US3620560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle closure latch
Assignee: Motors Liquidation Co
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Filing: 1969-10-02
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Granted: 1971-11-16
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Expires: 1989-10-02
Abstract
Abstract A minimum-release-type of vehicle deck lid or other closure latch which includes fork latchbolt and detent lever elements provided with cam out detent shoulders and which further includes a magnetic holding arrangement for the detent lever normally opposing the cam out latch-releasing tendency of the latter until an electromagnet is selectively briefly energized to neutralize the permanent magnet and permit release of the latch.
Inventors
- 👤 Theodore F Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:25
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/06; E05B47/0607; E05B83/00; E05B83/16; E05B47/0001; E05B47/0002; E05B47/0006; E05B81/00; E05B81/02; E05B81/04; E05B81/08; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047; Y10T292/1075; Y10T292/1082
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
162 words
A remotely controllable vehicle-closure latch comprising a striker adapted to be mounted on one of a pair of relatively moveable vehicle body members, a latch bolt adapted to be rotatably mounted on the other of the body members for movement between a latched position in engagement with said striker and an unlatched position, a moveable detent member engageable with said bOlt to hold the same in the latched position thereof, said bolt and said detent member including cam out detent shoulders formed to provide a substantial force component effective to cam said detent member out of engagement with said bolt upon forced rotation of the latter from the latched to the unlatched position thereof, magnet means magnetically operative to hold said detent member in engagement with said bolt in opposition to said cam out force component, and means selectively remotely operable to neutralize said magnet means to permit release of said detent member from said bolt under said cam out force component.
Claim 2
Dependent Claim
162 words
A remotely controllable vehicle-closure latch comprising a striker adapted to be mounted on one of a pair of relatively moveable vehicle body members, a latch bolt adapted to be rotatably mounted on the other of the body members for movement between a latched position in engagement with said striker and an unlatched position, a moveable detent member engageable with said bOlt to hold the same in the latched position thereof, said bolt and said detent member including cam out detent shoulders formed to provide a substantial force component effective to cam said detent member out of engagement with said bolt upon forced rotation of the latter from the latched to the unlatched position thereof, magnet means magnetically operative to hold said detent member in engagement with said bolt in opposition to said cam out force component, and means selectively remotely operable to neutralize said magnet means to permit release of said detent member from said bolt under said cam out force component.
Claim 3
Dependent Claim
163 words
A remotely controllable vehicle-closure latch comprising a striker adapted to be mounted on one of a pair of relatively moveable vehicle body members, a latchbolt adapted to be rotatably mounted on the other of the body members for movement between a latched position in engagement with said striker and an unlatched position, a moveable detent member engageable with said bolt to hold the same in the latched position thereof, said bolt and said detent member including cam out detent shoulders formed to provide a substantial force component effective to cam said detent member out of engagement with said bolt upon forced rotation of the latter from the latched to the unlatched position thereof, permanent magnet means magnetically operative to hold said detent member in engagement with said bolt in opposition to said cam out force component, and electromagnet means selectively remotely operable to neutralize said magnet means to permit release of said detent member from said bolt under said cam out force component.
Claim 4
Dependent Claim
163 words
A remotely controllable vehicle-closure latch comprising a striker adapted to be mounted on one of a pair of relatively moveable vehicle body members, a latchbolt adapted to be rotatably mounted on the other of the body members for movement between a latched position in engagement with said striker and an unlatched position, a moveable detent member engageable with said bolt to hold the same in the latched position thereof, said bolt and said detent member including cam out detent shoulders formed to provide a substantial force component effective to cam said detent member out of engagement with said bolt upon forced rotation of the latter from the latched to the unlatched position thereof, permanent magnet means magnetically operative to hold said detent member in engagement with said bolt in opposition to said cam out force component, and electromagnet means selectively remotely operable to neutralize said magnet means to permit release of said detent member from said bolt under said cam out force component.
Claim 5
Dependent Claim
242 words
A remotely controllable vehicle closure-latch comprising a striker adapted to be mounted on one of a pair of relatively moveable vehicle body members, a latch frame adapted to be mounted on the other of said members, a latch bolt rotatably mounted on said frame for movement between a latched position in engagement with said striker and an unlatched position, a detent lever mounted on said frame for movement between a detenting position engageable with said bolt to hold the same in the latched position thereof and a released position, said bolt and said detent lever including cam out detent shoulders formed to provide a substantial force component effective to cam said detent lever out of engagement with said bolt upon forced rotation of the latter from the latched to the unlatched position thereof, a permanent magnet fixed to said detent lever, an electromagnet fixed to said frame proximate said permanent magnet and including a soft iron core and a magnetizing electrical coil arranged relative to the poles of said permanent magnet to cause magnetic repulsion between said permanent magnet and said core upon energization of said coil, the attraction between said permanent magnet and said core of said electromagnet being operative to hold said detent lever in the detenting position thereof in opposition to said cam out force component, and means for selectively energizing said coil to permit release of said detent lever from said bolt under said cam out force component.
Claim 6
Dependent Claim
242 words
A remotely controllable vehicle closure-latch comprising a striker adapted to be mounted on one of a pair of relatively moveable vehicle body members, a latch frame adapted to be mounted on the other of said members, a latch bolt rotatably mounted on said frame for movement between a latched position in engagement with said striker and an unlatched position, a detent lever mounted on said frame for movement between a detenting position engageable with said bolt to hold the same in the latched position thereof and a released position, said bolt and said detent lever including cam out detent shoulders formed to provide a substantial force component effective to cam said detent lever out of engagement with said bolt upon forced rotation of the latter from the latched to the unlatched position thereof, a permanent magnet fixed to said detent lever, an electromagnet fixed to said frame proximate said permanent magnet and including a soft iron core and a magnetizing electrical coil arranged relative to the poles of said permanent magnet to cause magnetic repulsion between said permanent magnet and said core upon energization of said coil, the attraction between said permanent magnet and said core of said electromagnet being operative to hold said detent lever in the detenting position thereof in opposition to said cam out force component, and means for selectively energizing said coil to permit release of said detent lever from said bolt under said cam out force component.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |