Shearing apparatus

Claim 2

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement into and out of engagement with said stationary support member for clamping the material to be sheared therebetween, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, and means mounting said transversely movable shear assembly for such transverse movement, said stationary support member comprising a base member having a vertically extending channel member which supports said vertically movable shear assembly above the material to be sheared, and a horizontally extending channel member which supports said transversely movable shear assembly below the material to be sheared

Claim 3

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement into and out of engagement with said stationary support member for clamping the material to be sheared therebetween, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, and means mounting said transversely movable shear assembly for such transverse movement, said vertically movable shear assembly comprising a frame member having a rectangular shear blade attached to the bottom thereof, and said stationary support member having a backup bar secured to the upper surface thereof in substantial vertical alignment with said rectangular shear blade.

Claim 4

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement into and out of engagement with said stationary support member for clamping the material to be sheared therebetween, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, and means mounting said transversely movable shear assembly for such transverse movement, said vertically movable shear assembly comprising a frame member having a rectangular shear blade attached to the bottom thereof, and said stationary support member having a backup bar secured to the upper surface thereof in substantial vertical alignment with said rectangular shear blade.

Claim 5

The shearing apparatus of claim 2 wherein said rectangular shear blade has holes therein for receipt of mounting bolts, and the ends of said holes are countersunk for receipt of the heads of said mounting bolts in either end of said holes to permit said rectangular shear blade to be turned over.

Claim 6

The shearing apparatus of claim 2 further comprising mounting bolts for securing said rectangular shear blade to said frame member, said frame member having enlarged openings for said mounting bolts to permit lateral adjustment of said rectangular shear blade relative to said transversely movable shear assembly upon loosening said mounting bolts, and adjusting screws carried by said frame member and engageable with the back side of said rectangular shear blade to facilitate such adjustment thereof.

Claim 7

The shearing apparatus of claim 2 further comprising electromagnets carried by one of said frame member and stationary support member which when energized resist bowing of said rectangular shear blade due to the high separation forces which are developed during the shearing operation.

Claim 8

The shearing apparatus of claim 2 wherein said means mounting said vertically movable shear assembly for vertical movement comprises a pair of jacks carried by said vertically movable shear assembly, said jacks having rods attached to said stationary support member, whereby actuation of said jacks causes said jacks And vertically movable shear assembly to be raised and lowered relative to said stationary support member.

Claim 9

The shearing apparatus of claim 2 wherein said transversely movable shear assembly comprises a carriage mounted for transverse movement, and a circular shear blade mounted on said carriage for movement therewith.

Claim 10

The shearing apparatus of claim 2 further comprising a guide bar on said stationary support member extending transversely of the material to be sheared, said carriage having a slot along the bottom thereof which slidably engages said guide bar during transverse movement of the carriage along said guide bar, and retainer plates attached to the bottom edges of said carriages which overlap the bottom edges of said guide bar for retaining said carriage against removal from said guide bar.

Claim 11

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly, means mounting said vertically movable shear assembly for movement into and out of engagement with said stationary support member for clamping the material to be sheared therebetween, a transversely movable shear assembly including a circular shear blade which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, and means mounting said transversely movable shear assembly for such transverse movement, said carriage including a pivotal support for said circular shear blade to permit adjustment of the relative vertical position of said circular shear blade with respect to said vertically movable shear assembly.

Claim 12

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly, means mounting said vertically movable shear assembly for movement into and out of engagement with said stationary support member for clamping the material to be sheared therebetween, a transversely movable shear assembly including a circular shear blade which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, and means mounting said transversely movable shear assembly for such transverse movement, said carriage including a pivotal support for said circular shear blade to permit adjustment of the relative vertical position of said circular shear blade with respect to said vertically movable shear assembly.

Claim 13

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said transversely movable shear assembly comprising a carriage mounted for transverse movement, a circular shear blade mounted on said carriage for movement therewith, an arbor shaft for said circular shear blade, bearing mounts on said carriage for said arbor shaft, and means mounting said arbor shaft for axial movement on said carriage to permit adjustment of the lateral clearance between said circular shear blade and vertically movable shear assembly, said means mounting said arbor shaft for axial movement comprising spaced apart threaded portions on said arbor shaft adjacent opposite sides of said bearing mounts, and lock nuts threadedly engaging said threaded portions, whereby loosening of one of said lock nuts and tightening of the other will cause axial adjustment of said arbor shaft.

Claim 14

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said transversely movable shear assembly comprising a carriage mounted for transverse movement, a circular shear blade mounted on said carriage for movement therewith, an arbor shaft for said circular shear blade, bearing mounts on said carriage for said arbor shaft, and means mounting said arbor shaft for axial movement on said carriage to permit adjustment of the lateral clearance between said circular shear blade and vertically movable shear assembly, said means mounting said arbor shaft for axial movement comprising spaced apart threaded portions on said arbor shaft adjacent opposite sides of said bearing mounts, and lock nuts threadedly engaging said threaded portions, whereby loosening of one of said lock nuts and tightening of the other will cause axial adjustment of said arbor shaft.

