Patent US4235462A successfully refreshed from Google Patents.
US4235462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door locking apparatus for vehicles
Assignee: Aisin Corp
•
Filing: 1978-03-22
•
Granted: 1980-11-25
•
Expires: 1998-03-22
Abstract
Abstract A door locking apparatus which includes a striker member fixed to a vehicle body; a latch member rotatably supported in a main body of a door and engageable with the striker member; a pawl member urged in the direction of the latch member so as to engage with the latch member and limit the rotation of the latch member, wherein the pawl member is provided with an engaging groove at a contacting portion with the latch member; and a shock absorbing member fixedly inserted into the groove.
Inventors
- 👤 Nozomu Torii
- 👤 Yoshiaki Ishikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:43
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/36; E05B77/38; E05B85/00; E05B85/20; E05B85/24; E05B85/26; Y; Y10; Y10S; Y10S292/00; Y10S292/38; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
158 words
A door locking apparatus for vehicles, which comprises: a striker member fixed to a vehicle body; a latch member rotatably supported in a main body of a door and engageable with said striker member; at least one latch portion formed on the latch member; a pawl rotatably supported on the door and urged in the direction toward said latch member to engage the latch member and limit rotation thereof, said pawl having an irregularly shaped groove therein at the area of contact with the latch member; and a generally anvil-shaped body of resilient shock absorbing material fitted in said groove and retained in the groove by projecting portions thereof engaged in undercut parts of the groove, said shock absorbing body having an elongate surface defining a contact zone with the latch member and being stressed by dimensional differences between the shock absorbing body and the groove into an arcuate, convex configuration for smooth engagement with the latch member.
Claim 2
Dependent Claim
158 words
A door locking apparatus for vehicles, which comprises: a striker member fixed to a vehicle body; a latch member rotatably supported in a main body of a door and engageable with said striker member; at least one latch portion formed on the latch member; a pawl rotatably supported on the door and urged in the direction toward said latch member to engage the latch member and limit rotation thereof, said pawl having an irregularly shaped groove therein at the area of contact with the latch member; and a generally anvil-shaped body of resilient shock absorbing material fitted in said groove and retained in the groove by projecting portions thereof engaged in undercut parts of the groove, said shock absorbing body having an elongate surface defining a contact zone with the latch member and being stressed by dimensional differences between the shock absorbing body and the groove into an arcuate, convex configuration for smooth engagement with the latch member.
Claim 3
Dependent Claim
21 words
A door locking apparatus for vehicles as set forth in claim 1, wherein; said shock absorbing body includes a flexibility characteristic.
Claim 4
Dependent Claim
23 words
A door locking apparatus for vehicles as set forth in claim 1, wherein; said shock absorbing body is made of a plastic material.
Claim 5
Dependent Claim
27 words
A door locking apparatus for vehicles as set forth in claim 1 wherein: said shock absorbing means is supported solely by said groove in said pawl member.
Claim 6
Dependent Claim
54 words
A door locking apparatus for vehicles as set forth in claim 1, wherein: said at least one latch portion comprises at least a first half-latch projecting portion and a second full latch projecting portion formed on said latch member which directly contact said shock absorbing means for partially and fully latching said latch member.
References Cited (Backward Citations)
US2435987A
Cited
US2694591A
Cited
US2860905A
Cited
US3495863A
Cited
US3697105A
Cited
US4073519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-25 | 1984-05-26 | 1984-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-25 | 1988-05-26 | 1988-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-25 | 1992-05-26 | 1992-11-25 | $7700.00 | Window Closed / Lapsed |