Hand airfeed powertool

Details Hand airfeed powertool Hand airfeed powertool

1982-12-27

1985-08-13

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

With stopping upon completion of prescribed operation

408130, 408702, B23B 4504

Patent

active

045346828

ABSTRACT:
A feed rate attachment for a drilling tool or the like. The drilling tool is equipped with a piston attached thereto operating within a cylinder positioned against the work-piece. A hydraulic damper is utilized to linearly resist the movement of the drilling tool attached piston relative to the cylinder.

REFERENCES:
patent: 2488992 (1949-11-01), Taylor
patent: 2527968 (1950-10-01), Sherman et al.
patent: 2643555 (1953-06-01), Steibel
patent: 2657595 (1953-11-01), Shaff
patent: 2852965 (1958-09-01), Wallace
patent: 2883891 (1959-04-01), Shulters et al.
patent: 3362266 (1968-01-01), Krafft
patent: 4329092 (1982-05-01), Ponitzcsh et al.
patent: 4421441 (1983-12-01), Hirose

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