Clamping apparatus and clamping system

Work holders – Work-underlying support – Support mounting means

Reexamination Certificate

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Details

C269S048100, C269S048300, C269S310000

Reexamination Certificate

active

07377505

ABSTRACT:
A housing (15) fixed to a reference block (1) is provided with a guide hole (20) into which a plug portion (3) of a movable member (2) is allowed to be inserted. Inside this guide hole (20) is arranged an outer sleeve (21) vertically movably, and this outer sleeve (21) is advanced upward by a predetermined advancing stroke by a coned disc spring (25). An inner sleeve (31) which is allowed to fit outside the plug portion (3) is wedge-engaged with the outer sleeve (21) from above, and this inner sleeve (31) is adapted to be diametrically expandable and diametrically contractible. The inner sleeve (31) is moved vertically by an output member (36).

REFERENCES:
patent: 4948105 (1990-08-01), Yonezawa
patent: 5820118 (1998-10-01), Craft
patent: 6390460 (2002-05-01), Chupick
patent: 6604738 (2003-08-01), Haruna
patent: 1 078 713 (2001-02-01), None
patent: 3-287336 (1991-12-01), None
patent: 11-19836 (1999-01-01), None
patent: 2002-331432 (2002-11-01), None

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