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Patent Searching and Data


Title:
JAW
Document Type and Number:
Japanese Patent JP2000246568
Kind Code:
A
Abstract:

To reduce manufacturing cost and guarantee sure tightening.

A jaw alloted to a prescribed tightening diameter area D1-D7 and provided with a tightening surface with teeth has teeth on the trunk surface of an insert 20. The insert 20 is formed symmetrically at both sides of a center line M, further on the center line M and arranged in the recessed part 15 opened against the tightening surface. The recessed part 15 is started from the end surface of the jaw and formed on the jaw nearly in a right angle against the end surface and meantime, the insert 20 is projected from the tightened surface by the teeth and surrounded by the wall of the recessed part 15 with a contact angle beyond 180°.


Inventors:
ANTONI HERBERT
KLEIN HELMUT
Application Number:
JP2000000047686
Publication Date:
September 12, 2000
Filing Date:
February 24, 2000
Export Citation:
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Assignee:
FORKARDT GMBH
International Classes:
B23Q3/06; B23B31/16; B25B1/24; B25B5/16; (IPC1-7): B23Q3/06; B25B1/24; B25B5/16
Attorney, Agent or Firm:
恩田 博宣 (外1名)