Rewinding apparatus

Claim 2

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies having cutting means, means for adjusting the vertical position of said cutting means, vernier means for adjusting the lateral position of said cutting means, and means for reciprocating said cutting means in linear motion during operation.

Claim 3

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, a front eccentric hub pivot pin mounted on said bracket and a rear eccentric hub pivot pin mounted on said bracket, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, plate means mounted on said eccentric hubs, a razor blade mounted on said plate means, a vertical adjusting screw, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said rear eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said plate means, thereby lowering or raising said razor blade.

Claim 4

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, a front eccentric hub pivot pin mounted on said bracket and a rear eccentric hub pivot pin mounted on said bracket, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, plate means mounted on said eccentric hubs, a razor blade mounted on said plate means, a vertical adjusting screw, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said rear eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said plate means, thereby lowering or raising said razor blade.

Claim 5

Apparatus according to claim 2 further comprising a lateral adjusting screw mounted on said bracket to engage said plate means for laterally adjusting the position of said razor blade.

Claim 6

Apparatus according to claim 2 further comprising a fluid piston and cylinder assembly interposed between said slideway and said main frame to control pivotal movement of said slideway.

Claim 7

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, a front eccentric hub pivot pin mounted on said bracket and a rear eccentric hub pivot pin mounted on said bracket, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a razor blade, means mounting said razor blade between said plates, a lateral adjusting screw mounted on one side of said bracket to engage said left-hand plate, a slit strip width indicator block fixedly interconnecting said left-hand plate to said right-hand plate, spring means mounted on the other side of said bracket for urging said plates toward said lateral adjusting screw, said indicator block having indicator projections disposed directly adjacent said horizontal slideway for indicating the position of said razor blade with respect to said slideway, a vertical adjusting screw passing through said front spacer block, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said rear eccentric hub and having the other end Connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 8

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, a front eccentric hub pivot pin mounted on said bracket and a rear eccentric hub pivot pin mounted on said bracket, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a razor blade, means mounting said razor blade between said plates, a lateral adjusting screw mounted on one side of said bracket to engage said left-hand plate, a slit strip width indicator block fixedly interconnecting said left-hand plate to said right-hand plate, spring means mounted on the other side of said bracket for urging said plates toward said lateral adjusting screw, said indicator block having indicator projections disposed directly adjacent said horizontal slideway for indicating the position of said razor blade with respect to said slideway, a vertical adjusting screw passing through said front spacer block, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said rear eccentric hub and having the other end Connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 9

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, a front eccentric hub pivot pin mounted on said bracket and a rear eccentric hub pivot pin mounted on said bracket, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a razor blade, means mounting said razor blade between said plates, a vertically extending oscillating actuating plate pivotally mounted on said left-hand plate, means connecting said oscillating actuating plate to said means mounting said razor blade, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot, means for reciprocating said oscillating shaft, a vertical adjusting screw, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one ed connected to said rear eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 10

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, a front eccentric hub pivot pin mounted on said bracket and a rear eccentric hub pivot pin mounted on said bracket, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a razor blade, means mounting said razor blade between said plates, a vertically extending oscillating actuating plate pivotally mounted on said left-hand plate, means connecting said oscillating actuating plate to said means mounting said razor blade, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot, means for reciprocating said oscillating shaft, a vertical adjusting screw, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one ed connected to said rear eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 11

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, a front eccentric hub pivot pin mounted on said bracket and a rear eccentric hub pivot pin mounted on said bracket, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, plate means mounted on said eccentric hubs, a razor blade, means mounting said razor blade on said plate means, a vertically extending oscillating actuating plate pivotally mounted on said plate means, means connecting said oscillating actuating plate to said means mounting said razor blade, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot, means for reciprocating said oscillating shaft, a lateral adjusting screw mounted on one side of said bracket to engage said plate means for laterally adjusting the position of said razor blade.

