Elastomeric driver return assembly for an electro-mechanical fastener driving tool
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United States of America Patent
Stats
-
Oct 1, 1985
Grant Date -
N/A
app pub date -
Mar 29, 1983
filing date -
Mar 29, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A driver return assembly for an electro-mechanical fastener driving tool. The tool is of the type provided with a driver which is frictionally moved through a working stroke by means of an electrically driven flywheel which presses the driver against a support element, such as a counter rotating flywheel, a low inertia roller, or the like. The driver return assembly comprises at least one elastomeric cord being attached at one of its ends to the driver and at the other of its ends to an anchor within the tool. The at least one elastomeric cord, between its ends, passes about at least two pulleys. One of the pulleys is mounted on a spring supported shaft to compensate for stretch of the at least one elastomeric cord to assure that the driver is returned to its normal, retracted position after each working stroke.
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