Patent ID: 6877632

Claim:
A fuel cap for instullation and removal relative to a filler neck of a fuel tank, said cap comprising: a closure body having a rotational axis and an associated transverse support aligned for rotation about the axis; and a cap body having a pin aligned with the axis of the closure body and a transverse support connected to the pin, the cap body and its transverse support positioned relative to the closure body and the closure-body transverse support such that the cap-body transverse support is aligned for rotation about the axis; wherein at least one of the transverse supports includes a contact surface and at least one raised area, the surface of the contact surface is recessed relative to the surface of the at least one raised area, the contact surface and a surface of the other transverse support lie on top of one another, and rotation of the cap body relative to the closure body is limited by interference between the at least one raised area and the other transverse support.