Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Reexamination Certificate
2005-11-10
2008-07-15
Wilson, Lee D (Department: 3723)
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
C029S253000
Reexamination Certificate
active
07398584
ABSTRACT:
For press fitting a pin member into aligned holes of works, a press fitting tool is provided, which comprises a pin diameter reducing device that reduces at least a leading end of the pin member to a given diameter by applying an external force to the pin member. The given diameter is smaller than that of the aligned holes. The press fitting tool further comprises an actuating device that thrusts the pin member in a direction to insert the diametrically reduced leading end of the pin member into an inlet portion of the aligned holes without inducing abutment of the diametrically reduced leading end of the pin member with a peripheral edge of the inlet portion of the aligned holes.
REFERENCES:
patent: 5584221 (1996-12-01), Petrantoni
patent: 5904079 (1999-05-01), Tsuge et al.
patent: 5959899 (1999-09-01), Sredanovic
patent: 6123244 (2000-09-01), Huang
patent: 6164170 (2000-12-01), Habermehl et al.
patent: 7043808 (2006-05-01), Patton
patent: 08-071861 (1996-03-01), None
Foley & Lardner LLP
Jatco Ltd
Wilson Lee D
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