Double-bladed power hacksaw
AssigneeColic Machine & Tool Limited
InventorViljo K. Valavaara
Life of this patent
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Abstract
A hacksaw apparatus, for use in association with a work piece and a source of pressurized hydraulic fluid, wherein the hacksaw apparatus comprises a frame, adaptable to receive and support the work piece, hydraulic cylinders mounted to the frame, and connectable to the source of pressurized hydraulic fluid, a hacksaw support structure attached to the hydraulic cylinders, whereby operation of the hydraulic cylinders may move the hacksaw support structure relative to the frame, at least one hacksaw slidably mounted to the hacksaw support structure, hacksaw operators operable to move the hacksaw against the work piece and to maintain pressure between the hacksaw and the work piece during a hacksaw cutting stroke.
Claims15
A hacksaw apparatus, for use in association with a work piece and a source of pressurized hydraulic fluid, wherein the hacksaw apparatus comprises:
- a frame, adaptable to receive and support the work piece;
- two hydraulic cylinder means mounted on said frame, and connectable to said source of pressurized hydraulic fluid, each said cylinder means including a cylinder and piston rod, said piston rod extending through both ends of said cylinder and whereby said cylinder is slidably mounted on said piston rod;
- two hacksaw support structures connected to respective said hydraulic cylinder means, whereby operation of a said hydraulic cylinder means moves a said hacksaw support structure relative to said frame;
- a hacksaw mounted on each said hacksaw support structure, and, in opposition to one another and, and operable to cut against opposite sides of said work piece;
- and,
- hacksaw movement means operable to move each said hacksaw against said work piece from opposite sides and to maintain pressure between each said hacksaw and said work piece during a hacksaw cutting stroke.
Dependencies are inferred from the claim text.