| 摘要 |
A push-pull collar or a yoke sleeve ramps locking pins radially outward when the collar is pushed away from a power takeoff stub shaft so that the yoke sleeve may be removed from the shaft. The pins engage detents in the ramps to hold the pins outward and to hold the collar axially inward on the yoke sleeve. Pushing the sleeve on a shaft locks the pins, releasing the collar. When the pins move inward in engagement with a shaft groove, a spring moves the collar axially outward, partially covering the pins to hold them in an inward, locked position.
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