Chuck for tool shanks, particularly screwdriver bits

Details Chuck for tool shanks, particularly screwdriver bits Chuck for tool shanks, particularly screwdriver bits

1984-08-20

1986-12-16

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

279 1B, 279 75, 279 82, B23B 3122

Patent

active

046293752

ABSTRACT:
A chuck for non-circular ends of tool shanks having a bushing forming a chamber corresponding in cross-section to the tool shank and a ball which acts on the shank and is clamped by a spring biased sleeve which forms a wedge against the ball. The ball is mounted in a separate wing which is engaged by the sleeve and is displaceable relative to the bushing so that the ball engages a clamping surface formed by an end ring and the tool shank in a clamping position.

REFERENCES:
patent: 3185493 (1965-05-01), Chadwick
patent: 3927893 (1975-12-01), Dillion et al.
patent: 4107949 (1978-08-01), Wanner et al.
patent: 4197886 (1980-04-01), MacDonald

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