Claim 12

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, a front eccentric hub pivot pin mounted on said bracket and a rear eccentric hub pivot pin mounted on said bracket, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, plate means mounted on said eccentric hubs, a razor blade, means mounting said razor blade on said plate means, a vertically extending oscillating actuating plate pivotally mounted on said plate means, means connecting said oscillating actuating plate to said means mounting said razor blade, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot, means for reciprocating said oscillating shaft, a lateral adjusting screw mounted on one side of said bracket to engage said plate means for laterally adjusting the position of said razor blade.

Claim 13

Apparatus according to claim 7 further comprising an indicator block mounted on said plate means and having indicator projections disposed directly adjacent said horizontal slideway for indicating the position of said razor blade with respect to said slideway.

Claim 14

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, plate means mounted on said bracket, a razor blade, means mounting said razor blade on said plate means, a vertically extending oscillating actuating plate pivotally mounted on said plate means, a retaining plate fixedly attached to said oscillating actuating plate, said meAns mounting said razor blade having a vertically extending slot, a locking pin engageable in said slot, a housing fixedly attached to said oscillating actuating plate, said locking pin having a knob at the outside end thereof for removing said pin from said slot, spring means mounted in said housing for urging said pin into said slot, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot and means for reciprocating said oscillating shaft.

Claim 15

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket, plate means mounted on said bracket, a razor blade, means mounting said razor blade on said plate means, a vertically extending oscillating actuating plate pivotally mounted on said plate means, a retaining plate fixedly attached to said oscillating actuating plate, said meAns mounting said razor blade having a vertically extending slot, a locking pin engageable in said slot, a housing fixedly attached to said oscillating actuating plate, said locking pin having a knob at the outside end thereof for removing said pin from said slot, spring means mounted in said housing for urging said pin into said slot, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot and means for reciprocating said oscillating shaft.

Claim 16

A slitting assembly comprising a bracket having upstanding side walls, a front eccentric hub pivot pin mounted on said side walls and a rear eccentric hub pivot pin mounted on said side walls, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a razor blade holder plate, a razor blade clamp plate, a razor blade mounted between said razor blade holder plate and said razor blade clamp plate, a razor oscillating guide plate fixedly attached to said razor blade holder plate, said left-hand plate having a recess for receiving said razor oscillating guide plate for reciprocating sliding movement, a spring fixedly attached to said right-hand plate and resiliently engageable with said razor blade holder plate to urge said razor blade holder plate towards said left-hand plate, a vertically extending oscillating actuating plate pivotally mounted on said left-hand plate, said razor blade holder plate having a vertically extending slot, a locking pin engageable in said slot, means mounting said locking pin on said oscillating actuating plate, means for oscillating said oscillating actuating plate, a lateral adjusting screw mounted on one of said upstanding side walls to engage said left-hand plate, a slit strip width indicator block fixedly interconnecting said left-hand plate to said right-hand plate, spring means mounted on the other of said upstanding walls for urging said plates toward said lateral adjusting screw, said indicator block having indicator projections disposed directly adjacent said horizontal slideway for indicating the position of said razor blade with respect to said slideway, a vertical adjusting screw, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said rear eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 17

A slitting assembly comprising a bracket having upstanding side walls, a front eccentric hub pivot pin mounted on said side walls and a rear eccentric hub pivot pin mounted on said side walls, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a razor blade holder plate, a razor blade clamp plate, a razor blade mounted between said razor blade holder plate and said razor blade clamp plate, a razor oscillating guide plate fixedly attached to said razor blade holder plate, said left-hand plate having a recess for receiving said razor oscillating guide plate for reciprocating sliding movement, a spring fixedly attached to said right-hand plate and resiliently engageable with said razor blade holder plate to urge said razor blade holder plate towards said left-hand plate, a vertically extending oscillating actuating plate pivotally mounted on said left-hand plate, said razor blade holder plate having a vertically extending slot, a locking pin engageable in said slot, means mounting said locking pin on said oscillating actuating plate, means for oscillating said oscillating actuating plate, a lateral adjusting screw mounted on one of said upstanding side walls to engage said left-hand plate, a slit strip width indicator block fixedly interconnecting said left-hand plate to said right-hand plate, spring means mounted on the other of said upstanding walls for urging said plates toward said lateral adjusting screw, said indicator block having indicator projections disposed directly adjacent said horizontal slideway for indicating the position of said razor blade with respect to said slideway, a vertical adjusting screw, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said rear eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 18

