US3799596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety apparatus for vehicle door latches
Assignee: Aisin Corp
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Filing: 1973-02-16
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Granted: 1974-03-26
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Expires: 1993-02-16
Abstract
Abstract A safety apparatus for a vehicle door latch comprising a weight element swingably assembled within the door latch for converting external force given to the door latch into displacements of the weight element, and a blocking element installed within the door latch, the blocking element being engaged with the weight element for holding the locking condition of the door latch when the weight element is displaced.
Inventors
- 👤 T Nozomu
- 👤 K Nobuyuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:33
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/02; E05B77/04; E05B77/06; Y; Y10; Y10S; Y10S292/00; Y10S292/22; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
129 words
A safety apparatus for a vehicle door latch having a mounting plate secured on the side edge of a vehicle door, a spring loaded latch member pivoted on said mounting plate for holding a striker element secured on the vehicle body during the door closure, a spring loaded locking lever pivoted on said mounting plate for holding the locking position of said latch member and means for releasing the locking position of said locking lever, comprising a weight element swingably mounted on said locking lever for converting external force given to the door latch into displacements of said weight element, and a blocking element secured on said mounting plate and being engageable with said weight element in its displaced position for holding the locking position of said locking lever.
Claim 2
Dependent Claim
129 words
A safety apparatus for a vehicle door latch having a mounting plate secured on the side edge of a vehicle door, a spring loaded latch member pivoted on said mounting plate for holding a striker element secured on the vehicle body during the door closure, a spring loaded locking lever pivoted on said mounting plate for holding the locking position of said latch member and means for releasing the locking position of said locking lever, comprising a weight element swingably mounted on said locking lever for converting external force given to the door latch into displacements of said weight element, and a blocking element secured on said mounting plate and being engageable with said weight element in its displaced position for holding the locking position of said locking lever.
Claim 3
Dependent Claim
47 words
A safety apparatus for a vehicle door latch as claimed in claim 1, wherein said weight element is mounted perpendicularly on said locking lever and includes a weight portion, a connecting portion extended upward from said weight portion and an upper arm engageable with said blocking element.
Claim 4
Dependent Claim
28 words
A safety apparatus for a vehicle door latch as claimed in claim 2, wherein said weight element is journalled swingably on an axis secured on said locking lever.
Claim 5
Dependent Claim
62 words
A safety apparatus for a vehicle door latch as claimed in claim 3, wherein said axis is provided with a spheric convexity at its top end and said connecting portion of said weight element has thereon a spheric concavity corresponding with said convexity of said axis, said convexity and said concavity forming an universal joint between said weight element and said axis.
Claim 6
Dependent Claim
62 words
A safety apparatus for a vehicle door latch as claimed in claim 1, wherein said blocking element is formed in a cup shape with a hole at the center thereof, the top end of said weight element being normally allowed to pass through said hole and being engaged with the side wall of said blocking element when said weight element is displaced.
Claim 7
Dependent Claim
26 words
A safety apparatus for a vehicle door latch as claimed in claim 5, wherein said blocking element is secured on a flange of said moUnting plate.
Claim 8
Dependent Claim
129 words
A safety apparatus for a vehicle door latch having a mounting plate secured on the side edge of a vehicle door, a spring loaded latch member pivoted on said mounting plate for holding a striker element secured on the vehicle body during the door closure, a spring loaded locking lever pivoted on said mounting plate for holding the locking position of said latch member and means for releasing the locking position of said locking lever, comprising a weight element swingably mounted on said mounting plate for converting external force given to the door latch into displacements of said weight element, and a blocking element secured on said locking lever and being engageable with said weight element in its displaced position for holding the locking position of said locking lever.
Claim 9
Dependent Claim
129 words
A safety apparatus for a vehicle door latch having a mounting plate secured on the side edge of a vehicle door, a spring loaded latch member pivoted on said mounting plate for holding a striker element secured on the vehicle body during the door closure, a spring loaded locking lever pivoted on said mounting plate for holding the locking position of said latch member and means for releasing the locking position of said locking lever, comprising a weight element swingably mounted on said mounting plate for converting external force given to the door latch into displacements of said weight element, and a blocking element secured on said locking lever and being engageable with said weight element in its displaced position for holding the locking position of said locking lever.
Claim 10
Dependent Claim
61 words
A safety apparatus for a vehicle door latch as claimed in claim 7, wherein said weight element is mounted perpendicularly on a flange of said mounting plate and includes a weight portion, a connecting portion extended upward from said weight portion and a top portion having a larger diameter than that of said connecting portion and engageable with said blocking element.
Claim 11
Dependent Claim
30 words
A safety apparatus for a vehicle door latch as claimed in claim 8, wherein said weight element is journalled on an axis secured on said flange of said mounting plate.
Claim 12
Dependent Claim
62 words
A safety apparatus for a vehicle door latch as claimed in claim 9, wherein said axis is provided with a spheric convexity at its top end and said connecting portion of said weight element has thereon a spheric concavity corresponding with said convexity of said axis, said convexity and said concavity forming an universal joint between said weight element and said axis.
Claim 13
Dependent Claim
69 words
A safety apparatus for a vehicle door latch as claimed in claim 8, wherein said blocking element is secured on said locking lever and is formed in a cup shape with a hole at the center thereof, the top portion of said weight element being normally allowed to pass through said hole and being engaged with the side wall of said blocking element when said weight element is displaced.
References Cited (Backward Citations)
US3104124A
Cited
US3719248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |