Metal working – Plural diverse manufacturing apparatus including means for... – Common reciprocating support for spaced tools
Patent
1985-07-03
1986-12-16
Weidenfeld, Gil
Metal working
Plural diverse manufacturing apparatus including means for...
Common reciprocating support for spaced tools
409233, B23C 526, B23Q 3157
Patent
active
046285865
ABSTRACT:
A tool clamping device for clamping a tool on a main spindle or releasing the same from the main spindle, which includes: a main spindle rotatably supported on a headstock; a push rod extended through the spindle hole of the main spindle so as to be axially slidable, urged rearward by a weak spring and capable of being moved axially for fixing a tool to or releasing the same from the main spindle; a clamping spring for pressing the push rod rearward; a sleeve disposed contiguously with one end of the clamping spring so as to be movable relatively to the push rod; a first interlocking mechanism formed between the push rod and the sleeve so as to interlock the sleeve with the push rod when the sleeve moves in a direction to allow the expansion of the clamping spring and to release the sleeve from the push rod when the sleeve moves in a direction to compress the clamping spring; a second interlocking mechanism capable of being disengaged by the movement of the push rod in a direction to compress the clamping spring; and an unclamping cylinder disposed contiguously with the sleeve to move the sleeve against the resilient force of the clamping spring.
REFERENCES:
patent: 3684303 (1972-08-01), Serra
patent: 3762271 (1973-10-01), Poincenot
patent: 3875848 (1975-04-01), Powell
patent: 4068559 (1978-01-01), Schmid, Jr. et al.
patent: 4075927 (1978-02-01), Frazier
patent: 4122755 (1978-10-01), Johnson et al.
patent: 4352612 (1982-10-01), Benatti
Michisita Ryoichi
Sasaki Hitoshi
Yoshimi Takani
Toyoda Koki Kabushiki Kaisha
Webb Glenn L.
Weidenfeld Gil
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