Abstract: This latch comprises a case (1) integral with a first part (2) of the vehicle, in which case is disposed a bolt (3), and a keeper (4) integral with a second part (5) of the vehicle and adapted to cooperate with the bolt. The first and second parts of the vehicle are relatively movable and the bolt (3) is mounted to be movable between a position for releasing the keeper and a position for locking the latter in the case (1). The bolt comprises means (6) for hooking the keeper and is mounted to be movable along a path roughly parallel to the path of displacement of the keeper (4) in the vicinity of the case (1), between a position (A) for hooking the keeper, the hooking being achieved by the user shifting the movable part of the vehicle, and the position (B) for locking the keeper, through actuating means (7) actuated in one direction by means detecting the presence of the keeper in the hooking position (A) and, in the other direction, by means detecting the actuation of the bolt unlocking means.

Abstract: The fan comprises a volute housing (10) in which is disposed a ventilation wheel (11) connected to a driving motor (12). The wheel has a series of vanes (13) extending in a direction roughly parallel to the axis of rotation (X--X) of the wheel from a bowl (14) connecting the vanes to the driving motor to an edge portion (15) of an air intake (16) defining with the bowl a space for a fluid stream. The confronting surfaces of the bowl and the edge portion of the air intake, at least to the inner edges of the vanes, are generated by rotation of parallel sections of curves about the axis of rotation (X--X).

Abstract: A latch of the type having a case (1) integral with a first part (2) of the vehicle in which is disposed a bolt (3) associated with a locking and/or unlocking mechanism (4), and a keeper (5) integral with a second part (6) of the vehicle and adapted to cooperate with the bolt, one of the first and second parts of the vehicle being movable relative to the other, and the bolt being mounted to be pivotable between a position for releasing and a position for locking the keeper.

Abstract: The barrel comprises a pre-stressed spiral spring which arms the barrel and further comprises a housing (100), a rotatable hub (200) and the spring (300) which is wound around the hub and anchored to the latter and to the housing. The barrel includes between the hub and the housing an anti-return device (400) which allows a relative rotation between the hub and the housing in only a single direction but is so arranged as to be movable between a first position in which it allows said relative rotation in only the single direction and a second position in which it allows rotation in both directions. The device is accessible from outside the housing for the purpose of shifting the device from one to the other of its positions. The barrel is particularly useful in ground motor vehicle safety belt winders.

Abstract: This return tightener comprises a force accumulating device (1) which may be actuated in response to the detection of a sudden deceleration of the vehicle and is connected to a device (2) for driving a device (3) for rotationally actuating a shaft (4) of the winder, the driving device comprising a flexible driving element (9). This tightener is characterized in that the actuating device comprises a split elastically yieldable ring (5) disposed around a portion of the shaft and around which is wound a reserve portion of the flexible driving element (9), and an abutment element (6) is provided interposed between the two edges of the ring (5) to permit a free rotation of this portion of the shaft in this ring in normal operation of the winder.

Abstract: This buckle, which is particularly for automobile safety belts and is intended to fix in a movable manner a side thereof to a fixed point in the body of the vehicle, comprising a hook assembly and a bolt (19) which is connected to the side to be fixed, with the hook assembly comprising, housed in a housing (1), a body (4) intended to be fixed to a holding means which is connected to the vehicle and which defines a passage and a sliding plane for said bolt, means for locking the bolt in the buckle, means for releasing the bolt and means for ejection thereof, is characterized in that the locking means are composed of a part (17) projecting from the body (4) extending into said passage, intended to be engaged into a cavity (20) of the bolt (19), in the locked position, and in that holding means (7) are provided for holding the bolt (19) in the locked position on said projecting part (17) of body (4).

Abstract: Storage device for a drive band, particularly of a passive safety belt for a motor vehicle, the said drive band (2) passing over a drive member (3) actuated by an electric motor (4), characterized in that it is formed by a cassette (7) containing the said drive member (3) of the band, in which cassette is provided a guide passage (13) for the band (2) rolling up on itself from the periphery of the cassette (7).

Abstract: This buckle is characterized by a device stressing a locking member (5) towards its locking position and a device for ejecting a bolt consist of a first elastic element (20), one end of which intended to interact with the bolt when it is inserted or ejected from the buckle, and the other end of which bears against the first bearing surface of the locking member, and by a device stressing the locking member towards its release position consistent of a second elastic element (21), one end of which bears against the body (4) of the buckle and the other end of which bears against a second bearing surface of the locking member. The first and second bearing surfaces are formed opposite one another on either side of a tongue (13) of the locking member.

Abstract: The blade has an axis (.GAMMA.) which is the locus of the thrust centers (C) of its cross-sections parallel to its foot (13) which has a connecting point (I) between an abyssal arc (.gamma..sub.1) whose concavity faces toward the leading edge (11) and a summit arc (.gamma..sub.2) whose concavity faces toward the trailing edge (12) of the blade.

Abstract: This anchoring device, in which a maintaining member is disposed between a guiding rail (5) and a device for driving a slidable unit including a tongue, comprises a case (25) having a front side (26) in which is provided a slot (27) through which the tongue projects and of which the edges define two bearing surfaces adapted to cooperate with the tongue so as to withstand tensile forces exerted on the tongue. This device further comprises a device (32) for locking the slidable unit in an active position, adapted to prevent the displacement of the unit in a direction parallel to the guiding and retaining rail (5).

