Pushrod assembly
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United States of America Patent
Stats
-
Feb 24, 1987
Grant Date -
N/A
app pub date -
Mar 30, 1984
filing date -
Mar 30, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pushrod assembly including a carriage mounted on a shaft for movement therealong and carrying a pushrod engageable with a load to be moved. A magnet is mounted on a supporting bracket for movement along such shaft. Means are provided for adjustably spacing said magnet away from said carriage to obtain a selected magnetic attractive or coupling force therebetween. Movement of the supporting bracket and the magnet carried thereby pulls the carriage along with it until the selected magnetic force is exceeded by a resistance load acting on the carriage.
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