| 摘要 |
A boat trailer has an extendible tongue and includes a trailer body along with a tongue having a hitch attachment on one end thereof for removably attaching the tongue to a vehicle. A telescoping tongue is fixedly attached to the boat trailer body and has a pair of roller brackets attached thereto for telescoping the tongue. Each roller bracket is movably attached to the tongue for rolling engagement therewith. A latching mechanism is attached to the tongue for removably locking the tongue to one of the roller brackets on the telescoping tongue to thereby latch the tongue to the telescoping tongue to prevent the telescoping tongue and trailer body from moving relative to the tongue when in a latched position and to allow the telescoping tongue and trailer body to telescope relative to the tongue when the latching mechanism is unlatched from the roller bracket. The latching mechanism has a spring loaded latching arm having a catch for engaging and locking dog on one bracket and has a lever release arm coupled to the latching arm to release the latch arm from the dog to thereby allow the telescoping tongue to telescope relative to the tongue.
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