Abstract: The winder is of the type comprising a support structure (1) in which is rotatively mounted a reel connected to safety and locking means for the strap (5) and to means (4) for returning the strap to the position in which it is wound on the reel. The return means comprise a cylindrical housing (6) which is mounted to be rotatable about the axis of rotation of the reel and in which is disposed a spiral spring (7) for putting the strap (5) under tension. The spring has one end fixed to the shaft of rotation of the reel and the other end mounted on the housing (6). The housing (6) cooperates with an intermediate pinion (10) which is meshed with a pinion (11) fixed to the output shaft of an electric motor (12).

Abstract: The device for adjusting the position of a strap return relement (1) of a safety belt, in particular for a motor vehicle, in which the strap return element is mounted to be movable between two end positions in a guide rail (3), comprises actuating means (4) for driving in both directions of rotation a drum (6), around which there is wound a connecting element (7) whose two ends are connected to the vehicle, through coupling means (8) around which there is disposed the strap return element (1) so as to shift the latter to any point of an adjustment travel defined by said two end positions, and the coupling means comprising means (13) for preventing the rotation of the drum when a force is exerted on the strap return element.

Abstract: In this device for adjusting the position of a strap return element of in particular a safety belt for a motor vehicle, the strap return element is mounted to be movable between two end positions by driving means comprising an electric motor (5) supplied with current by means of a control element (2) controlling the position of the strap return element at any point of the travel of the strap return element defined by the two end positions. The strap return element is disposed on an anchoring pin (4) mounted on the electric motor (5). This motor is mounted to be movable axially between the two end positions.

Abstract: This winding mandrel, especially for a safety strap, comprises a plastic winding body moulded on a metal insert (1) which has a slot (2) for the passage of one end of the strap. The insert (1) consists of a piece which has a cross-section with multiple branches (3b, 3c) arranged symmetrically in relation to the axis of the said mandrel. This piece is composed of two elements (3,4), each comprising a core (3a) and flared wings (3b, 3c), these elements being fastened to one another by means of their cores.

Abstract: This guiding rail (5) comprises at least in its part for guiding a slidable element comprising a bolt cooperating with a safety belt buckle, two lateral guiding portions (5b, 5c) for the displacement of the slidable element. These two portions are disposed on each side of a slot (5d) through which the bolt projects. This rail is also formed by a bearing portion (5a) for the slidable element disposed in facing relation to said slot. These lateral portions (5b, 5c) and this bearing portion (5a) are in the shape of semi-circular lobes.

Abstract: This buckle comprises, housed in a casing (1), a body (4), a member for locking (5) a bolt, a sliding block (10) mounted in the body so as to be capable of travelling in the direction of travel of the bolt and which cooperates with a spring (12) for ejecting the bolt, another spring (16) pressing the locking member towards its position in which the bolt is locked, and a member for producing (6) unlocking for moving the locking member towards its position in which the bolt is unlocked. The sliding block (10) is mounted so that it can travel between a forward position, in which a first bearing surface of the locking member (5) bears against the sliding block (10), corresponding to the position in which the bolt is unlocked, and a rear position, in which the locking member has oscillated relative to the body so that a second bearing surface of the locking member bears against this sliding block, this rear position of the sliding block corresponding to the position in which the bolt is locked.

Abstract: The safety belt winder comprises a base (1) in which is rotatively mounted a strap-carrying reel (4), a strap-return spring device (28), and safety and locking means for the belt (S) responsive to a sudden pulling force exerted on the belt. The base (1) has a tubular shape and the reel (4) is rotatively mounted inside this base and journalled in end side walls (18, 30) mounted on the base and carrying respectively the return spring device (28) and the safety and locking means (10, 15, 16, 17).

Abstract: This buckle, which is intended in particular for the safety belt of a motor vehicle, has a housing (1) inside which there is located a body (4) intended to be fixed to a retaining means integral with the vehicle, a locking member (5) intended to keep the latch in a locked position, and a lock release member (6). The locking member (5) is mounted inside the said body (4) so as to oscillate and be displaceable between a position where the said latch is locked and a position where the latter is released and has at its ends means intended to co-operate with stopping surfaces of the body (4) and of the latch via the action of a destabilizing device (16).

Abstract: This buckle comprises, housed in a casing (1), a body (4), a member for locking (5) a bolt, a sliding block (12) mounted in the said body so as to be capable of travelling in the direction of travel of the bolt and which cooperates with resilient means for ejecting the bolt, means pushing the locking member towards its position in which the bolt is locked, and means for producing (6) unlocking for moving the locking member towards its position in which the bolt is unlocked. This buckle is characterized in that the resilient means for ejecting the bolt and the means pushing the locking member (5) towards its locking position consist of a spring (14) inserted between the sliding block (12) and the locking member (5).

Abstract: This device for transmitting data, coming from a plurality of control elements (8 to 11) mounted on a steering wheel of a motor vehicle, to a system recognizing the data and also mounted on the vehicle, comprises light sources (12 to 15) mounted on the steering wheel and respectively connected to the control elements. The light sources are disposed in such manner as to cooperate with annular means (16 to 19) coaxial with the steering wheel for transmitting light to photosensitive detectors (30 to 33) mounted on the vehicle and adapted to actuate loads corresponding to the actuated control elements, irrespective of the position of the light sources relative to the photosensitive detectors.