Boring machines

Details Boring machines Boring machines

1983-01-10

1985-04-09

Weidenfeld, Gil

Metal working

Plural diverse manufacturing apparatus including means for...

Type of machine

82 15, 82 2E, 408147, 408157, 408180, 408181, B23B 3900

Patent

active

045092362

ABSTRACT:
A boring machine comprises a hollow rotary spindle, a pair of swing arms attached to the front end of the rotary spindle to extend in symmetric radial directions with respect to the rotary spindle, and a driving mechanism disposed within the rotary spindle for driving the swing arms. A pair of rams can be assembled respectively in the swing arms to be symmetrically movable in radial directions and a ram driving mechanism is also disposed in the rotary spindle. Cutters are supported to the front ends of the swing arms or rams.

REFERENCES:
patent: 2744423 (1956-05-01), Edera et al.
patent: 2841053 (1958-07-01), Horlacher
patent: 3237486 (1966-03-01), Gilbert et al.
patent: 3290965 (1966-12-01), Gaev et al.
patent: 4411178 (1983-10-01), Wachs et al.

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