Work holders – With fluid means – Plural positioning means sequentially operated
Patent
1998-10-21
2000-08-15
Watson, Robert C.
Work holders
With fluid means
Plural positioning means sequentially operated
269 32, 269 49, 269 34, B23Q 308
Patent
active
061023833
ABSTRACT:
The invention relates to a combined centering and clamping device that is actuatable by a pressure medium, and is especially useful in auto body building industry. Through this invention, large-area clamping of the work product around the circumference of the centering part is possible. This large area clamping produces not only favorable force distribution but also large-area, reliable centering around the centering part, which allows the work product to be locked together with high precision. This invention is especially advantageous in building auto bodies in the automotive industry.
REFERENCES:
patent: 2436941 (1948-03-01), Sendoykas
patent: 3480271 (1969-11-01), Coutilish
patent: 3545050 (1970-12-01), Blatt et al.
patent: 5975605 (1999-11-01), Kot
European Patent Office International Search Report dated Feb. 25, 1999, Application No. 98118859.2-2302.
Tunkers Maschinenbau GmbH
Watson Robert C.
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