Implements or apparatus for applying pushing or pulling force – Nail extractor type
Patent
1975-04-21
1976-09-07
Smith, Al Lawrence
Implements or apparatus for applying pushing or pulling force
Nail extractor type
B66F 1500
Patent
active
039785769
ABSTRACT:
An extractor for nails comprising a cylinder, a piston reciprocable in said cylinder under the influence of fluid pressure, a pair of gripping jaws located externally of said cylinder, at least one of which jaws is movable between nail gripping and non-gripping positions as a result of mechanical interaction between said piston and said movable jaw or jaws upon displacement of said piston towards and away from said jaws under the action of fluid pressure.
REFERENCES:
patent: 1771712 (1930-07-01), Jimerson
patent: 2709570 (1955-05-01), Henry
patent: 2735649 (1956-02-01), Swallert
patent: 2797889 (1957-07-01), Talboys
patent: 2826446 (1958-03-01), Hursh
patent: 2846187 (1958-08-01), Sublett et al.
Glentore Timber Products Limited
Smith Al Lawrence
Watson Robert C.
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