Invention Grant
US3989267A Boat latch 失效
船闩

Boat latch
Abstract:
A latch arranged to automatically lock a boat to a boat trailer by snapping a latch pin through the bow ring of the boat when the boat is powered onto the trailer. The latch mounts on a trailer stanchion and includes a trigger plate that holds the latch pin cocked and that is moved by the boat to release the latch pin so that it can extend through the bow ring.
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