Mechanism for controlling the operation of machines
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United States of America Patent
Stats
-
Feb 18, 1986
Grant Date -
N/A
app pub date -
Dec 4, 1981
filing date -
Dec 31, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanism for controlling the travel, velocity and stroke distance of a ram as used in punch and draw presses, and riveting machines, and a lever as used in automatic screw machines, feed mechanisms and indexing machines. In each embodiment the ram/lever is rotatably attached to a cam follower. When the mechanism is in the idle mode the cam follower is at rest in the idle area keeping the ram/lever motionless while the cam rotates. When the work mode is selected an escapement guide is actuated, causing the cam follower to transfer from the idle area into a cycloidal work groove intersecting the idle area. The work groove is configured to produce ram/lever motions commensurate with those required for the specific work piece. The mechanism uses fewer parts than are presently required for conventional machines is easier to maintain, more reliable and requires less power to operate.
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