Iron and metal working machinery

Claim 2

An iron and metal working machine comprising in combination a supporting framework, a main beam pivoted between the ends thereof to said supporting framework thereby defining a relatively short punch press side and a relative long accessory operating side, a pair of hydraulic piston and cylinder assemblies mounted on trunions in said framework below said relatively long side, said piston and cylinder assemblies being operatively connected to adjacent the end of said relatively long side, a source of hydraulic power operatively connected to said piston and cylinder assemblies, and valve means on said framework selectively engageable between said piston and cylinder assemblies and said source of hydraulic power whereby hydraulic fluid can be routed to either side of the piston of one of said piston and cylinder assemblies and to either side of the piston of the other said piston and cylinder assemblies, either singlely or together, said source of power including a constant displacement pump, said one piston and cylinder assembly having a larger volumetric capacity than said other piston and cylinder assembly, thereby providing a faster movement to said main beam when operated singlely and providing additional power to said to main beam when operated together with said other piston and cylinder assembly.

Claim 3

The machine according to claim 1 which includes a pedal assembly on said framework operatively connected to said valve means, said assembly having a punch press operating pedal and an accessory operating pedal, and means mounted on said framework operatively connected between said valve means and said pedal assembly whereby either said punch press operating pedal is in the operative position or said accessory operating pedal is in the operative position.

Claim 4

The machine according to claim 2 in which said valve means includes a main shuttle valve operatively connected to said pedal assembly and a plurality of manually operated selector valves operatively connected between said shuttle valve and said hydraulic piston and cylinder assemblies.

Claim 5

The machine according to claim 2 in which said means mounted on said framework operatively connected between said valve means and said pedal assembly includes a shaft mounting said pedal assembly, a lever movable between a first accessory mode position and a second punch press mode position, and an over center rocker assembly between said lever and said shaft.

Claim 6

The machine according to claim 4 in which said rocker assembly includes a slotted plate secured to said shaft, an over center slide component mounted in the slot in said plate for endwise movement from one end to the other of said slot, slider component being spring loaded upwardly, and an actuator fork on said lever and engaging said slider component for moving same along said slot in said plate.

Claim 7

The machine according to claim 3 in which said means mounted on said framework operatively connected between said valve means and said pedal assembly includes a shaft mounting said pedal assembly, a lever movable between a first accessory mode position and a second punch press mode position, and an over center rocker assembly between said lever and said shaft.

Claim 8

The machine according to claim 6 in which said rocker assembly includes a slotted plate secured to said shaft, an over center slide component mounted in the slot in said plate for endwise movement from one end to the other of said slot, slider component being spring loaded upwardly, and an actuator fork on said lever and engaging said slider component for moving said slider along said slot in said plate.

Claim 9

An iron and metal working machine comprising in combination a supporting framework, a main beam pivoted between the ends thereof to said supporting framework thereby defining a relatively short punch press side and a relative long accessory operating side, a pair of hydraulic piston and cylinder assemblies mounted on trunions in said framework below said relatively long side, said piston and cylinder assemblies being operatively connected to adjacent the end of said relatively long side, a source of hydraulic power operatively connected to said piston and cylinder assemblies, valve means on said framework selectively engageable between said piston and cylinder assemblies and said source of hydraulic power whereby hydraulic fluid can be routed to either side of the piston of one of said piston and cylinder assemblies and to either side of the piston of the other said piston and cylinder assemblies, either singlely or together, and a secondary beam pivoted by one end thereof within said framework below said main beam, said secondary beam including a shear assembly connected thereto, said secondary beam being connected adjacent the other end thereof to said piston and cylinder assemblies.

