Quick release bracket

A backrest for a motorcycle, comprising:

• a base member comprising an upper portion, and a lower portion including first and second opposing ends, the first end comprising a first substantially vertical recess therein, the second end comprising a second substantially horizontal recess therein;
• a bracket member slidably mounted to the base member, the bracket member being slidable linearly along a transverse axis between an open position and a closed position, wherein, in the closed position, a third recess in the bracket member at least partially encloses the second recess for securing a pin within the second and third recesses;
• a lock on the bracket member for releasably securing the bracket member in the closed position;
• and
• a backrest member extending from the upper portion of the base member,
• wherein the lock comprises a locking arm pivotally mounted to the bracket member, the base member comprising a stop that the locking arm engages in the closed position to prevent subsequent movement of the bracket member towards the open position.

A device for securing an accessory to a support structure on a vehicle, comprising:

• a base member comprising an upper portion for connecting to a vehicle accessory, and a lower portion including a first recess extending along a first axis for receiving a pin of the support structure therein when the base member is aligned with the support structure;
• a post mounted on the base member;
• a bracket member slidable linearly on the post along a transverse axis that intersects the first axis, the bracket member slidable between an open position that allows a pin to be received in the first recess and a closed position that encloses the first recess for securing the pin in the first recess;
• and
• a locking arm rotatably mounted on the bracket member for releasably engaging the post to secure the bracket member in the closed position.