Autoliv Development Ab

General Engineering (netherlands) B.v.

Autoliv Aktiebolag

Tommy Andersson

Timothy Barnett

Lars Y Haland

Lennart Eksell

A vehicle seat comprises an inner framework, the inner framework defining a first portion ( ) to be received within the squab of the seat and the second portion ( ) to be received within the back of the seat. The second portion ( ) is mounted on the first portion ( ) for rearward pivotal movement about a predetermined pivotal axis ( ). Connected between an element ( ) which moves in response to movement of the second portion of the framework ( ) and the first portion of the framework ( ) is an element that provides a mechanical advantage, in the form of a lever arm ( ) and a damper in the form of a gas springs ( ). The mechanical advantage provided by the lever arm element ( ) changes as the second portion of the framework ( ) pivots rearwardly about the pivot axis ( ). Thus, in a rear impact, an occupant of the seat is given a gradual acceleration.

Vehicle seat

A vehicle seat, the seat comprises a squab and a back. The back is mounted for pivotal movement, relative to the squab, about a predetermined pivotal axis ( ). The back is provided with a frame ( ) supporting a head-rest, the said frame is movable between a lower position and an upper position. The head-rest carried by the frame ( ) is located a greater distance from the top of the back of the seat when the frame ( ) is in the elevated position. Means are provided to move the frame ( ) from the lower position to the upper position in response to said rearward pivotal movement of the back of the seat about the predetermined pivotal axis ( ).

Seat belt buckle arrangement

A retractor reel for a vehicle safety belt has a sensor responsive to the speed or acceleration of belt withdrawal to actuate a reel locking mechanism and also has a sensor responsive to vehicle acceleration or deceleration to actuate the locking mechanism. A solenoid actuated device is provided to retain both the sensors in the inoperative position. The reel can thus safely be used in an automatic seat belt arrangement of the type in which a carriage moves withdrawing belt from the reel to locate the belt in the operative position.

Seat belt retractor reel

A retractor reel assembly for vehicle safety belt has a rotatable reel which automatically winds in the safety belt when it is not in use, and has a locking arrangement, which is normally in the locked condition. A sensor senses the acceleration or deceleration of the vehicle and the locking means are adapted to be released in response to the withdrawal or attempted withdrawal of a length of safety belt when the acceleration or deceleration of the vehicle is within a predetermined limit. If the acceleration or deceleration of the vehicle is outside the predetermined limit the reel is retained in the locked condition.

Reel for vehicle safety belt

Optical sensing device having a through-hole for a movable inertia body

A retractor reel for vehicle safety belts of the type in which the belt is automatically wound onto a rotatably supported shaft, when the belt is not used, comprises a first locking means and a second locking means, one of which being attached to the support and the other being attached to the rotatable shaft. One of the locking means is movable and arranged to be moved between an idle position, in which it does not engage with the other locking means, and an operative position, in which it engages with the other locking means for locking the shaft. The two locking means are positioned at one end of the rotatable shaft, and two further locking means are positioned at the opposite end of the shaft, where the shaft is supported by a bearing which is arranged to yield, when the shaft is heavily loaded. When the bearing yields, the two further locking means will engage with each other to lock the end of the shaft, so that the shaft will be locked at both ends when heavily loaded. This will increase the strength of the support.

Retractor reel for a vehicle safety belt

Locking device for vehicle safety belts

A retractor reel for a vehicle safety belt comprising a shaft rotatably mounted on a support adapted automatically to wind a safety belt when the belt is not in use and incorporating means for locking the shaft to prevent the belt being withdrawn from the retractor reel under certain conditions, said locking means comprising stop abutment means on said support and at least one locking pin which extends through an aperture in the shaft, substantially diametrically across the shaft, substantially perpendicularly to the longitudinal axis of the shaft, the locking pin being axially movable between a retracted position and an extended locking position, the locking pin, when in the locking position, having an engagement end extending out of the shaft on one side thereof to cooperate with a stop abutment means provided on the support to prevent rotation of the shaft, the opposite end of the locking pin engaging the shaft on the other side of the axis of the shaft that is remote from the engagement end of the locking pin, there being a control disk rotatably mounted on the shaft for controlling movement of the locking pin.

Growing community of inventors

Alingsas, Sweden

Tommy Andersson