Claim 10

An iron and metal working machine comprising in combination a supporting framework, a main beam pivoted between the ends thereof to said supporting framework thereby defining a relatively short punch press side and a relative long accessory operating side, a pair of hydraulic piston and cylinder assemblies mounted on trunions in said framework below said relatively long side, said piston and cylinder assemblies being operatively connected to adjacent the end of said relatively long side, a source of hydraulic power operatively connected to said piston and cylinder assemblies, valve means on said framework selectively engageable between said piston and cylinder assemblies and said source of hydraulic power whereby hydraulic fluid can be routed to either side of the piston of one of said piston and cylinder assemblies and to either side of the piston of the other said piston and cylinder assemblies, either singlely or together, and a secondary beam pivoted by one end thereof within said framework below said main beam, said secondary beam including a shear assembly connected thereto, said secondary beam being connected adjacent the other end thereof to said piston and cylinder assemblies.

Claim 11

The machine according to claim 8 which includes a pedal assembly on said framework operatively connected to said valve means, said assembly having a punch press operating pedal and an accessory operating pedal, and means mounted on said framework operatively connected between said valve means and said pedal assembly whereby either said punch press operating pedal is in the operative position or said accessory operating pedal is in the operative position.

Claim 12

The machine according to claim 9 in which said valve mEans includes a main shuttle valve operatively connected to said pedal assembly and a plurality of manually operated selector valves operatively connected between said shuttle valve and said hydraulic piston and cylinder assemblies.

Claim 13

The machine according to claim 9 in which said means mounted on said framework operatively connected between said valve means and said pedal assembly includes a shaft mounting said pedal assembly, a lever movable between a first accessory mode position and a second punch press mode position, and an over center rocker assembly between said lever and said shaft.

Claim 14

The machine according to claim 11 in which said rocker assembly includes a slotted plate secured to said shaft, an over center slide component mounted in the slot in said plate for endwise movement from one end to the other of said slot, slider component being spring loaded upwardly, and an actuator fork on said lever and engaging said slider component for moving same along said slot in said plate.

Claim 15

The machine according to claim 3 in which said means mounted on said framework operatively connected between said valve means and said pedal assembly includes a shaft mounting said pedal assembly, a lever movable between a first accessory mode position and a second punch press mode position, and an over center rocker assembly between said lever and said shaft.

Claim 16

The machine according to claim 13 in which said rocker assembly includes a slotted plate secured to said shaft, an over center slide component mounted in the slot in said plate for endwise movement from one end to the other of said slot, slider component being spring loaded upwardly, and an actuator fork on said lever and engaging said slider component for moving same along said slot in said plate.

Claim 17

The machine according to claim 10 in which said means mounted on said framework operatively connected between said valve means and said pedal assembly includes a shaft mounting said pedal assembly, a lever movable between a first accessory mode position and a second punch press mode position, and an over center rocker assembly between said lever and said shaft.

Claim 18

The machine according to claim 15 in which said rocker assembly includes a slotted plate secured to said shaft, an over center slide component mounted on the slot in said plate for endwise movement from one end to the other of said slot, slider component being spring loaded upwardly, and an actuator fork on said lever and engaging said slider component for moving said slider along said slot in said plate.

Claim 19

The machine according to claim 3 in which said means mounted on said framework operatively connected between said valve means and said pedal assembly includes a shaft mounting said pedal assembly, a lever movable between a first accessory mode position and a second punch press mode position, and an over center rocker assembly between said lever and said shaft.

Claim 20

The machine according to claim 17 in which said rocker assembly includes a slotted plate secured to said shaft, an over center slide component mounted in the slot in said plate for endwise movement from one end to the other of said slot, slider component being spring loaded upwardly, and an actuator fork on said lever and engaging said slider component for moving same along said slot in said plate.

Claim 21

The machine according to claim 8 in which said other piston and cylinder assembly is connected to the other end of said secondary beam inboard of said one piston and cylinder assembly.

Claim 22

The machine according to claim 19 in which said source of power including a constant displacement pump, said one piston and cylinder assembly having a larger volumetric capacity than said other piston and cylinder assembly.

