Apparatus for holding tools

Details Apparatus for holding tools Apparatus for holding tools

1993-09-27

1995-04-25

Look, Edward K.

Joints and connections

Biased catch or latch

By separate spring

409233, 279 89, 279900, B25G 318

Patent

active

054093228

ABSTRACT:
An improved tool holding apparatus includes a collet chuck or a steel ball chuck that clamps a pull bolt, which defines the forward end portion of a tool, by resilient force applied thereto from a coned disc spring. The tool holding apparatus further includes a temporary clamping device which is buried in a sleeve to temporarily clamp the pull bolt. A clamping force applied by the temporary clamping device is set at such a level that an arm can draw the tool from a main spindle by gripping the rear end portion of the tool.

REFERENCES:
patent: 2162359 (1939-06-01), Rhinevault
patent: 4579476 (1986-04-01), Post
patent: 4817267 (1989-04-01), Hitomi

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