Four-roller sheet bending machines
AssigneeChr. Hausler AG
InventorFritz Elsener
Life of this patent
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Abstract
The machine comprises a frame, a pair of nip rollers, two side-rollers disposed on respectively opposite sides of the nip rollers, and four pressure fluid operable devices each displaceably supporting a respective end portion of one of the side-rollers. Each pressure fluid operable device comprises a cylinder and a piston provided with a rod extending through one end portion of the respective cylinder to bear against the frame, the respective other end portion of each cylinder defining a housing provided with bearing means for the respective side-roller end portions and each cylinder being displaceably mounted in guide means.
Claims3
A four-roller sheet bending machine comprising, in combination:
- a frame;
- a pair of nip rollers;
- two side-rollers disposed on respectively opposite sides of said nip rollers;
- four pressure-fluid operable devices each displaceably supporting a respective end portion of one of said side-rollers, each said device comprisng a cylinder and a piston provided with a rod extending through one end portion of said cylinder to bear against said frame, the respective other end portion of each said cylinder defining a housing;
- bearing means for the respective side-roller end portion provided in each housing;
- and
- respective guide means on said frame displaceably mounting each said cylinder.
Dependencies are inferred from the claim text.