Elongated-member-driving apparatus – With means to support member and/or work relative to driver – Impact-type driver
Patent
1989-11-20
1990-10-02
Watts, Douglas D.
Elongated-member-driving apparatus
With means to support member and/or work relative to driver
Impact-type driver
81 44, B25C 300
Patent
active
049602357
ABSTRACT:
A nail set device is set forth wherein a housing comprises a central cylindrical cavity extending interiorly of the housing from one end to receive a punch therewithin. The housing is formed with a forward planar wall with an axial bore extending from the planar wall through the other end of the housing axially aligned with the cylindrical cavity. The punch includes a reduced section to receive an abutment screw to control axial punch travel within the housing. A forwardly mounted return spring between the conical forward wall and a central enlarged diameter portion of the punch maintains the punch in a retracted orientation relative to the housing. A forward resilient bumper is mounted overlying the forward reduced circular section of the housing to minimize damage to an associated work surfaces.
REFERENCES:
patent: 2161969 (1939-06-01), Mange
patent: 2666201 (1954-01-01), Van Orden
patent: 2727235 (1955-12-01), Cameron
patent: 2783799 (1957-03-01), Hart
patent: 2866974 (1959-01-01), Hoffman
patent: 3060440 (1962-10-01), Pfaff et al.
patent: 3847193 (1974-11-01), Brunstetter
Gilden Leon
Husar John M.
Watts Douglas D.
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