US2466410A - Shears sharpening device - Google Patents

Description

' April 5, 1949.

o. H. GARRISON ET AL 2,466,410

SHEARS SHARPENING DEVICE Filed May '23, 1946 2 Sheets-Sheet 1 IN V EN TOR. 539 2'7, 6 ARR/.so/v A vp April 5, 1949. o. H. GARRISON EIAL SHEARS SHARPENING DEVICE 2 Sheets-Sheet 2 Filed May 23, 1946 INVENTOR.

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0% AND F- 305 i BATE Dra H. Garrison. and Frank.

e a 4. mllvansvillai lnd ten Mara r l sgol ins. (o1. lie-# 82122 v ."This' invention: relates"to scissorsror shears win'gfnuts 26, -clani he plat'es l Nil-against sharpeners; andiai rnsgto providean:adjustable thew-ings -'l3,;'|-4, respectively; he-outer-{s'id'es supportor frame ,to which the scissors blade may of -'the"--latter;f with -the' bolt-{22 passing through be clamped inthe-desiredposition and Wltl' l 'th8 the slots lfig l 'lfi 'Thiisfit is; apparent 'that 'the-b0lt cutting edge.. at the pr oper angle, so that-a file 22'maybe-raised er lowe at vciill WhiCh'llBStSllPOIl agroll ertwhich in turn is longiin-the=desired position tudinallyslidable' for-positioning along its fixed 11erer s1eeve-21f, pr ided with" ridflanges shaft and is provided with .end fianges, may be 28;-"- isfrotatablyasiweu as slid'ablyemeiinmd on worked overthe"cutting 'edge to sharpen the -'22"" longitudinal sl" same.

The above broad as well as additional and more .w m m 1 specific objects will become apparent in the foli9 -and*'-havingthe "a e slb't Z'O therethi eughilis lowing description, wherein characters of refmounted on thbutside fof the 'wall 1 2 by' passing ereneerefer to like-numbered parts in the 210- the 'screw bol'tfitthtouglfithe slots 20; zst'a'n'd the compan ying' drawingsw-It :is to-be noted-that 15 position -oi--the plate ne bviousl-y-.:bevaried the drawings areintended-toserve the purpose in the rhutually r" ht angle directions represented of illustration only,-and-that it'is- -neither desired iby the :slots 2U; -29,- th'e sbrew b'olt" norintendedtolimit-the -invention necessarily wing nut 32 thereon. to the exact details otconstructibiishown except- 4-- A' third plate-' 33, avin ing insofaras they maybe deerned essentialeto 3.4 'therethroughfiisi seu ed the invention.