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket having upstanding side walls, a front eccentric hub pivot pin mounted on said side walls and a rear eccentric hub pivot pin mounted on said side walls, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a razor blade holder plate, a razor blade clamp plate, a razor blade mounted between said razor blade holder plate and said razor blade clamp plate, a razor oscillating guide plate fixedly attached to said razor blade holder plate, said left-hand plate having a recess for receiving said razor oscillating guide plate for reciprocating sliding movement, a spring fixedly attached to said right-haNd plate and resiliently engageable with said razor blade holder plate to urge said razor blade holder plate towards said left-hand plate, a vertically extending oscillating actuating plate pivotally mounted on said left-hand plate, said razor blade holder plate having a vertically extending slot, a locking pin engageable in said slot, a housing fixedly attached to said oscillating actuating plate, said locking pin having a knob at the outside end thereof for removing said pin from said slot, spring means mounted in said housing for urging said pin into said slot, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot, a collar fixedly attached to said oscillating shaft, an electric motor, linkage means interconnecting said collar to said electric motor for reciprocating said oscillating shaft, a lateral adjusting screw mounted on one of said upstanding side walls to engage said left-hand plate, a slit strip width indicator block fixedly interconnecting said left-hand plate to said right-hand plate, spring means mounted on the other of said upstanding walls for urging said plates toward said lateral adjusting screw, said indicator block having indicator projections disposed directly adjacent said horizontal slideway for indicating the position of said razor blade with respect to said slideway, a vertical adjusting screw passing through said front spacer block, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said front eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 19

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted on said main frame, a backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, each of said slitting assemblies including a bracket having upstanding side walls, a front eccentric hub pivot pin mounted on said side walls and a rear eccentric hub pivot pin mounted on said side walls, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a razor blade holder plate, a razor blade clamp plate, a razor blade mounted between said razor blade holder plate and said razor blade clamp plate, a razor oscillating guide plate fixedly attached to said razor blade holder plate, said left-hand plate having a recess for receiving said razor oscillating guide plate for reciprocating sliding movement, a spring fixedly attached to said right-haNd plate and resiliently engageable with said razor blade holder plate to urge said razor blade holder plate towards said left-hand plate, a vertically extending oscillating actuating plate pivotally mounted on said left-hand plate, said razor blade holder plate having a vertically extending slot, a locking pin engageable in said slot, a housing fixedly attached to said oscillating actuating plate, said locking pin having a knob at the outside end thereof for removing said pin from said slot, spring means mounted in said housing for urging said pin into said slot, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot, a collar fixedly attached to said oscillating shaft, an electric motor, linkage means interconnecting said collar to said electric motor for reciprocating said oscillating shaft, a lateral adjusting screw mounted on one of said upstanding side walls to engage said left-hand plate, a slit strip width indicator block fixedly interconnecting said left-hand plate to said right-hand plate, spring means mounted on the other of said upstanding walls for urging said plates toward said lateral adjusting screw, said indicator block having indicator projections disposed directly adjacent said horizontal slideway for indicating the position of said razor blade with respect to said slideway, a vertical adjusting screw passing through said front spacer block, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said front eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 20

