High-frequency motor incorporating tool drawing-up device therein
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United States of America Patent
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-
May 26, 1987
Grant Date -
N/A
app pub date -
Nov 15, 1984
filing date -
Nov 21, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention is characterized by that the high-frequency motor is adapted to provide the tapered surface engagements in both engaging parts between a draw bar set in a rotary shaft of the motor and a slit hook engaged with the draw bar, and between this hook and a holder for the hook, and to reverse mutually the inclined directions of these tapered surfaces so as to obtain a large clamp force.
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