he W3, 5 l2 31116.-tighteflirlg the c by passing a? screw bolt-3 =-Referring briefiy-to the drawings, an openingg3'lg Fig.- l isa front elevationalview of the device, wingnut36 on-tlie bblt 35fi A boss-39 isi rigid showing how a scissors blade may be clamped on the plate 33 substantially as shown, and acts in the front two clamp plates. as a spacer to hold the plate 33 in inclined posi- Fig. 2 is a plan view of the same. tion when locked against the wall l2. The upper Fig. 3 is an end elevational view of the device. edge of the .plate 33 is beveled, as shown at 40. Fig. 4 is a cross-sectional view taken on the The manner in which the device is used, is as line 4-4 of Fig. 1. follows. A blade of a pair of shears 4|, shown at Fig. 5 is a cross-sectional view taken on the 42, is clamped in the device between the upper line 5-5 of Fig. 1, showing th manner in which ends of the plates 30, 33 and the wall l2; it is to a file is used. be noted that the boss 39 tilts the plate 33 at Referring in detail to the drawings, the numeral an angle substantially equal to the angle between [0 indicates a frame or support comprising the the two sides or walls of the blade 42, thus invertical apron ll having the upper portion I2 suring a tight grip on the blade. The bolt 22 thereof of greater width and provided with the is then positioned at the proper horizontal level two end wings or walls l3 and l 4 bent at right so that a file shown in broken lines at 43 in Fig. 5, angles thereto. The apron II is provided with when resting on the roller 21 and sloping downa horizontal extension l5, and the device is ward toward the blade 43, will rest flush onthe adapted to be mounted on a bench or table by cutting edge 44 of the latter. Then, as the file is having the latter register between the wings worked back and forth across the edge 44, the I 3- and the extension or tongue [5, in an roller 21 is free to rotate as well as slide along obvious manner. the bolt 22, the file being all the time maintained The wings l3 and I4 are provided with aligned at the proper angle for sharpening the blade 42. slots l6 and II, respectively, extending partway 45 Thus a perfect filing and sharpening of the cutdown the walls, substantially as shown. Each of ting edge 44 is achieved, with the elimination of a pair of substantially identical plates 18 and chance or the need for skill on the part of the I9 is provided with a longitudinal slot 20 of subworker to maintain the file always at the proper stantially the same width as the slots Iii-11, angle, which would in fact be quite impossible in the lower portion thereof. Near the upper without using the device set forth in the ends of these plates openings 2| are provided, drawings. receptive of a bolt 22 having the head 23 on one Obviously, modifications in form and structure end and having the other end threaded and promay be made without departing from the spirit vided with a nut 24. Screw bolts 25 pass through and scope of the invention. the slots I6, 20 and I1, 20, and, with the aid of As an aid in pre-setting of the bolt 22 so that the file, when applied to the roller and the cutting edge of the blade may be at the proper angle, graduations 45 may be marked on the wing [3 or on the other wing, as well as on either or both sides of the wing. These graduations may be made to read in degrees or in any other suitable units.

We claim:

1. A device of the class described comprising a frame having a front wall and two spaced end side walls extending at substantially right angles from said front wall, said side walls having slots therethrough lying in a common plane, a bolt having the extremities passing through said slots, locking means for locking said bolt at any desired substantially horizontal position within said slots, said bolt having a roller rotatably and slidably mounted thereon, and means for looking a cutter blade against said front wall at a' level.

below the level of said bolt, said first-named looking means comprising plates having openings therethrough receptive of the ends of said bolt and having additional openings therethrough, screw bolts passing through said additional openings and said slots, and nuts on said screw bolts.

2. The device set forth in claim 1, said lastnamed means comprising a number of horizontally spaced plates each having an opening therethrough, said front wall having a like number of openings therethrough, a like number of screw bolts, each of said last-named screw bolts passing through one of said front wall openings and one of said last-named plate openings, nuts on said screw bolts, one of said plates having a rounded spacer projection on that side thereof 11 which faces said front wall, said projection being positioned below the said opening through said last-named plate.

3. A device of the class described comprising a frame having a front wall and two spaced end 11 side walls at substantially right angles to said front wall, said side walls having slots therethrough lying in a common vertical plane, a bolt having its extremities passing through said slots, locking means for locking said bolt at any desired substantially horizontal position within said slots, said bolt having a roller rotatably and slidably mounted thereon, means for looking a cutter blade against said front wall at a level below the level of said bolt, said first-named locking means comprising plates having openings therethrough receptive of the ends of said bolt and having additional openings therethrough, screw bolts passing through said additional openings, nuts on said screw bolts, said last-named locking means comprising a number of horizontally spaced plates each having an opening therethrough, said front wall having a like number of openings therethrough, a like number of screw bolts, each of said last-named screw bolts passing through one of said front wall openings and one of said last-named plate openings, nuts on said last-named screw bolts, one of said last-named plates having a rounded spacer projection on that side thereof which faces said front wall, said projection being positioned near the lower edge of said one of said plates.

The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 687,083 Tolman Nov. 19, 1901 849,180 Wilson Apr. 2, 1907 1,681,763 Eaton Aug. 21, 1928 1,684,866 Jarboe Sept. 18, 1928 1,806,234 Boyd May 19, 1931 1,863,433 Brooks June 14, 1932 2,061,842 Louden Nov. 24, 1936 2,265,577 Rains Dec. 9, 1941 2,397,256 Foster Mar. 26, 1946

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