The tank cap unit includes a tank cap (14) which can be turned between positions in which the filler neck (12) is open and closed by means of at least one side projecting holder (18) and a fixed turning axis (24a). The turning axis is at a fixed spacing be...

The pivoting cap (12) for a vehicle fuel tank is opened automatically by a spring (26) when the lock (14) is released. A shock absorbing system is fitted to damp the opening motion.

A fuel lid unit preferably used as a fuel lid for motor vehicles, which, when consisting of a body-base (2, 4), a lid (3) and a spring (8), functions efficiently.

The sealing ring is made of rubber and is held in a circumferential groove (7). On the edge to be inserted in the groove the ring (8) has several circumferentially spaced out recesses which are open at the edge. the recesses are spread out evenly round the...