Патент USA US2403775код для вставки
July 9, 1946. w‘ a WILSON GRINDER ~ 2,403,775 ' 'Filevd Deg. 20,‘ 1944 Inventor wsu-‘Rw aw. Lsow Patented July 9, 1946 r 2,403,775 _ . _. . , V " » panama-5 ‘ ' ~ GRINDER . _ - Wllfrid'G. Wils’on,~'Fort William, Ontario, Canada _ Application December 20, 1944, Serial No. 569,048 , ' j " 40mins. (c1. 51-100) 1 . “ This invention relates to certain novel and use ful improvements characterizing what is believed to_' be ahighly;v useful and practicable grinder which is especially; but notnecessarily, adapted venientlyreferred to as a post 9.v 1 A collar I0 is mounted on the post, and provided with binding . lugs vI l rendered eil’ective by clamping means l2. I The numeral 13 designates a motor, that is an for use‘in the making of templates and dieswhich 5 electric motor,- of any suitable style and type, vary in thickness. " " ‘ v a ' on the outer end of the horizontal swinging-arm More speci?cally, the grinder with "which we IL. "I‘he'motor is, provided’ with a concentric grinding tool [5 andon diametrically opposite long and costly hand'flling, ‘this ‘due to thefact sides with claw-like handles I 6, these to permit that‘the present machine, because of- its par v10 proper handling and maneuveringof thetool IS. are herein concerned is designed .to eliminate ticular design and‘functionalfachievements makes , The arm I6 is connected to a hinging and adjust it possible to do better what was heretofore done tediously and slowly bylway of the customary ing ring I1 which in turn is connected by arule 'joint I 8 to the arm‘ l4. Thus, the desired swing hand ?ling technique. ' _ v ' ing, adjusting andlhinging action for the motor r‘ , ‘Brie?y, 'the ‘preferred embodiment of the in ized tool is provide . vention comprises a base .plate adapted to re ceive' the work, a’ perpendicular post'rising'there? from, a motoreequipped arm and adapter bracket means for properly‘mounting same ‘on the post, .. , _ _ V . [Referring further to the swingable arm and tool assembly, it will‘be noted that this is ?at on to'pjto' accommodate a. channel-‘shaped clip is which serves to accommodate a. shiftable block and‘an‘adjustable arm also von'the post above .20 20_._held in place by a set-screw 2| and carryinga the grinder, this having appliances to accommo feeler wheel 22 sometimes also referred, to in the date the pattern to “be followed in grinding oper ations. , , ‘ art as a tracer. ' " ' ' I next call attention to the horizontal arm 23 Novelty is thought to reside in a collar which having a collar 24 at its inner end with clamping is adjustable on the post, the inner adjacent por 25 lugs 25 and clamping means 26 whereby to per tion of the grinder arm coacting therewith, the mit the arm to be adjusted up and down and in arm itself being swung back and forth like a a horizontal plane to properly locate the adapter human arm and being provided with ‘a motorized ’ means on the outer end thereof. The adapter grinding tool'and suitable maneuvering and ma means comprises a slide 21 held in place by a nipulating handles. ‘ 30 set screw 28,, said slide having a depending por Novelty is' also predicated upon the adoption . and use of a feeler or tracer element carried by the swingable am, this being arranged to co operate with special adapter means which clamps and holds in place the pattern or so-called lay out template. tion with a horizontal slotted frame 29. This frame serves to accommodate the pattern or lay out template (not shown), that is the part which 7' is to be traced by the feeler'wheel 22. Retaining elements 30 held in place by wing nuts 3| I em ploy to securely mount the pattern. Other features and advantages will become ’ As before stated, the machine is designed to more readily apparent from the following de eliminate long and costly hand ?ling. The tem scription and the accompanying illustrative plate used is a lay-out template; of 3*,” sheet drawing. 