Locks – Special application – For closures
Patent
1977-06-29
1978-04-11
Price, William
Locks
Special application
For closures
220303, 220210, B65D 5514
Patent
active
040832090
ABSTRACT:
A low-profile locking cap for a threaded filler neck includes a closure member for engaging and closing the neck, a shell providing a hand grip and including a key-actuable lock, and a race disposed for rotation between the shell and closure. The race includes axially inwardly opening pockets, and the closure includes flexible pawl fingers for engaging the pockets to provide a driving connection between the closure and race which is positive in the cap removal direction and torque-limited in the cap advancing direction. The race also includes a set of peripherally spaced, radially inwardly projecting teeth, and the shell is molded to provide a pair of flexible drive fingers for engaging the peripherally spaced and radially inwardly projecting teeth to provide a driving connection between the shell and race which is positive in the cap advancing direction and torque-limited in the cap removal direction for free ratcheting of the cap when it is in position on the filler neck and locked. A lock-controlled blocking member is movable by the lock to a cap removal position. The blocking member engages the drive fingers, when in the cap removal position, to prevent the drive fingers from flexing out of engagement with the teeth to render the engagement between the drive fingers and teeth positive in the cap removal direction.
REFERENCES:
patent: 4000632 (1977-01-01), Summan
patent: 4000633 (1977-01-01), Evans
Price William
Shoap Allan N.
Stant Manufacturing Company, Inc.
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