Hammer

Details Hammer Hammer

1975-05-21

1976-10-26

Smith, Al Lawrence

Bridges

7 8, B25C 100, B25D 100

Patent

active

039878287

ABSTRACT:
An improved hammer for releasably holding a nail during the initial nail driving operation and providing auxiliary driving means during the nail setting operation including a preliminary driving face with associated magnetic means for releasably holding the nail while the preliminary driving blow is struck and further including a secondary driving face for setting the nail when a flattened heel is struck by a primary driving force.

REFERENCES:
patent: 82621 (1868-09-01), Hubbard
patent: 112902 (1871-03-01), Clarke
patent: 352070 (1886-11-01), Robertson
patent: 450011 (1891-04-01), Hackett
patent: 509399 (1893-11-01), Richardson
patent: 582294 (1897-05-01), Labagh
patent: 745973 (1903-12-01), Starrett
patent: 1041903 (1912-10-01), Thomas
patent: 1133705 (1915-03-01), Caron
patent: 2597876 (1952-05-01), Kurkjian
patent: 3543821 (1970-12-01), Johnson

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