US1653990A - Clamp - Google Patents

Description

Dec. 27, 1927.

C. A. COVEY CLAMP Filed June 26, 1927 lmdmmill MJ Q\ m www 'c Xu.,

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Patented Dec. 27, 1927.

UNITED STATES PATENT OFFICE.

CHARLES A. COVEY, OF SAN ANTONIO, TEXAS, ASSIGNR OF ONE-HALF TO CLAUDE V. BIRKHEAD.

CLAMP.

Application filed June 23, 1927.

The invention relates to in'iploveiueuts in, clamps suoli those used by eabinetuiakers and .it aiins to provide a new aud improved olainp construction which.. while rather sirnple and iueKpn-insive. will be efficient, quiekly and easily adjustable, and generally desirable.

1lflilith the foregoing` in View, the invention resides .in the novel subject inatter hereinafter described and claimed, the description beine' supplemented by lthe accompanying drawing'.

'itin'. l a side elevation ot a clamp oonstriuaied in aeeordaliee with luy iuveutioli, the eani lever lleinp.:v shown iu released pesition.

Fig. 2 is au edge View.

Fig. 5l is a sectional view partly in elevation. the rain lever beine1 shown iu operative position in this View. I

'The drawing' above briei'iy described illus- 'es the preterred jiorin oi Construction and while this Construction will be herein spe- (,itieally eet forth, it is to be understood at the outset. that within the scope oi the i11veu tion as elaiined` variatioi'is may be i'nade.

.lhe numerals 4t and 5 denote two overlappedv bars havin;v Curved ends 6 provided with appropriate jaws 7 i'or engagement with the work. the inner ends of said bars boiupf oquiplled Vwith suitable guides 9 by uufans of wheb said bars are ulidably ooniuuj'tr-wl. lhese `guides are such that the bars I and b are oil'lset et M wise to soine extent and they may also i their tial' sides spared :Wart somewhat as shown.

ou abutment i) is adjustably oiigaged with ibo bar 5 1to1' inox/'ement to numerous posiu tieni-i alone; the length lhoroot. and in the i'iresent showing'. an edge oi this bar provided with Vratchet teeth l() to be engaged by a nose il et the abutment 9 for the purpose ot holding' the latter in adjusted position. A suitable spring' 12 is carried by abutment 9 and engages the edge of bar 5 remote troni the teeth l0. to engage the nose il with said teeth, holdingl the abutment against accidental sliding.

Serial. No. 200,991.

A. earn lever 13 is fulerluned at ift upon the bar si, near the inner end ot' the latter1 the eaux oi this lever being;l ooeoperablo with the abutment 9 to t'oieibly draw the bars Ll; and inwardly to elan'1] )inp; position after they have been moved into Contact with the work and said abutment has been` slid along` the bar 5 .into contact with said ealn. In this eoiuieotiou, attention invited to the fact that Fig'. 'l discloses the Cain lever in released position near the aliutnient i), wliereas in Fin. 3, said lever has been swung" to an operative jigiositiou at which it serves to tightly more the jaws 7 into clamping rela tion with the work, as well as holding said jaws: in operative position.

lft will be seen Ytrono the 'foregoing' that the elainp is rather simple and inexpensive, that it may be quiolily and easily adjusted, that it will produce an effective clamping aetion with ease ot operation, and that it will be ,generally desirable.

The details disclosed are preferably followed, but within the scope oit the invent-ion as claimed, variations may be made.

I clarion-- 1. A clamp comprising overlapped bars having' jaws at their outer eiulsa guides by ineaus oit which Said bars are slidalily Coin neotod. au abutnieut slidable along' one bar aud adaptmf to grip the latter at any ol a Juunber oiI pi'iiius1 aud a rain lover l'r'lloruined on the other bar to engage uuid alnitiuent lor the purpose oi drawinoj the two bars and their jaws inwardly into rlampiunj relrltiiul `with tho work'.

i2. i^\. elalnp (,fouipriailjlfi; two overlappod bars luiviiig jaws at their outer out a. guides by means oi" which said faire are siidabiy connected, au abutn'ieut slidable alongr ouo of said bars and adapted to grip the latter at any ot a plurality oit points, and means inovably mounted on the other bar to engage said abutment aud forcibly move the bars and their jaws inwardly into clamping relation with the work.

3. A clamp oomprising two overlapped bars havin g awsat their outer ends, guides fill (lil

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by mea-ns of which said jaws are slider-bly connected, a slide movable along one of said ybars and having a. nose, one edge of said one bar having teeth eo-operable with said nose to hold the slide in adjusted position, a spring carried by the slide and engaging the op osite edge of said one bar to yieldably ho d thenose engaged with. the aforesaid CHARLES A. COVEY.

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