Adjustable fastening device

Details Adjustable fastening device Adjustable fastening device

1992-10-30

1993-10-26

Bishop, Steven C.

Chucks or sockets

With fluid-pressure actuator

269 20, 279 403, 279 406, 279 206, 403269, 524731, B23B 3130

Patent

active

052559289

ABSTRACT:
The invention relates to an adjustable fastening device e.g. for an axially-shaped, tubular, flat or spherical tool or working piece or machine part or a like of a desired shape. The device includes: a body section (1), a clamping means (2), mounted within the body section (1) and at least partly pressable/squeezable indirectly or directly against a piece (10) to be fastened. Between the body section (1) and the clamping is provided a space (3), which is pregreased for a medium effecting said pressing/squeezing. The medium comprises in situ cast elastomer (5) whereby, upon the application of pressure on elastomer by means of a screw, a piston or the like, said elastomer (5) delivers by way of its displacement and/or deformation said pressure to clamping means (2) which thus presses/squeezes against a piece (10) to be fastened and, upon releasing said pressure, the elastomer (5) returns to its initial state.

REFERENCES:
patent: 2553990 (1951-05-01), Vidal
patent: 2756707 (1956-07-01), Peters
patent: 3497226 (1970-02-01), Hohwart et al.
patent: 3843601 (1974-10-01), Bruner
patent: 4686271 (1987-08-01), Beck et al.
patent: 4722957 (1988-02-01), Braun et al.
patent: 4741542 (1988-05-01), Kimerly
patent: 4892907 (1990-01-01), Lampe et al.

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