Claim 23

The machine according to claim 19 which includes a pedal assembly on said framework operatively connected to said valve means, said assembly having a punch press operating pedal and an accessory operating pedal, and means mounted on said framework operatively coNnected between said valve means and said pedal assembly whereby either said punch press operating pedal is in the operative position or said accessory operating pedal is in the operative position.

Claim 24

The machine according to claim 21 in which said valve means includes a main shuttle valve operatively connected to said pedal assembly and a plurality of manually operated selector valves operatively connected between said shuttle valve and said hydraulic piston and cylinder assemblies.

Claim 25

The machine according to claim 22 in which said means mounted on said framework operatively connected between said valve means and said pedal assembly includes a shaft mounting said pedal assembly, a lever movable between a first accessory mode position and a second punch press mode position, and an over center rocker assembly between said lever and said shaft.

Claim 26

The machine according to claim 23 in which said rocker assembly includes a slotted plate secured to said shaft, an over center slide component mounted in the slot in said plate for endwise movement from one end to the other of said slot, slider component being spring loaded upwardly, and an actuator fork on said lever and engaging said slider component for moving same along said slot in said plate.

Claim 27

An iron and metal working machine comprising in combination a supporting framework, a main beam pivoted between the ends thereof to said supporting framework thereby defining a relatively short punch press side and a relative long accessory operating side, a pair of hydraulic piston and cylinder assemblies mounted on trunions in said framework below said relatively long side, said piston and cylinder assemblies being operatively connected to adjacent the end of said relatively long side, a source of hydraulic power operatively connected to said piston and cylinder assemblies, valve means on said framework selectively engageable between said piston and cylinder assemblies and said source of hydraulic power whereby hydraulic fluid can be routed to either side of the piston of one of said piston and cylinder assemblies and to either side of the piston of the other said piston and cylinder assemblies, either singlely or together, and a pedal assembly on said framework operatively connected to said valve means, said assembly having a punch press operating pedal and an accessory operating pedal, and means mounted on said framework operatively connected between said valve means and said pedal assembly whereby either said punch press operating pedal is in the operative position or said accessory operating pedal is in the operative position.

Claim 28

An iron and metal working machine comprising in combination a supporting framework, a main beam pivoted between the ends thereof to said supporting framework thereby defining a relatively short punch press side and a relative long accessory operating side, a pair of hydraulic piston and cylinder assemblies mounted on trunions in said framework below said relatively long side, said piston and cylinder assemblies being operatively connected to adjacent the end of said relatively long side, a source of hydraulic power operatively connected to said piston and cylinder assemblies, valve means on said framework selectively engageable between said piston and cylinder assemblies and said source of hydraulic power whereby hydraulic fluid can be routed to either side of the piston of one of said piston and cylinder assemblies and to either side of the piston of the other said piston and cylinder assemblies, either singlely or together, and a pedal assembly on said framework operatively connected to said valve means, said assembly having a punch press operating pedal and an accessory operating pedal, and means mounted on said framework operatively connected between said valve means and said pedal assembly whereby either said punch press operating pedal is in the operative position or said accessory operating pedal is in the operative position.

Claim 29

The machine according to claim 25 in which said valve means includes a main shuttle valve operatively connected to said pedal assembly and a plurality of manually operated selector valves operatively connected between said shuttle valve and said hydraulic piston and cylinder assemblies.

Claim 30

The machine according to claim 25 in which said means mounted on said framework operatively connected between said valve means and said pedal assembly includes a shaft mounting said pedal assembly, a lever movable between a first accessory mode position and a second punch press mode position, and an over center rocker assembly between said lever and said shaft.

Claim 31

The machine according to claim 27 in which said rocker assembly includes a slotted plate secured to said shaft, an over center slide component mounted in the slot in said plate for endwise movement from one end to the other of said slot, slider component being spring loaded upwardly, and an actuator fork on said lever and engaging said slider component for moving same along said slot in said plate.