04000632 is referenced by 21 patents and cites 6 patents.

A locking, threaded gas cap for vehicle fuel tanks having threaded filler necks, the cap comprising a closure member threaded to engage and close the filler neck and an outer shell member mounted on the closure member for relative rotation to provide a hand grip. The closure member provides a plurality of abutments spaced peripherally about its axis while the shell member provides at least one yieldably movable drive finger extending radially outwardly into engagement with the abutments. The shell member provides a first stop for preventing movement of the drive finger out of engagement with the abutments when the shell member is rotated in one direction to thread the closure member onto the filler neck. The shell member provides a second stop having an operative position for preventing movement of the drive finger out of engagement with the abutments when the shell member is rotated in the opposite direction to remove the closure member. A key-operated lock is mounted in the shell member and connected to the second stop to move the second stop into and out of its operative position.

Title
Locking gas cap
Application Number
5/601264
Publication Number
4000632
Application Date
August 4, 1975
Publication Date
January 4, 1977
Inventor
Dennis J Summan
Connersville
IN, US
Agent
Jenkins Hanley & Coffey
Assignee
Stant Manufacturing Company
IN, US
IPC
B65D 55/14
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