Arrangement in vehicle safety belts of the three-point type

• US 4,573,708 A
• Filed: 01/17/1984
• Issued: 03/04/1986
• Est. Priority Date: 01/17/1983
• Status: Expired due to Fees

• Current Assignee: Safety Transport Inter Development AB Box
• Original Assignee: Safety Transport Inter Development AB
• Inventors: Brorsson, Tommy K. L.
• Primary Examiner(s): Peters, Jr., Joseph F.
• Assistant Examiner(s): Weaver, Ross
• Application Number:
  US06/571,469
• Time in Patent Office: 777 Days
• Field of Search: 280/801, 280/802, 280/804, 280/807, 280/808, 297/481, 297/482, 297/483, 297/486
• US Class Current: 280/801.2
• CPC Class Codes: B60R 22/202 the slider comprising spring-actuated locking means B60R22/205 takes precedence

Abstract

An arrangement in vehicle safety belts of the three-point type for adjusting stepwise the height of the anchoring fitting located at shoulder level at one side of the seat. The arrangement comprises a fixedly mounted guide rail having U-shaped cross-sectional form and edge flanges projecting towards each other, which define a longitudinal slot and form a number of recesses distributed along the slot, and a slide which is displaceable along the guide rail and comprises an engagement element and a lock element. The engagement element is displaceable in the transverse direction of the web of the guide rail for releaseable engagement with the recesses in a desired longitudinally displaced position under spring bias with the engagement element spanning the slot between the edge flanges. The anchoring fitting is arranged on the engagement element. The lock element is connected with an operation member available outside the guide rail to be operated manually and is displaceable in relation to the engagement element in the longitudinal direction of the guide rail guided by the guide rail in engagement with the web and edge flanges thereof. The engagement element is guided on the lock element to be disengageable from the recesses against the spring bias by displacement transversally of the web of the guide rail when the lock element is displaced in relation to the engagement element in the longitudinal direction of the guide rail.

Claims

1. An arrangement in vehicle safety belts of the three-point type for adjusting stepwise the height of the anchoring fitting located at shoulder level at one side of the seat, comprising a fixedly mounted guide rail having U-shaped cross-sectional form and edge flanges projecting towards each other, which define a longitudinal slot and form a plurality of recesses distributed along the slot, and a slide supporting the anchoring fitting, which is displaceable along the guide rail and has an engagement element displaceable in the transverse direction of the web of the guide rail for releasable engagement with the recesses in a desired longitudinally displaced position with the engagement element spanning the slot between the edge flanges, the engagement element being engaged with the recesses under spring bias and being disengageable from the recesses against the spring bias by means of an operation member arranged outside the guide rail to be operated manually, characterized in that the anchoring fitting is arranged on the engagement element and that the slide comprises a lock element connected with the operation member and displaceable in relation to the engagement element in the longitudinal direction of the guide rail, said lock element being guided for longitudinal displacement in the guide rail in engagement with the web and edge flanges thereof, the engagement element being guided on the lock element to be displaced transversally of the web of the guide rail by relative displacement in the longitudinal direction of the guide rail, said engagement element and the lock element being guided for relative displacement by at least one guide slot in one element and a guide pin engaging said slot on the other element, and said at least one guide slot having a straight portion to receive therein the guide pin under the spring bias with the teeth of the engagement element engaging the apertures in the edge flanges of the guide rail, and another portion angled in relation to said straight portion, for guiding the engagement element towards the web of the guide rail at relative displacement of the engagement element and the lock element against the spring bias.

2. An arrangement as claimed in claim 1, characterized in that the engagement element has a U-shaped cross-sectional form with the web facing the edge flanges of the guide rail, and embraces the lock element.

3. An arrangement as claimed in claim 2, characterized in that two guide pins are arranged between the side flanges of the U-shaped engagement element for cooperation with associated guide slots in the lock element.

4. An arrangement as claimed in claim 1, characterized in that a plurality of pairs of teeth are arranged on the engagement element.

5. An arrangement as claimed in claim 1, characterized in that the lock element is made of a plastic material.

6. An arrangement as claimed in claim 1, characterized in that the lock element has Ushaped cross-sectional form with the web thereof positioned against the web of the guide rail.

7. An arrangement as claimed in claim 6, characterized in that the web of the lock element forms a resilient tongue to be engaged with the web of the guide rail.

8. An arrangement in vehicle safety belts of the three-point type for adjusting stepwise the height of the anchoring fitting located at shoulder level at one side of the seat, comprising a fixedly mounted guide rail having U-shaped cross-sectional form and edge flanges projecting towards each other, which define a longitudinal slot and form a plurality of recesses distributed along the slot, and a slide supporting the anchoring fitting, which is displaceable along the guide rail and has an engagement element displaceable in the transverse direction of the web of the guide rail for releasable engagement with the recesses in a desired longitudinally displaced position with the engagement element spanning the slot between the edge flanges, the engagement element being engaged with the recesses under spring bias and being disengageable from the recesses against the spring bias by means of an operation member arranged outside the guide rail to be operated manually, characterized in that the anchoring fitting is arranged on the engagement element and that the slide comprises a lock element having a U-shaped cross-section with its web positioned against the web of the guide rail connected with the operation member and displaceable in relation to the engagement element in the longitudinal direction of the guide rail, said lock element being guided for longitudinal displacement in the guide rail in engagement with the web and edge flanges thereof, the engagement element being guided on the lock element to be displaced transversally of the web of the guide rail by relative displacement in the longitudinal direction of the guide rail, and said web of said lock element having a resilient tongue to engage the web of the guide rail.