Claim 15

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said transversely movable shear assembly comprising a carriage mounted for transverse movement, a circular shear blade mounted on said carriage for movement therewith, a shaft journaled on said carriage for supporting said circular shear blade adjacent one end thereof, a roll on said one end of said shaft outwardly of said circular shear blade, and a track on said stationary support member extending transversely of the material to be sheared for engagement by said roll to take the load off said shaft during shearing.

Claim 16

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said transversely movable shear assembly comprising a carriage mounted for transverse movement, a circular shear blade mounted on said carriage for movement therewith, a shaft journaled on said carriage for supporting said circular shear blade adjacent one end thereof, a roll on said one end of said shaft outwardly of said circular shear blade, and a track on said stationary support member extending transversely of the material to be sheared for engagement by said roll to take the load off said shaft during shearing.

Claim 17

SheAring apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said transversely movable shear assembly comprising a carriage mounted for transverse movement, a circular shear blade mounted on said carriage for movement therewith, and shear blade mounted on said carriage for movement therewith, and means for adjusting the lateral clearance between said circular shear blade and vertically movable shear assembly for shearing material of different thicknesses, said last-mentioned means comprising a sleeve keyed for axial sliding movement in a bore in said carriage toward and away from said vertically movable shear assembly, said circular shear blade being mounted within said sleeve for movement therewith, and means for biasing said sleeve toward said vertically movable shear assembly, the amount of lateral clearance between said circular shear blade and vertically movable shear assembly depending upon the magnitude of separation forces developed during shearing urging said circular shear blade away from said vertically movable shear assembly in opposition to the biasing means.

Claim 18

SheAring apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said transversely movable shear assembly comprising a carriage mounted for transverse movement, a circular shear blade mounted on said carriage for movement therewith, and shear blade mounted on said carriage for movement therewith, and means for adjusting the lateral clearance between said circular shear blade and vertically movable shear assembly for shearing material of different thicknesses, said last-mentioned means comprising a sleeve keyed for axial sliding movement in a bore in said carriage toward and away from said vertically movable shear assembly, said circular shear blade being mounted within said sleeve for movement therewith, and means for biasing said sleeve toward said vertically movable shear assembly, the amount of lateral clearance between said circular shear blade and vertically movable shear assembly depending upon the magnitude of separation forces developed during shearing urging said circular shear blade away from said vertically movable shear assembly in opposition to the biasing means.

Claim 19

The shearing apparatus of claim 12 wherein said biasing means comprises a compression member, and means are provided for adjusting the amount of force applied against said sleeve by said compression member.

Claim 20

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said transversely movable shear assembly comprising a carriage mounted for transverse movement, a circular shear blade mounted on said carriage for movement therewith, and means for adjusting the lateral clearance between said circular shear blade and vertically movable shear assembly for shearing material of different thicknesses, said circular shear blade normally vertically overlapping said vertically movable shear assembly when at strip pass height, and wedge means at opposite ends of said carriage run for engagement with the carriage to prevent said circular shear blade from being urged beneath said vertically movable shear assembly when raised above strip pass height.

Claim 21

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said transversely movable shear assembly comprising a carriage mounted for transverse movement, a circular shear blade mounted on said carriage for movement therewith, and means for adjusting the lateral clearance between said circular shear blade and vertically movable shear assembly for shearing material of different thicknesses, said circular shear blade normally vertically overlapping said vertically movable shear assembly when at strip pass height, and wedge means at opposite ends of said carriage run for engagement with the carriage to prevent said circular shear blade from being urged beneath said vertically movable shear assembly when raised above strip pass height.

Claim 22

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said vertically movable shear assembly comprising a frame member having a rectangular shear blade attached to the bottom thereof, mounting bolts for securing said rectangular shear blade to said frame member, said frame member having enlarged openings for said mounting bolts to permit lateral adjustment of said rectangular shear blade relative to said transversely movable shear assembly upon loosening said mounting bolts, and adjusting screws carried by said frame member and engageable with the back side of said rectangular shear blade to facilitate such adjustment thereof.

Claim 23

Shearing apparatus comprising a stationary support member, a vertically movable shear assembly, means mounting said vertically movable shear assembly for movement toward and away from said stationary support member, a transversely movable shear assembly which cooperates with said vertically movable shear assembly to shear the material during traversal of the material by said transversely movable shear assembly, means mounting said transversely movable shear assembly for such transverse movement, said vertically movable shear assembly comprising a frame member having a rectangular shear blade attached to the bottom thereof, mounting bolts for securing said rectangular shear blade to said frame member, said frame member having enlarged openings for said mounting bolts to permit lateral adjustment of said rectangular shear blade relative to said transversely movable shear assembly upon loosening said mounting bolts, and adjusting screws carried by said frame member and engageable with the back side of said rectangular shear blade to facilitate such adjustment thereof.

Claim 24

The shearing apparatus of claim 15 wherein said rectangular shear blade has holes therein for receipt of said mounting bolts, and the ends of said holes are countersunk for receipt of the heads of said mounting bolts in either end of said holes to permit said rectangular shear blade to be turned over.