Drill lifting and lowering device for electric drill

Details Drill lifting and lowering device for electric drill Drill lifting and lowering device for electric drill

1984-02-13

1986-04-15

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Means to drive tool

Including means to move tool along tool-axis

408712, B23B 4514

Patent

active

045824568

ABSTRACT:
An improvement in the portable electric drill. The drill shaft of the electric drill is supported for up and downward movement and is provided with a lifting and lowering lever. The lifting and lowering lever is carried by a bracket which also supports a drilling object holding device. In the drilling operation, the drill device as a whole is supported by the drilling object holding device so that the lifting and lowering lever can be manipulated safely and efficiently.

REFERENCES:
patent: 545611 (1895-09-01), Reeve
patent: 562005 (1896-06-01), Law
patent: 1513786 (1924-11-01), Rose
patent: 2405110 (1946-08-01), Bullock
patent: 2444562 (1948-07-01), Fried
patent: 2879678 (1959-03-01), Kaiser, Jr.
patent: 3387509 (1968-06-01), Lupear

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