| 摘要 |
A self locking forkbolt for pivoting the end of a pivoting seat back frame to a vehicle body includes a pin that is locked into a slot by the end of a hook that swings on a pivot axis across the slot, from an open to a closed position. A locking lever fixed to the hook moves with the hook, and a cam lever pivoted to the same pivot axis, located on to of the locking lever, has a striker edge that is engaged by the pin first as the pin is pushed into the slot. The force transfer connection between the cam lever and the hook/locking lever is indirect, consisting of a spring that is compressed by the pivoting cam lever to, in turn, push on the hook. The locking lever pops into a latched position as the hook swings closed, and the spring remains at least slightly compressed, reducing rattle of the pin within the slot.
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