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted for pivotal movement, a driven backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, a fluid piston and cylinder assembly interposed between said slideway and said frame to control the pivotal movement of said slideway, each of said slitting assemblies including a bracket having upstanding side walls, a front eccentric hub pivot pin mounted on said side walls and a rear eccentric hub pivot pin mounted on said side walls, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a front spacer block interposed between said right-hand and left-hand plates and a rear spacer block interposed between said right-hand and left-hand plates, a razor blade holder plate, a razor blade clamp plate, a razor blade mounted between said razor blade holder plate and said razor blade clamp plate, a razor oscillating guide plate fixedly attached to said razor blade holder plate, said left-hand plate having a recess for receiving said razor oscillating guide plate for reciprocating sliding movement, a spring fixedly attached to said right-hand plate and resiliently engageable with said razor blade holder plate to urge said razor blade holder plate towards said left-hand plate, a vertically extending oscillating actuating plate pivotally mounted on said left-hand plate, a retaining plate fixedly attached to said oscillating actuating plate, said razor blade holder plate having a vertically extending slot, a locking pin engageable in said slot, a housing fixedly attached to said oscillating actuating plate, said locking pin having a knob at the outside end thereof for removing said pin from said slot, spring means mounted in said housing for urging said pin into sAid slot, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot, a collar fixedly attached to said oscillating shaft, an electric motor, linkage means interconnecting said collar to said electric motor for reciprocating said oscillating shaft, a lateral adjusting screw mounted on one of said upstanding side walls to engage said left-hand plate, a slit strip width indicator block fixedly interconnecting said left-hand plate to said right-hand plate, spring means mounted on the other of said upstanding walls for urging said plates toward said lateral adjusting screw, said indicator block having indicator projections disposed directly adjacent said horizontal slideway for indicating the position of said razor blade with respect to said slideway, a vertical adjusting screw passing through said front spacer block, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said rear eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 21

In a rewind machine having a main frame, a web supply roll, rewind roll means, a horizontal slideway mounted for pivotal movement, a driven backup roll, the combination comprising a plurality of slitting assemblies being adjustably mounted on said slideway adjacent said backup roll, a fluid piston and cylinder assembly interposed between said slideway and said frame to control the pivotal movement of said slideway, each of said slitting assemblies including a bracket having upstanding side walls, a front eccentric hub pivot pin mounted on said side walls and a rear eccentric hub pivot pin mounted on said side walls, a front eccentric hub eccentrically mounted on said front eccentric hub pivot pin and a rear eccentric hub eccentrically mounted on said rear eccentric hub pivot pin, a right-hand plate mounted on said eccentric hubs and a spaced left-hand plate mounted on said eccentric hubs, a front spacer block interposed between said right-hand and left-hand plates and a rear spacer block interposed between said right-hand and left-hand plates, a razor blade holder plate, a razor blade clamp plate, a razor blade mounted between said razor blade holder plate and said razor blade clamp plate, a razor oscillating guide plate fixedly attached to said razor blade holder plate, said left-hand plate having a recess for receiving said razor oscillating guide plate for reciprocating sliding movement, a spring fixedly attached to said right-hand plate and resiliently engageable with said razor blade holder plate to urge said razor blade holder plate towards said left-hand plate, a vertically extending oscillating actuating plate pivotally mounted on said left-hand plate, a retaining plate fixedly attached to said oscillating actuating plate, said razor blade holder plate having a vertically extending slot, a locking pin engageable in said slot, a housing fixedly attached to said oscillating actuating plate, said locking pin having a knob at the outside end thereof for removing said pin from said slot, spring means mounted in said housing for urging said pin into sAid slot, a transversely extending oscillating shaft having a longitudinally extending slot, the bottom of said oscillating actuating plate having a knob fitable in said longitudinal extending slot, a collar fixedly attached to said oscillating shaft, an electric motor, linkage means interconnecting said collar to said electric motor for reciprocating said oscillating shaft, a lateral adjusting screw mounted on one of said upstanding side walls to engage said left-hand plate, a slit strip width indicator block fixedly interconnecting said left-hand plate to said right-hand plate, spring means mounted on the other of said upstanding walls for urging said plates toward said lateral adjusting screw, said indicator block having indicator projections disposed directly adjacent said horizontal slideway for indicating the position of said razor blade with respect to said slideway, a vertical adjusting screw passing through said front spacer block, a vertical adjusting screw link bar having one end connected to said vertical adjusting screw and the other end pivotally connected to said rear eccentric hub, a hub link plate having one end connected to said rear eccentric hub and having the other end connected to said front eccentric hub, movement of said vertical adjusting screw lowers or raises said right-hand and left-hand plates, thereby lowering or raising said razor blade.

Claim 22

Apparatus according to claim 7 wherein said means mounting said razor blade is constrained to move in linear reciprocating motion during operation of sad rewind machine.

Claim 23

Apparatus according to claim 9 wherein said means mounting said razor blade is constrained to move in linear reciprocating motion during operation of said rewind machine.