Pneumatic hammer

Details Pneumatic hammer Pneumatic hammer

1999-11-15

2000-08-01

Smith, Scott A.

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

173114, 173131, B25C 104

Patent

active

060953942

ABSTRACT:
A pneumatic hammer includes a cap connected to a base member with tubular member received in an interior between the cap and the base member. A piston is reciprocatingly received in the tubular member and a piston rod extends from the piston. A spring member is biased between the cap and the tubular member so as to prevent the tubular member from shifting when the pneumatic hammer is put upside down.

REFERENCES:
patent: 3438449 (1969-04-01), Smith
patent: 3708096 (1973-01-01), Burke, Jr.
patent: 3813993 (1974-06-01), Smith
patent: 3854536 (1974-12-01), Hallock, Jr.
patent: 4867366 (1989-09-01), Kleinholz
patent: 5074453 (1991-12-01), Tachihara et al.
patent: 5881941 (1999-03-01), Lai

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