Nail driving impact hammer

Details Nail driving impact hammer Nail driving impact hammer

1980-02-04

1982-02-23

Schroeder, Werner H.

Tool driving or impacting

Impacting devices

Selective axial direction of impact

227113, B25C 506

Patent

active

043165133

ABSTRACT:
A reciprocating ram or hammer is disclosed for driving flat nails in mines without danger of creating sparks that might ignite inflammable gases that would cause an explosion. The hammer comprises a cylindrical tube in which a ram is reciprocated to strike an anvil or drive pin which pushes against a flat nail by overcoming the resistance of a helical spring in the tube. As the nail is being driven, it is held at the end of the hammer by a permanent magnet. Such flat nails are commonly driven overhead for suspending lines.

REFERENCES:
patent: 874499 (1907-12-01), Gunn
patent: 949796 (1910-02-01), Howard
patent: 2594901 (1952-04-01), Forster
patent: 2815692 (1957-12-01), Daniels
patent: 2833173 (1958-05-01), Aspeek
patent: 3979040 (1976-09-01), Denin

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