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US 4,056,207 AGranted
Die changer
OwnerJames W. Spilkerinventor
Life of this patent
Estimating the term…
Abstract
This device consists primarily of a portable frame, having a manually operated winch, which will elevate formed die clamps.
Claims3
A die changing device, comprising, in combination, a frame, a pair of posts secured to said frame for supporting a pair of guide channels, a winch secured to said frame for raising and lowering support clamp plate, a die lifting fixture freely received upon shaft means extending from said support clamp plate, and die clamp finger means secured to said lifting fixture;
- said posts being parallel spaced apart and fixedly secured to parallel spaced apart and horizontal leg members of said frame, and said guide channels being parallel spaced apart and fixedly secured, one each in said posts, said guide channels freely receiving a pair of rollers secured to shaft means extending from the side edges of said support clamp plate, and said support clamp plate having a wire rope secured to it at its upper center, said wire rope extending from said winch and being carried upon upper pulley means secured within an upper portion of said posts, said winch being fixedly secured to said frame at its upper extremity.
Dependencies are inferred from the claim text.