Vehicle seat and headrest arrangement

• US 5,795,019 A
• Filed: 04/11/1997
• Issued: 08/18/1998
• Est. Priority Date: 10/09/1996
• Status: Expired due to Term

• Current Assignee: Lear Corporation
• Original Assignee: Delphi Automotive Systems LLC (BorgWarner Incorporated)
• Inventors: Wieclawski, Stanislaw Andrzej
• Primary Examiner(s): Nelson, Jr., Milton
• Application Number:
  US08/827,812
• Time in Patent Office: 494 Days
• Field of Search: 297/391, 297/404, 297/408, 297/216.12, 297/216.13, 297/216.14, 297/216.1, 297/284.1
• US Class Current: 297/216.12
• CPC Class Codes: B60N 2/2222 the back-rest having two or more parts
• CPC Class Codes: B60N 2/838 Tiltable
• CPC Class Codes: B60N 2/888 with arrangements for protecting against abnormal g-forces, e.g. by displacement of the head-rest

Abstract

A vehicle seat and headrest arrangement (7) comprising a seat back frame (2) having an upper part (24) and a lower part (26), the upper part including a cross-frame member (4), and the lower part including at least a lower portion (28) of a pair of spaced side members (22); a headrest (6) mounted on the cross-frame member; an impact plate (42) positioned between the side members of the lower part and secured to the upper part; pivot hinges (32) connecting the upper part with the lower part and defining a pivot axis (38) about which the upper part and the headrest can pivot in a forward direction, and the impact plate can pivot in a rearward direction, from a normal position; and a spring device (40) biasing the upper part, the headrest and the impact plate to their normal position. The upper part of the seat back and the headrest both pivot towards a vehicle occupant during a rear impact on the vehicle.

Claims

1. A vehicle seat and headrest arrangement comprising a seat back frame having an upper part and a lower part, the upper part of the seat back frame comprising a cross-frame member and an upper portion of a pair of spaced side members, and the lower part of the seat back frame including at least a lower portion of the pair of spaced side members;

a headrest mounted on the cross-frame member;

an impact plate positioned between the side members of the lower part and secured to the upper part;

pivot hinges connecting the upper part with the lower part and defining a pivot axis about which the upper part and the headrest can pivot in a forward direction, and in which the impact plate can pivot in a rearward direction, from a normal position; and

spring means biasing the upper part, the headrest and the impact plate to their normal position.