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US 5,970,587 AGranted
Seat belt buckle
AssigneeAutoliv Development AB
InventorMatthew J. Knox
Life of this patent
Estimating the term…
Abstract
A buckle for receiving and locking a tongue connected to a vehicle safety belt, the buckle comprising: a locking element for locking a tongue to the buckle; a sensor to sense locking of the tongue to the buckle; and an indicator arrangement actuable by an output of the sensor to indicate whether the buckle is in a locked or an unlocked condition.
Claims16
A buckle for receiving and locking a tongue connected to a vehicle safety belt, the buckle comprising:
- a housing with an entrance for receiving the tongue to be locked;
- at least one light-emitting device located in the housing to illuminate said entrance;
- a locking element for locking the tongue to the buckle;
- a sensor to sense locking of the tongue to the buckle, said locking element and said sensor being positioned in the housing;
- and
- an indicator arrangement being actuated by an output of the sensor to indicate whether the buckle is in a locked or an unlocked condition.
3 more elements
A buckle for receiving and locking a tongue, the buckle comprising a housing with at least one position which is at least partially transparent, the housing containing:
- a locking element for locking a tongue to the buckle;
- a sensor to sense locking of the tongue to the buckle;
- two light emitting devices, a first light emitting device actuable by an output of the sensor to indicate that the buckle is in a locked condition and a second light emitting device being actuable by an output of the sensor to indicate that the buckle is in an unlocked condition;
- and wherein the buckle has an entrance into which the tongue is to be inserted to be locked to the buckle, the second light emitting device, upon actuation, illuminating the entrance.
1 more element
Dependencies are inferred from the claim text.