof Arkansas, have invented new and yusefulf Improvements in Latches; of which thefol- This invention rel te's open position by a knob or the likeat either) side of the door or vbarrier and which is provided with athumb latch for locking it in closed positionwhen the barrier isto' be locked from the inside. i r

This invention also consists in certain other features of constructionand in thecombination'and arrangement of theseveral parts, to be hereinafter fully described,

illustrated in the accompanying drawings and specifically pointed out in the appended claims.

In describing my inventionin detaihref erence Will be haddt'o the accompanying 1 drawings 'wherein like characters Fdenote like orcorrespondingparts throughout the I several views, and in'which gure 1 is a view showing the latchinusep, I g g a V Figure 1.

Figure 3 is an end view.

In these views, indicates the barrier and .B, a part oi the frame. The latch bar.

is shown at 1 and is pivoted to a bracket 2 which is fastenedto the barrier and which s has its outer end passing through a slot in the outwardly extending flange-of an angle plate 3 which is fastened to an edge of the barrier. This slot forms a guide for the latch bar. The keeper plate t is adjustably fastened to the frame .B by means of'the screws 5 which pass through ,thesljots 6. This plate has an outwardly extendingflange 7 which has a beveled end 8 anda notch 10 in saidfend serves as a keeper notch for the end of t'he latch bar 1,; A, spring arm 11 has one}end ,fastened -to, the' bracket 2-and its free end isfslotted to'areceive the'bar 1 so that thisspring arm'actst to hold the latch bar in latching position.

A stem 12 is rotatably carried by the door 7 I [holding "the bar in latching position, .a k11 b stem, an arm thereon having a slot v and is provided with the knobs or handles 13 so that it can be'turned, A slotted arm i Apiilication fild' il'une 3, c J

[1411 Jones, a

ibeopened with ofsthe door..=' g x -It is moresimple than door locks1less v I liable to break, easily; mounted on-doors and '0 f 1 Figure2 is asiction on line 2-2" passes through IthesIOt'thereinQ ,Thus when thestem is-turiied th'e o arm i's moved; and

this -move1nent 'of the arm will swing the bar 1 ;0n;-its 1 pivot and againstthe action of its spring 11--'and move the end of-thebar outoffthe keeper notch 10.. When the knob orhandle isfreleased, the spring 11will"re'-.- 1

fturn'the parts'ito latching position. v r The ends oftlie handles may be provided with radium carrying parts 15,, so that the. f oknobsorha ndlescan'be readilygrasped: at 1 night.

1 "A ,humb-latchf16 is'adjustably pivotedtot the, flange? by-means ofa' pin 17 passing; through a slot 18in the latch and the beveled 7 point" 19 ofj'said latch is'adapted'to engage I abjeveled edge on the barl, when the latch is swung into'latching position by its handle 20 so as to hold the'bar inlocking position. I g v This latch-is for doors and especially for, 1

night latches; the thumb latch being pivothangs "over, the center of gravity andis pointed to hook; over the latch bar in such a mannerasto draw closer tokeeper'pl'ate with dium buttons and finger knobs placed j so as to protect against jambing andbreaking, making it quickly seen in the dark; All 7 parts are reversible to suit doors" swinging opposite ways, with the exception of the keeper.

ally mounted andwhen in locked p'osition, I

an'd fhold latch "bar "more securely-the more pressure'is brought to,bear against it; I 'j,-'This" 'latchf -is very; strong, operates smoothly,-and iwhenthumb latch-is ofi', can

eqnal ease from either side.

It is thought; from therorg'onig' :descrip 1 ti'on that the advantages and novel features of my. invention willbe readily. apparent,

UIde'Sire it t' b -:11nderstoocl that I m y make changes in the construction andfin'the I combination and arrangement of the several parts, provided that suchjcha'nges fall with- V in the scope of the appended claims. j"

-' What Iclaim is V 1: ,A latch of the class'described compris v mg a: latchbair, a-keepermember having a notch'therein for receiving the end of the bar, a slotted guide for the bar, a springfor' 10 flange, one end 0 which is beveled and slotted to engage the outer end of the latchingbar, a knob stem passing through the barrier, an arm .on the stem having a slot therein through which, the latch bar passes, a

handle on each end of the stem and a thumb latch pivoted to the flange of the keeper plate for locking the bar in latching position.

In testimony whereof I afiix my signature.

WILLIAM E. JONES.

Images