Work holders – Work-underlying support – Support mounting means
Reexamination Certificate
2004-08-10
2008-05-27
Hail, III, Joseph J. (Department: 3723)
Work holders
Work-underlying support
Support mounting means
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
Haruna Yosuke
Yonezawa Keitaro
Bacon & Thomas PLLC
Hail III Joseph J.
Kosmek Ltd.
McDonald Shantese L
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