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US 4,726,401 AGranted
Fixed plug assembly
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsShuji Nagano, Shuichiro Ida, Toshio Yoshinaka
Life of this patent
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Abstract
The device for fixing a plug and the like comprises a spring member which is constituted by a plurality of radially deformable claws with their free ends engageable with an arresting stepped portion formed in an inserting hole in which the plug is fixed and a body integral with the claws and deformable in the direction in which the plug is urged so as to position the plug in position.
Claims1
A fixed plug assembly comprising:
- a hollow element defining an inserting hole having a sealing surface and a stepped portion, said sealing surface being axially inwardly displaced from the stepped portion in the inserting hole,
- a plug inserted in said inserting hole;
- and
- a spring member resiliently pressing said plug against said sealing surface in a pressing direction, said plug and said spring member being non-integral, said spring member comprising:
- (a) a resilient body in the form of a doughnut having bent portions for pressing on said plug, and
- (b) a plurality of resilient claws extending radially from said body and having free ends engaged with sad stepped portion,
- said hollow element having at least a pin inserting hole at a position corresponding to each of said claws, whereby said bent portions press said plug against said sealing surface and said claws retain said spring member in said inserting hole, and a pin inserted in any said pin inserting hole can disengage a corresponding one of said claws from said stepped portion for releasing said spring member.
4 more elements
Dependencies are inferred from the claim text.