Workpiece supporting device and seating mechanism therefor

Details Workpiece supporting device and seating mechanism therefor Workpiece supporting device and seating mechanism therefor

2006-05-23

2006-05-23

Watson, Robert C. (Department: 3723)

Work holders

Work-underlying support

Gapped support

C269S309000, C269S329000, C269S285000, C269S286000

Reexamination Certificate

active

07048268

ABSTRACT:
In order to detect accurately a seating of clamped body and a clamping force at a seating, the workpiece supporting device has plural seating mechanisms40. Each of the seating mechanisms40includes a load sensing element45receiving a clamping force or a fixing force. The load sensing element45consists of a material having a characteristic that said load sensing element is not substantially deformed by an applied load, especially it consists of a composite material dispersing a material having a pressure resistance effect or a magnetic resistance effect in a matrix of an electric insulation ceramics material. An abnormal clamping or fixing of the clamped body and an abnormal overload are detected by detecting an output from plural load sensing elements45supporting the clamped body.

REFERENCES:
patent: 5305992 (1994-04-01), Kish
patent: 2001/0020694 (2001-09-01), Makino et al.
patent: 7-24680 (1995-01-01), None
patent: 7-40169 (1995-02-01), None
patent: 7-40200 (1995-02-01), None
patent: 10-151537 (1998-06-01), None
patent: 11-223565 (1999-08-01), None
patent: 11-320305 (1999-11-01), None
patent: 2002-310813 (2002-10-01), None
Patent Abstracts of Japan, JP 09-183033, Jul. 15, 1997.
Patent Abstracts of Japan, JP 08-229762, Sep. 10, 1996.
Patent Abstracts of Japan, JP 09-201742, Aug. 5, 1997.

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