Provided is a belt assist device having a compact configuration and being configured to move a seatbelt to an easily reachable position. A vehicle seat includes a belt assist device attached to a lateral portion of a seat back and configured to move a portion of a seatbelt placed on the lateral portion to the easily reachable position. The belt assist device includes a rotary member attached to a recessed housing portion of the lateral portion via a rotary shaft and configured to rotate up and down between a housing position at which the rotary member is housed in the seat back and a protruding position at which the rotary member rotates to protrude forward of the seat back to push out a portion of the seatbelt. The rotary member is disposed forward of a belt guide provided at the periphery of an upper end of the seat back.

A belt buckle feeder comprises a base (12) adapted to be fixedly attached to the vehicle and a carriage (14) being movably supported on the base (12) to which carriage a belt buckle (20) can be coupled and which can be moved by a drive arranged on the base (12). The drive includes an electric motor (26) and a worm gear comprising a worm shaft (34) which has a worm (36) as well as drive spur wheel teeth (40), with the shaft (28) of the electric motor (26) including a pinion (30) which is engaged in the drive spur wheel teeth (40) and drives the worm shaft (34).

A belt buckle feeder comprises a base (12) adapted to be fixedly attached to the vehicle and a carriage (14) being movably supported on the base (12) to which carriage a belt buckle (20) can be coupled and which can be moved by a drive arranged on the base (12). The drive includes an electric motor (26) and a worm gear comprising a worm shaft (34) which has a worm (36) as well as drive spur wheel teeth (40), with the shaft (28) of the electric motor (26) including a pinion (30) which is engaged in the drive spur wheel teeth (40) and drives the worm shaft (34).

The present invention describes a restraining system (20) for a seat belt buckle (22) comprising: a housing (44), a motor (24), a set of gears (25, 26, 28, 30), locking mechanism (46, 48, 50), and a controlling unit (41); the restraining unit is mounted on the housing (44) for providing restraining force to the seat belt buckle (22); the restraining unit comprises at least one motor; the set of gears (25, 26, 28, 30) are mounted on the housing (44) and connected with the at least one motor (24) for providing either first direction motion or second direction motion to the seat belt buckle (22), on receiving the restraining force; the locking mechanism is mounted on the housing (44) for controlling rotation of one or more gears from the set of gears (25, 26, 28, 30); the controlling unit is operatively connected with the restraining unit and the locking mechanism, the controlling unit (41) is configured for controlling operation of the motor (24) and the locking mechanism, based on a predefined instruction.

The present invention describes a restraining system (20) for a seat belt buckle (22) comprising: a housing (44), a motor (24), a set of gears (25, 26, 28, 30), locking mechanism (46, 48, 50), and a controlling unit (41); the restraining unit is mounted on the housing (44) for providing restraining force to the seat belt buckle (22); the restraining unit comprises at least one motor; the set of gears (25, 26, 28, 30) are mounted on the housing (44) and connected with the at least one motor (24) for providing either first direction motion or second direction motion to the seat belt buckle (22), on receiving the restraining force; the locking mechanism is mounted on the housing (44) for controlling rotation of one or more gears from the set of gears (25, 26, 28, 30); the controlling unit is operatively connected with the restraining unit and the locking mechanism, the controlling unit (41) is configured for controlling operation of the motor (24) and the locking mechanism, based on a predefined instruction.

An advanced four-point seat belt may include: a three-point seat belt to diagonally hold a passenger with a webbing; and a motorized seat belt to allow a tongue of the webbing to maintain a state of being fixed to a side surface of a seat cushion to an initial position. In particular, when a vehicle collision situation is recognized, the motorized seat belt forms an “X” shape webbing confinement state by withdrawing the webbing and another webbing to locate the tongue at a central position of a body of the passenger.

An advanced four-point seat belt may include: a three-point seat belt to diagonally hold a passenger with a webbing; and a motorized seat belt to allow a tongue of the webbing to maintain a state of being fixed to a side surface of a seat cushion to an initial position. In particular, when a vehicle collision situation is recognized, the motorized seat belt forms an “X” shape webbing confinement state by withdrawing the webbing and another webbing to locate the tongue at a central position of a body of the passenger.

Provided is a belt assist device having a compact configuration and being configured to move a seatbelt to an easily reachable position. A vehicle seat includes a belt assist device attached to a lateral portion of a seat back and configured to move a portion of a seatbelt placed on the lateral portion to the easily reachable position. The belt assist device includes a rotary member attached to a recessed housing portion of the lateral portion via a rotary shaft and configured to rotate up and down between a housing position at which the rotary member is housed in the seat back and a protruding position at which the rotary member rotates to protrude forward of the seat back to push out a portion of the seatbelt. The rotary member is disposed forward of a belt guide provided at the periphery of an upper end of the seat back.

Provided is a belt assist device having a compact configuration and being configured to move a seatbelt to an easily reachable position. A vehicle seat includes a belt assist device attached to a lateral portion of a seat back and configured to move a portion of a seatbelt placed on the lateral portion to the easily reachable position. The belt assist device includes a rotary member attached to a recessed housing portion of the lateral portion via a rotary shaft and configured to rotate up and down between a housing position at which the rotary member is housed in the seat back and a protruding position at which the rotary member rotates to protrude forward of the seat back to push out a portion of the seatbelt. The rotary member is disposed forward of a belt guide provided at the periphery of an upper end of the seat back.

A seat belt for an occupant sitting on a seat in a vehicle includes a tongue part provided at a first side portion of the seat and a buckle part provided at a second side portion of the seat. The tongue part includes at least one first guide part that is operable between extended and contracted configurations, and at least one first webbing with a tongue wound therein. In addition, the tongue of the first webbing is connected with an end portion of the first guide part. The buckle part includes a second guide part that is operable between extended and contracted configurations, and the second webbing with a buckle wound therein. In addition, the buckle of the second webbing is connected with an end portion of the second guide part. The tongue of the tongue part is fastened to the buckle of the buckle part.