B - Operations – Transporting – 23 – Q
Patent
B - Operations, Transporting
23
Q
269/14
B23Q 3/02 (2006.01) B23Q 1/28 (2006.01) B23Q 3/10 (2006.01) B25B 5/06 (2006.01) B30B 15/02 (2006.01)
Patent
CA 1272494
T-SLOT HYDRAULIC SYSTEM Abstract A hydraulic clamp embedded in a T-slot of a machine tool bolster plate, has a T-slotted piston rod end which fits continuous ly within the T-slot of the bolster plate. Using a T-configured member secured to the underside of a die shoe, and slid into the T-slot, actuating the hydraulic clamp draws the shoe downward, firm- ly clamping it against the bolster surface. If, instead of a T- configured member, an I-beam member (in effect, a double T) is used in a die shoe having a T-slotted undersurface, the clamping force is extended over the entire length of the I-beam. The effect is to avoid distortion of the die shoe. In addition to the surface friction attendant to the present distortion-free clamping posi- tive resistance of sideward displacement of the shoe is provided by the T-slot edges. When the present invention is not employed for clamping, the T-slotted surfaces of the bolster plates are unencumbered and may therefore be used and cleaned in an ordinary manner.
547314
Ehrhardt Winfried
Lehr Adolf
Richter Klaus
Carr Lane Roemheld Manufacturing Co. Inc.
Riches Mckenzie & Herbert Llp
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