Implements or apparatus for applying pushing or pulling force – Nail extractor type – Single throw lever
Patent
1990-04-23
1991-03-26
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Nail extractor type
Single throw lever
B66F 1500
Patent
active
050022571
ABSTRACT:
A brick hammer having a handle, a head and a tail and an upper surface extending between the head and the tail on the side of the hammer opposite the handle, has a nail puller fixedly secured to that upper surface and overlying at least most of the width of the upper surface. The nail puller has a pair of claws separated by a V-shaped gap that overlies at least a portion of the width of that upper surface. The claws extend beyond that upper surface and terminate in free ends spaced from the upper surface. The claws have under surfaces on each claw that diverge downwardly in a direction away from the other claw toward the upper surface. The gap overlies at least most of the width of that upper surface. The free ends of the claws are spaced from that upper surface a distance which is a minor fraction of the width of the upper surface and have under surfaces which are inclined downwardly in a direction from the free ends toward the upper surface. There is a recess in the hammer in which the handle is disposed. The tail terminates in a free cutting edge, the nail puller being disposed between the recess and the cutting edge and more closely adjacent the recess than the cutting edge.
REFERENCES:
patent: 170972 (1875-12-01), Thayer
patent: 668046 (1901-02-01), Innes
patent: 872886 (1907-12-01), Bates
patent: 994775 (1911-06-01), Nelson
patent: 1114910 (1914-10-01), Reed
patent: 1215180 (1917-02-01), Morrow
patent: 1499302 (1923-10-01), Hobson
patent: 1660237 (1927-04-01), Small
patent: 1721270 (1927-10-01), Doebler
patent: 4482132 (1984-11-01), Lamansky
patent: 4561635 (1985-12-01), Lamansky
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