Seat belt guiding construction

摘要

There is provided a seat belt guiding construction capable of regulating the longitudinal and transverse movement of a seat belt.;In a seat belt guiding construction including a retractor 12 for a seat belt, which is installed in a seat back 2; a belt guide portion 13 for a seat belt 5, which is disposed in an upper end portion of the seat back 2; and a seat belt cover 11 which is mounted at a belt takeout port 6 for taking the seat belt 5 out of the seat back 2, the belt guide portion 13 is made up of a front guide portion 8b for guiding the front surface of the seat belt 5, side guide portions 9c for guiding the side of the seat belt 5, and a rear guide portion 9b for guiding the rear surface of the seat belt 5; a slit 9a through which the seat belt 5 passes into the guide is formed in the side guide portion 9c or the rear guide portion 9b; and the attachment portion for the seat belt cover 11 is formed in the belt guide portion 13.

主权项

1. A guiding construction for a seat belt, comprising:
a seat belt retractor (12) disposed in a seat back (2), the seat back having an upper frame (4); a belt guide portion (13) disposed in an upper end portion of the seat back for guiding a seat belt (5) extending from the seat belt retractor (12) such that the seat belt (5) passes out of the seat back (2) through a belt takeout port (6); and a cover (11) attached to the belt guide portion (13), the cover (11) defining the belt takeout port (6) and covering the belt guide portion (13) around the belt takeout port (6); wherein the belt guide portion (13) includes:
a cover bracket (7) fixed to the upper frame (4) and having an attachment portion (7b) for removably attaching to the cover (11);a belt guide bar (8) fixed to the upper frame (4), the belt guide bar (8) comprising a first rod-shaped member defining a first guide portion (8b) for guiding a first face of the seat belt; anda belt guide (9) fixed to the belt guide bar (8), the belt guide (9) comprising a second rod-shaped member defining two side guide portions (9c, 9c) for guiding edges of the seat belt (5) and a second guide portion (9b) for guiding a second face of the seat belt (5) opposite to the first face; wherein the seat belt passes through an opening defined by the first guide portion (8b) of the belt guide bar (8) and the two side guide portions (9c, 9c) and the second guide portion (9b) of the belt guide (9), the opening having substantially the same width as the seat belt (5); wherein the second guide portion (9b) of the belt guide comprises two spaced-apart opposing members (9b, 9b) defining a gap (9a) therebetween, the gap (9a) providing a passage for introducing the seat belt (5) to the opening; wherein the belt guide (9) is disposed substantially on a first side of the belt guide bar (8), the attachment portion (7b) of the cover bracket (7) being disposed substantially on a second side of the belt guide bar (8) opposite the first side; wherein the cover (11) includes an engagement member (11a) configured to engage the attachment portion (7b) at a backside thereof and an engagement claw (11b) configured to engage the second guide portion (9b) of the belt guide (9); wherein a portion of the belt takeout port (6) defined by the cover (11) is located between the engagement member (11a) and the engagement claw (11b); wherein the portion of the belt takeout port (6) defined by the cover (11) has a transverse edge, and wherein a second gap (11c) providing a second passage for introducing the seat belt (5) to the belt takeout port (6) is defined in the cover (11), the second gap (11c) extending from the transverse edge to an outer edge of the cover (11); and wherein the cover (11) is arranged so that the transverse edge extends along a transverse portion (8b) of the belt guide bar (8) and the transverse edge is disposed substantially on the second side of the belt guide bar (8).