Friction clamping apparatus

Details Friction clamping apparatus Friction clamping apparatus

1992-07-30

1993-07-13

Reese, Randolph A.

Joints and connections

With adjunctive protector, broken parts retainer, repair,...

Utilizing fluid pressure

403 31, 403 37, F16B 100

Patent

active

052267539

ABSTRACT:
A friction clamping apparatus includes: a rod; a plurality of friction clamping units serially connected in the axial direction of the rod, each of the friction clamping units including a radially elastically transformable sleeve and a ram into which the sleeve is fittingly inserted, the rod being fittingly inserted through the respective sleeves of the friction clamping units; and restraint pressure chambers defined by an inner circumferential surfaces of the ram and outer circumferential surfaces of the sleeve respectively, so that an oil pressure is made to act upon the restraint pressure chambers to restrain the rod with the sleeves or the oil pressure is made so as not to act upon the restraint pressure chambers to release the rod from the sleeves.

REFERENCES:
patent: 3531146 (1970-09-01), Blad et al.
patent: 3844313 (1974-10-01), Arnold
patent: 3917422 (1975-11-01), Betzler
patent: 3947948 (1976-04-01), Fredriksson et al.
patent: 4105343 (1978-08-01), Riegler et al.
patent: 4425050 (1984-01-01), Durand
patent: 4525916 (1985-07-01), Wuhrer
patent: 4800644 (1989-01-01), Muellenberg
patent: 4979842 (1990-12-01), Miller et al.

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