| 摘要 |
A pin retractor operator is provided for use on a trailer having a movable bogie secured to the trailer frame with pins which are retractable by pulling on a handle of a pin retractor. The pin retractor operator includes a case for engaging the bogie, a handle engager coupled to a spring both of which are within the case. A tensioner extends through the case and is coupled to the spring so that linear movement of the tensioner stores energy within the spring when the handle of the pin retractor is received in the handle engager. A regulator coupled to the case controls movement of the tensioner. Tension stored in the spring pulls on the handle of the pin retractor while urging the case against the bogie allowing the trailer to be moved relative to the bogie with the pin retractor operator attached to the bogie. Components of the tensioner are adapted to serve as a positioning mechanism.
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