Pushrod assembly
Patent
·
OSTI ID:6728609
A pushrod assembly is described comprising: a frame, a shaft mounted on the frame, a carriage mounted on the shaft for reciprocal movement therealong, a pushrod mounted on the carriage and movable therewith for urging a load in a linear path, a magnet, means slidably mounted on the shaft for supporting the magnet, and means for moving the supporting means. It also comprises a means for spacing the carriage from the magnet to establish a selected magnetic coupling force therebetween causing the carriage to follow the magnet upon movement of the supporting means away from the carriage, and means for adjusting the spacing between the magnet and the carriage for varying the magnetic coupling force therebetween. The carriage is decoupled from the supporting means upon encountering a resistance force exceeding the selected magnetic coupling force.
- Assignee:
- Dept. of Energy, Washington, DC
- Patent Number(s):
- US 4645639
- OSTI ID:
- 6728609
- Country of Publication:
- United States
- Language:
- English
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