| 摘要 |
Locking apparatus adapted for releasably holding a first member, which can be, for instance, a relatively heavy member or device such as a crop residue spreader, in one or more predetermined positions relative to a second member, which can be, for instance, a fixed structure of an agricultural combine, which apparatus when locked and actuated or moved into an unlocking mode will automatically unlock when any forces urging the apparatus to remain in the locked condition are overcome or removed or are otherwise absent, and which when actuated or moved into a locking mode, will automatically lock the members together when in or moved to one of the predetermined positions.
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