40 metal. The'grinder is used for making templates In the drawing, wherein like numerals are em and dies which vary in thickness. This lay-out ployed to designate like parts throughout the template has always been made for jobs by hand. views, the single ?gure is a perspective view of ’ The use of the novel machine for accomplishing a. grinder constructed in accordance with th the results is a step forward in the art. principles of the present invention. j The work, which is to be ground, is ?rst sawed Referring now to the drawing by distinguishing on a “Do-all" saw to within 31;" of ?nished lines and is then ?nished on my improved grinder. reference numerals, it will be seen that the. base, ' which is of appropriate con?guration, is denoted The work is fastened in the slots and the grinder by the numerali. This is provided with suitable arm is lowered so that the tool can operate prop supporting legs, marginally arranged, is approxi 50 erly. The grinder tool arm is held in place by mately 14"x20" in length and is provided with a, ?at area 6 which supports the work (not the stop collar I0 and correct shape is given to the work on the base by a lay-out template held shown). ‘This region 16 is provided with spaced in place by the wing nuts 3|, the different con longitudinal slots l. Attached to and rising from tours being followed by the feeler wheel or tracer. the socket 8 is an upright which may be con 65 The grinder arm and tool is swung similar to a 2,403,775 3 4 Grinder wheels can be 3. A grinder of the class described comprising changed for different thickness of material. The machine is very simple design and would not be very costly to make. Moreover its use will result in greatly speeding up work done on dies and a base, a post attached to and rising vertically from said base, a stop collar adjustable on said post, an arm provided with a ring at its inner end surrounding the post and cooperable with templates. the stop collar, a motor on the outer end of said man’s arm in action. , A careful consideration of the foregoing de scription in conjunction with the invention as arm, a tool carried by said motor, said arm being attached to said ring by way of a rule joint, han illustrated in the drawing will enable the reader dles mounted‘ on diametrically opposite sides of to obtain a clear understanding and impression 10 said motor», afeeler wheel slidably and adjustably mounted on said motor, a second arm adjustably of the alleged features of merit and novelty suffi mounted on said post above the ?rst-named arm, cient to clarify the construction of the inventionvv said second arm being provided on its outer and Minor changes in shape, size, materials and‘: ; with adapter means, said adapter means being as hereinafter claimed. rearrangements of parts may be resorted, to in» actual practice so long as no departure is ‘made from the invention as claimed. I claim: . , 1. A grinder of the class described comprising a base, a post attached to and rising vertically from 'said base, a stop collar adjustable on said post, an arm provided with a ring surrounding the post and coop'erable with the stop collar, a motor on the outer end of the arm, and a tool carried by said motor, the arm being attached to said ring by way of a rule joint, ‘said motor being provided with diametrically opposite claw like handles’ and being provided on its top with a clip, a block 'slidable in said clip, and a feeler wheel mounted- on said block. ‘ ' a 2‘. A grinder of the class described comprising a base, a'pos't attached to andllrisingvertically from said base, a stop collar adjustable on said post, an arm provided with a’ ring‘ at its inner constructed to accommodate a pattern to be traced, 'sai'd adapter‘means including a bracket and 7said bracket ‘being slotted and provided with Wing nut equipped clamping elements for a lay out template. 4. A grinder of the class described comprising 'a'b'ase, said base embodying an upstanding plate having a marginal depending ?ange, said plate being provided'lwith a plurality oi parallel spaced slots, a vertical post attached to ‘and rising from said base, a‘ horizontal a'rm adjacentfthe upper end of said post swingably and adjustably mount ed on said- post, said arm ‘being provided at its outer end with ari'adju'St'ame bracket and‘ Said bracket, being slotted and provided with wing nut 30 ‘equipped clamping elements ‘for a lay-out tem plate, a stop collar adjustable on ‘said post, a second arm provided with a ring surrounding the post and cooperablé with ther stop (501181‘, a motor on the outer end of the arm, a tool carried by end surrounding the post and cooper'able with 35 said motor, said latter arm being‘ attached to said ring by wayor a rule joint, s‘aid motor being pro the stop collar, a motor on the outer end of said Vided with diametrically‘ opposite handles, and a arm, a tool carried by said motor, said arm being feél'er wheel‘ mounted on the tibia of the motor attached ‘to said ring by way of a rule joint, han beneath said slotted oraekét arid above Said han dles mounted on diametrically opposite sides of said motor, and a feeler wheel slidably and ad; ‘ WILFREDG. WILSON. justably mounted on said motor. dle's. ' v a ' ' '