Structure for connecting a rotatable body to a stationary body

Claim 1

A structure for connecting a rotatable body rotatably to a stationary body while maintaining an electrical connection between said rotatable body and said stationary body, said structure comprising: a pair of coupling members constituting a hinge portion of said rotatable body and each having an engaging end, a through hole formed at the center of said engaging end, and a plurality of lugs provided in a peripheral portion of said engaging end; a pair of deformed O-rings each having a through hole aligning with said through hole of an associated one of said coupling members at the center of said deformed O-rings, and each having a bent portion and apertures in a peripheral portion, each of said apertures mating with a respective one of said lugs; a pair of support members constituting a hinge portion of said stationary body, each of said pair of support members having an engaging end, a through hole formed through the center of said engaging end, and a plurality of channels formed in a peripheral portion of said engaging end; a pair of flat O-rings, a through hole at the center of each of said flat O-rings, said flat O-ring being aligning with said through hole of an associated one of said support members, and a plurality of lugs each mating with respective one of said channels of said associated support member; and a pair of shaft members each being passed through said through hole of an associated one of said coupling members, said through hole of said associated one of said deformed O-rings, said through hole of said associated one of said flat O-rings, and said through hole of said associated one of said support members, whereby each of said bent portions of said deformed O-rings mounted on said engaging ends of said support members is held in slidable contact with said peripheral portion of respective ones of said flat O-rings.