Work holders – Relatively movable jaws – With tool couple element
Patent
1975-07-03
1977-03-08
Smith, Al Lawrence
Work holders
Relatively movable jaws
With tool couple element
408115R, 408712, B23B 4514
Patent
active
040109437
ABSTRACT:
An apparatus for supporting a power driven drill for drilling holes in a workpiece, such as a beam and the like, is disclosed which includes a support frame having clamping members for fixedly securing the frame to the workpiece, and having drill support and guide means operative to stabilize and guide the drill as it is fed into the workpiece by means of a manual power screw.
REFERENCES:
patent: 907735 (1908-12-01), Cain
patent: 2783665 (1957-03-01), Saunders
patent: 2888965 (1959-06-01), Phillips
patent: 2943653 (1960-07-01), Crider
patent: 2997900 (1961-08-01), Pugsley
patent: 3060769 (1962-10-01), Heider
patent: 3741670 (1973-06-01), Wood
patent: 3775020 (1973-11-01), Stoutenberg
Smith Al Lawrence
Watson Robert C.
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