Patent US3866944A successfully refreshed from Google Patents.
US3866944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for seat belt for vehicles
Assignee: Mitsubishi Motors Corp
•
Filing: 1973-05-03
•
Granted: 1975-02-18
•
Expires: 1993-05-03
Abstract
Abstract A locking device for a seat belt releasably binding the passenger to the seat in a vehicle, in which a seat belt retractor carrying one end portion of the seat belt is disposed in the vehicle door or compartment, and means for automatically locking and unlocking the seat belt retractor in interlocking relation with the closure and opening of the vehicle door are provided so that the passenger can be reliably bound to the seat in response to the closure of the door and released from the state of binding in response to the opening of the door.
Inventors
- 👤 Kuniyuki Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:59
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
183 words
A locking device for a seat blet releasably binding the body of the passenger to the seat in a vehicle having a striker mounted on the vehicle body comprising a seat belt retractor for releasably holding one end portion of said seat belt, said seat belt retractor including a shaft hving a retracting direction, an automatic locking wheel having a plurality of tooth portions and mounted firmly on said shaft, a locking lever pivoted at substantially the central portion thereof to the door by a pin and having an engaging end portion engageable with said tooth portions of said automatic locking wheel, a return spring associated with said locking lever for normally biasing said engaging end portion of said locking lever toward said automatic locking wheel, a release lever engageable at one end portion thereof with the other end portion of said locking lever, a ratchet wheel rotatable in unitary relation with a latch wheel engageable with the striker mounted on the vehicle body, and a rod connecting the other end portion of said release lever to a portion of said ratchet wheel.
Claim 2
Dependent Claim
183 words
A locking device for a seat blet releasably binding the body of the passenger to the seat in a vehicle having a striker mounted on the vehicle body comprising a seat belt retractor for releasably holding one end portion of said seat belt, said seat belt retractor including a shaft hving a retracting direction, an automatic locking wheel having a plurality of tooth portions and mounted firmly on said shaft, a locking lever pivoted at substantially the central portion thereof to the door by a pin and having an engaging end portion engageable with said tooth portions of said automatic locking wheel, a return spring associated with said locking lever for normally biasing said engaging end portion of said locking lever toward said automatic locking wheel, a release lever engageable at one end portion thereof with the other end portion of said locking lever, a ratchet wheel rotatable in unitary relation with a latch wheel engageable with the striker mounted on the vehicle body, and a rod connecting the other end portion of said release lever to a portion of said ratchet wheel.
Claim 3
Dependent Claim
41 words
A locking device for a seat belt as in claim 1 and comprising a solenoid including an armature engaging said other end portion of said locking lever to retain said locking lever in a predetermined released position under normal operating conditions.
Claim 4
Dependent Claim
66 words
A locking device as in claim 2 where power means connect to said solenoid and said power means include a gravity actuated sensor to change power supply to said solenoid when said sensor is actuated to operatively move said locking lever to position its said engaging end portion in engagement with said tooth portion of said automatic locking wheel and prevent movement of the seat belt.
Claim 5
Dependent Claim
39 words
A locking device as in claim 1 including a pivotal emergency release lever operatively engaging the other end portion of said locking lever to move said locking lever to a release position when said emergency release lever is actuated.
Claim 6
Dependent Claim
67 words
A locking device as in claim 1 where the device is mounted in a vehicle door having an inside door handle, an open lever operatively connects to the said ratchet wheel, and means connect said open lever to said inside door handle to move said ratchet wheel and said rod to release said locking lever upon movement of said inside door handle to a door open position.
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) | 1978-02-17 | 1978-08-19 | 1979-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-17 | 1982-08-19 | 1983-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-17 | 1986-08-19 | 1987-02-18 | $7700.00 | Window Closed / Lapsed |