Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2007-08-30
2011-10-11
Hong, John C (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
Reexamination Certificate
active
08033006
ABSTRACT:
A mounting spindle with a thread that is formed adapted to the thread-protecting element, formed as a helical wire, serves as a mounting tool with the mounting method. The helical wire is fixed on the mounting spindle by frictional engagement, which is greater than the torque necessary for mounting the helical wire into the receiving threads. The mounting spindle with the helical wire fixed thereon is then threaded into the receiving threads. Then, the mounting spindle is removed from the helical wire by rotation opposite to the mounting direction. The frictional force is achieved by a reduced-diameter end section of the helical wire.
REFERENCES:
patent: 2152681 (1939-04-01), Caminez
patent: 2363663 (1944-11-01), Findley
patent: 2594900 (1952-04-01), Forster
patent: 4115017 (1978-09-01), Wilhelmsson
patent: 4553303 (1985-11-01), Yamamoto
patent: 4563119 (1986-01-01), Cosenza
patent: 4645398 (1987-02-01), Cosenza et al.
patent: 2005/0095083 (2005-05-01), Masuda
patent: 2 715 341 (1994-01-01), None
Grubert Klaus-Friedrich
Tovar Francisco
Bofag Fasteners AG
Hong John C
Seyfarth Shaw LLP
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