Apparatus for cutting pattern in gun stock or other work piece

Claim 2

Apparatus comprising: a cutter structure having cutting edges arranged in a predetermined pattern which is to be essentially reprodUced on a work piece; means for producing relative vibratory movement between said cutter structure and said work piece, while the cutter structure is positioned for contact with the work piece, and in a relation progressively cutting said pattern on the work piece; and means for shifting the work piece in a lateral direction during said relative vibratory movement and in addition thereto.

Claim 3

Apparatus as recited in claim 1, in which said work piece shifting means are operable to oscillate the work piece during said relative vibratory movement.

Claim 4

Apparatus as recited in claim 1, in which said vibrating means are constructed to vibrate the cutter structure essentially toward and away from the work piece; said work piece shifting means including a holder for said work piece, and powered mechanism for oscillating said holder and the carried work piece orbitally as the cutter structure vibrates and generally transversely of the direction of said vibratory movement.

Claim 5

Apparatus as recited in claim 1, in which said vibrating means include a wheel having actuating elements acting upon rotation of the wheel to vibrate said cutter structure; said work piece shifting means including a holder for said work piece, and oscillating means for moving said holder and the carried work piece orbitally during said vibratory movement of the cutter structure and in a direction generally transversely of the direction of the vibratory movement; there being advancing means for progressively moving the cutter structure toward the work piece during the vibratory movement; and motor means for simultaneously driving said wheel, and said oscillating means and said advancing means.

Claim 6

Apparatus comprising: a cutter structure having cutting edges arranged in a predetermined pattern which is to be essentially reproduced on a work piece; means for producing relative vibratory movement between said cutter structure and said work piece, while the cutter structure is positioned for contact with the work piece, and in a relation progressively cutting said pattern on the work piece; a guideway structure mounting and positively guiding said cutter structure for sliding movement along only a predetermined path toward and away from the work piece; and means for progressively advancing the cutter structure toward the work piece during said vibratory movement.

Claim 7

Apparatus comprising: a cutter structure having cutting edges arranged in a predetermined pattern which is to be essentially reproduced on a work piece; means for producing relative vibratory movement between said cutter structure and said work piece, while the cutter structure is positioned for contact with the work piece, and in a relation progressively cutting said pattern on the work piece; a guideway structure mounting and positively guiding said cutter structure for sliding movement along only a predetermined path toward and away from the work piece; and means for progressively advancing the cutter structure toward the work piece during said vibratory movement.

Claim 8

Apparatus as recited in claim 5, including means for relatively oscillating said cutter structure and said work piece during said vibratory movement and in addition thereto.

Claim 9

Apparatus comprising: a cutter structure having cutting edges arranged in a predetermined pattern which is to be essentially reproduced on a work piece; means for producing relative vibratory movement between said cutter structure and said work piece, while the cutter structure is positioned for contact with the work piece, and in a relation progressively cutting said pattern on the work piece; said means including a wheel power driven rotatably about an axis, and at least one actuating element carried by the wheel for rotation therewith and free for limited motion relative thereto and acting upon rotation of the wheel to repeatedly strike a coacting surface in a manner producing said vibratory movement.

Claim 10

Apparatus comprising: a cutter structure having cutting edges arranged in a predetermined pattern which is to be essentially reproduced on a work piece; means for producing relative vibratory movement between said cutter structure and said work piece, while the cutter structure is positioned for contact with the work piece, and in a relation progressively cutting said pattern on the work piece; said means including a wheel power driven rotatably about an axis, and at least one actuating element carried by the wheel for rotation therewith and free for limited motion relative thereto and acting upon rotation of the wheel to repeatedly strike a coacting surface in a manner producing said vibratory movement.

Claim 11

Apparatus as recited in claim 7, in which said actuating element is mounted pivotally to the wheel for rotation therewith and for swinging movement radially outwardly and inwardly relative to said axis, there being a surface positioned to be struck repeatedly by said actuating element as the wheel turns in a relation producing vibratory movement of the cutter structure toward and away from the work piece.

Claim 12

Apparatus comprising: a cutter structure having cutting edges arranged in a predetermined pattern which is to be essentially reproduced on a work piece; means for producing relative vibratory movement between said cutter structure and said work piece, while the cutter structure is positioned for contact wiTh the work piece, and in a relation progressively cutting said pattern on the work piece; said means including a lever mounted to swing essentially about a predetermined fulcrum and having a portion offset from said fulcrum which acts upon said swinging movement of the lever to progressively advance the cutter structure toward the work piece, and a vibrating element acting against the lever at approximately the location of said fulcrum and acting to vibrate the lever and through it to vibrate the cutter structure.

