Patent US3662049A successfully refreshed from Google Patents.
Patent US3907155A successfully refreshed from Google Patents.
US3907155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking filler cap
Assignee: Motors Liquidation Co
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Filing: 1974-09-03
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Granted: 1975-09-23
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Expires: 1994-09-03
Abstract
Abstract In a fuel tank filler cap, a pair of semicircular shell members surround and overlie the upper end of a threaded body member. A torque limiting coupling is provided between the shell members and the body member through a plurality of fingers, formed as part of the body member, which are biased outwardly to engage a serrated circular track formed by the shell members. A pair of latch members are disposed in arcuate guideways also formed by the shell members and are biased to extend under a flange on the fuel tank filler neck, thus preventing unauthorized removal of the filler cap. A cam driven by a lockable member pulls the latch members out from under the filler neck flange to permit removal of the cap.
Inventors
- 👤 Claude A Smith
- 👤 Donald L Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:50
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5575; Y10T70/558; Y10T70/5589
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
233 words
A locking filler cap for use on a fuel tank filler neck having an inner helical thread and an outwardly extending flange, said cap comprising a body member having an outer helical thread about its lower end adapted to mate with said filler neck thread, a seal carried by said body member and adapted to engage said filler neck, a pair of semicircular shell members received about and overlying the upper end of said body member, said shell members defining a circular track having a plurality of projections thereon, said body member having a plurality of fingers biased into engagement with said track, engagement of said fingers and said projections providing a torque limiting coupling between said shell members and said body member whereby said body member may be applied to and removed from said filler neck by rotating said shell members, said shell members defining a pair of guideways, a pair of latch members carried in said guideways, means biasing said latch members to extend under said flange whereby said latch members prevent removal of said cap from said filler pipe, a cam member engaging said latch members and carried between said body member and shell members, and a lockable member connected to said cam member for driving said cam member to thereby pull said latch members out from under said flange whereby said cap may be removed from said filler pipe.
Claim 2
Dependent Claim
233 words
A locking filler cap for use on a fuel tank filler neck having an inner helical thread and an outwardly extending flange, said cap comprising a body member having an outer helical thread about its lower end adapted to mate with said filler neck thread, a seal carried by said body member and adapted to engage said filler neck, a pair of semicircular shell members received about and overlying the upper end of said body member, said shell members defining a circular track having a plurality of projections thereon, said body member having a plurality of fingers biased into engagement with said track, engagement of said fingers and said projections providing a torque limiting coupling between said shell members and said body member whereby said body member may be applied to and removed from said filler neck by rotating said shell members, said shell members defining a pair of guideways, a pair of latch members carried in said guideways, means biasing said latch members to extend under said flange whereby said latch members prevent removal of said cap from said filler pipe, a cam member engaging said latch members and carried between said body member and shell members, and a lockable member connected to said cam member for driving said cam member to thereby pull said latch members out from under said flange whereby said cap may be removed from said filler pipe.
Claim 3
Dependent Claim
240 words
A locking filler cap for use on a fuel tank filler neck having an inner helical thread and an outwardly extending flange, said cap comprising a body member having an outer helical thread about its lower end adapted to mate with said filler neck thread, a seal carried by said body member and adapted to engage said filler neck, a pair of semicircular shell members received about and overlying the upper end of said body member, said shell members defining a circular track having a plurality of radially extending projections thereon, said body member having a plurality of fingers biased radially outwardly into engagement with said track, engagement of said fingers and said projections providing a torque limiting coupling between said shell members and said body member whereby said body member may be applied to and removed from said filler neck by rotating said shell members, said shell members defining a pair of vertical arcuate guideways, a pair of arcuate latch members carried in said guideways, means biasing said latch members to extend under said flange whereby said latch members prevent removal of said cap from said filler pipe, a cam member engaging said latch members and carried between said body member and shell members, and a lockable member connected to said cam member for driving said cam member to thereby pull said latch members out from under said flange whereby said cap may be removed from said filler pipe.
Claim 4
Dependent Claim
240 words
A locking filler cap for use on a fuel tank filler neck having an inner helical thread and an outwardly extending flange, said cap comprising a body member having an outer helical thread about its lower end adapted to mate with said filler neck thread, a seal carried by said body member and adapted to engage said filler neck, a pair of semicircular shell members received about and overlying the upper end of said body member, said shell members defining a circular track having a plurality of radially extending projections thereon, said body member having a plurality of fingers biased radially outwardly into engagement with said track, engagement of said fingers and said projections providing a torque limiting coupling between said shell members and said body member whereby said body member may be applied to and removed from said filler neck by rotating said shell members, said shell members defining a pair of vertical arcuate guideways, a pair of arcuate latch members carried in said guideways, means biasing said latch members to extend under said flange whereby said latch members prevent removal of said cap from said filler pipe, a cam member engaging said latch members and carried between said body member and shell members, and a lockable member connected to said cam member for driving said cam member to thereby pull said latch members out from under said flange whereby said cap may be removed from said filler pipe.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |