Pipe joints or couplings – With means blocking release of holding means – Thread lock
Reexamination Certificate
2005-03-17
2008-10-07
Dunwoody, Aaron M (Department: 3679)
Pipe joints or couplings
With means blocking release of holding means
Thread lock
C285S086000, C285S317000, C403S286000
Reexamination Certificate
active
07431342
ABSTRACT:
The invention relates to a connection for fastening a tool or a tool adapter to an extension device. The connection includes a threaded stud, a threaded bush and a mechanism for locking the threaded stud to the threaded bush when the threaded stud and threaded bush are interconnected. The mechanism for locking is one of a snap connection and a s1iding connection and includes a manipulating device to release the locking mechanism.
REFERENCES:
patent: 1531463 (1925-03-01), Vincent
patent: 1580694 (1926-04-01), Smith
patent: 5188398 (1993-02-01), Parimore et al.
patent: 5215336 (1993-06-01), Worthing
Burr & Brown
Ciret Holdings AG
Dunwoody Aaron M
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