Work holders – Work-underlying support – Support mounting means
Reexamination Certificate
2005-05-03
2005-05-03
Wilson, Lee D. (Department: 3723)
Work holders
Work-underlying support
Support mounting means
C269S024000, C269S032000, C269S310000, C279S002100, C279S002060
Reexamination Certificate
active
06886822
ABSTRACT:
The abutment of the rod to the work piece is accomplished in a stable manner by providing an air passage in the inside of the work support for supplying pressurized air for detecting the abutment between the rod and the work piece. Work support is equipped with case, rod, sleeve that elastically deforms to reduce its diameter, hydraulic cylinder for driving rod in an advancing direction, spring for elastically energizing rod in advancing direction, detection nozzle for ejecting pressurized air, air passage connected to detection nozzle, sensor for detecting abutment between the tip of rod and work piece based on air pressure, and a control unit. Work piece is supported by the tip of rod abutting work piece while ejecting pressurized air from detection nozzle, and locks rod by elastically deforming sleeve to reduce its diameter after detecting the abutment of rod by a pressure sensor and control unit.
REFERENCES:
patent: 5957443 (1999-09-01), Mascola
patent: 6598713 (2003-07-01), Kawakami
patent: 6691994 (2004-02-01), Kawakami
patent: 20040130086 (2004-07-01), Kawakami
patent: 20040188908 (2004-09-01), Kitaura
patent: S62-213934 (1987-09-01), None
patent: 2002-31105 (2002-01-01), None
Patent Abstracts of Japan for JP2002-31105 published on Jan. 31, 2002.
Patent Abstracts of Japan for JP62-213934 published on Sep. 19, 1987.
Darby & Darby
Pascal Engineering Corporation
Wilson Lee D.
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