Power transmission device for press machine
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United States of America Patent
Stats
-
Feb 22, 1994
Grant Date -
N/A
app pub date -
Dec 9, 1992
filing date -
Oct 5, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power transmission device for a press machine comprises a connection link connected to a crankshaft of the press machine and reciprocated in accordance with the rotation of the crankshaft, a first slider provided in a frame of the press machine so as to be reciprocated in a first direction, and pivotally connected to the connection link, a first link mechanism provided with a pair of first links pivotally connected to each other, wherein one of the first links is pivotally connected to either the connection link or the first slider so as to be folded and extended while following up the reciprocating movement of the connection link, a second slider provided in the frame displaceably in the first direction and pivotally connected to the other first link, and a mechanism for adjusting the position of the second slider in the first direction, whereby the bottom dead center position and the stroke length of a slide can be adjusted by a common mechanism.
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Family
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Cited Art Landscape
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