Claim 13

Apparatus comprising: a cutter structure having cutting edges arranged in a predetermined pattern which is to be essentially reproduced on a work piece; means for producing relative vibratory movement between said cutter structure and said work piece, while the cutter structure is positioned for contact wiTh the work piece, and in a relation progressively cutting said pattern on the work piece; said means including a lever mounted to swing essentially about a predetermined fulcrum and having a portion offset from said fulcrum which acts upon said swinging movement of the lever to progressively advance the cutter structure toward the work piece, and a vibrating element acting against the lever at approximately the location of said fulcrum and acting to vibrate the lever and through it to vibrate the cutter structure.

Claim 14

Apparatus as recited in claim 9, in which said vibrating element is a wheel mounted to turn about an axis and having at least one irregularity serving to vibrate the lever upon rotation of the wheel.

Claim 15

Apparatus as recited in claim 10, including powered means for simultaneously rotating said wheel to vibrate the cutter structure and swinging said lever to advance the cutter structure toward the work piece.

Claim 16

Apparatus as recited in claim 9, including a guideway structure mounting said cutter for sliding movement toward and away from the work piece and mounting the cutter structure at a location for advancement and vibration by said portion of the lever.

Claim 17

Apparatus as recited in claim 9, including a screw and nut actuating mechanism acting against said lever at a location offset from said fulcrum and serving to swing the lever about said fulcrum upon relative rotation of the screw and nut, and means for relatively rotating said screw and nut to swing the lever and advance said cutter structure toward the work piece during vibration of the lever and cutter structure by said vibrating element.

Claim 18

Apparatus as recited in claim 9, in which there are two of said cutter structures for engaging and forming a pattern on opposite sides of the work piece, and having two of said levers and two of said vibrating elements at essentially the locations of the fulcrums of the two levers, there being powered means for simultaneously swinging the two levers about their respective fulcrums in opposite directions to move the two cutter structures simultaneously toward one another and toward opposite sides of the work piece.

Claim 19

Apparatus as recited in claim 14, in which said vibrating elements are two wheels power driven rotatably about two axes and having pivotally carried elements which successively engage and vibrate the levers, there being guideways mounting the cutter structures for movement toward and away from the work piece by first ends of said levers, and two screw and nut mechanisms power driven in timed relation and acting upon relative rotation of their screws and nuts to progressively swing the levers in the direction to move the cutter structures toward the work piece.

Claim 20

Apparatus as recited in claim 15, including a holder for holding the work piece, and powered means for oscillating said holder and work piece orbitally during the vibration and advancement of the cutter structures and in a plane disposed essentially transversely of the direction of vibration of the cutter structures.

Claim 21

Apparatus comprising: a cutter structure having cutting edges arranged in a predetermined pattern which is to be essentially reproduced on a work piece; means for producing relative vibratory movement between said cutter sturcture and said work piece, while the cutter structure is positioned for contact with the work piece, and in a relation progressively cutting said pattern on the work piece; powered means for advancing said vibrating cutter structure progessively toward the work piece and then in a reverse direction away from the work piece; and automatic control means responsive to advancement of the cutter structure in a direction toward the work piece to a predetermined position to halt such advancement and automatically commence said powered reverse movement of the cutter structure away from the work piece.

Claim 22

Apparatus comprising: a cutter structure having cutting edges arranged in a predetermined pattern which is to be essentially reproduced on a work piece; means for producing relative vibratory movement between said cutter sturcture and said work piece, while the cutter structure is positioned for contact with the work piece, and in a relation progressively cutting said pattern on the work piece; powered means for advancing said vibrating cutter structure progessively toward the work piece and then in a reverse direction away from the work piece; and automatic control means responsive to advancement of the cutter structure in a direction toward the work piece to a predetermined position to halt such advancement and automatically commence said powered reverse movement of the cutter structure away from the work piece.

Claim 23

Apparatus as recited in claim 17, in which said powered means include reversible clutch means for driving said cutter structure in opposite directions, and said automatic control means include means responsive to arrival of said cutter structure at said predetermined position to reverse the clutch means for withdrawing the cutter structure from the work piece.

Claim 24

Apparatus as recited in claim 17, in which said powered means include a screw element and a mating nut element one of which is power driven rotatably and acts upon such rotation to shift the other element axially, a connection for advancing and retracting said cutter structure in response to movement of said other element in its opposite directions, and a clutch for reversing the direction of drive of said one element, said automatic control means including means responsive to axial displacement of said other element to a predetermined advanced cutter setting to automatically shift the clutch from a cutter advancing condition to a reversed cutter retracting condition.

Claim 25

Apparatus as recited in claim 19, in which there are two of said cutter structures and two of said screw and nut mechanisms driven in unison by said clutch for actuating the two cutter structures.

Claim 26

Apparatus as recited in claim 20, including two levers actuable at first ends by said screw and nut mechanisms and acting at second ends to advance said cutter structures upon swinging movement of the levers about predetermined intermediate fulcrums, said means for producing vibratory movement including two power driven wheels having irregularities acting upon rotation of the wheels to repeatedly strike said levers at essentially said fulcrums and to thereby vibrate the levers and the cutter structures toward and away from the work piece.