ADJUSTABLE RECLINING SEAT

• US 3,695,570 A
• Filed: 10/19/1970
• Issued: 10/03/1972
• Est. Priority Date: 10/22/1969
• Status: Expired due to Term

• Current Assignee: Hideo Ishida
• Original Assignee: Hideo Ishida
• Inventors: Ishida, Hideo
• Primary Examiner(s): Parsons, Jr., Marion
• Application Number:
  US05/081,806
• Time in Patent Office: 715 Days
• Field of Search: 248/371,398 297/366,367,370
• US Class Current: 248/397
• CPC Class Codes: B60N 2/181 Rods
• CPC Class Codes: B60N 2/1842 pivoting about an axis located in the rear
• CPC Class Codes: B60N 2/1885 with weight compensating means
• CPC Class Codes: B60N 2/1892 characterised by a lock
• CPC Class Codes: B60N 2/1896 Stepwise movement mechanisms, e.g. ratchets B60N2/1882 takes precedence

Abstract

An adjustable reclining seat for major use in a motor vehicle, comprising a seat structure and support structure carrying the seat structure, the support structure including a latch mechanism which is adapted to finely adjust the tilting angle of the seat structure through manipulation of a lever which is manually operated.

Claims

1. An adjustable reclining seat comprising a seat structure and a support structure mounted on a floor pan and supporting said seat structure thereon, said support structure comprising right and left lower brackets fixed on said floor pan, right and left upper brackets which are pivotally connected to said right and left lower brackets, respectively, at their rear end portions, a shaft pivotally inserted into front end portions of said right and left lower brackets, a rotary member securely mounted on said shaft adjacent either of said right and left lower brackets, said rotary member having a ratchet sector directed rearward and an outwardly extending arm portion extending forward, an actuating member rotatably mounted on said shaft, a pivotal member pivotally mounted at its lower end portion on the lower bracket adjacent said rotary member and provided with a ratchet portion which is normally held in engagement with said ratchet sector, a connecting arm which is pivotally connected at its front end to an upper end portion of said actuating member and at its rear end to said pivotal member a linking arm which is pivotally connected at one end with the outwardly extending arm portion of said rotary member and at the other to the upper bracket associated with the lower bracket on which said pivotal member is mounted, and a manipulating lever securely connected to said actuating member, said actuating member being rotated rearward as said lever is rotated rearward to cause said pivotal member to rotate accordingly until the pivotal member is released from said rotary member.

2. A seat according to claim 1, wherein said support structure further comprises second and third linking arms, said second linking arm pivotally mounted on the end portion of said shaft opposite to said rotary member and said third linking arm being pivotally connected at one end to said second linking arm and at the other to the upper bracket adjacent said end portion of said shaft.

3. A seat according to claim 1, wherein said support structure further comprises a tension spring which is connected at one end to the lower end portion of said actuating member and at the other to the lower bracket on which said pivotal member is mounted, said tension spring biasing the lower portion of said actuating member rearward and the upper portions oF said actuating and pivotal members forward.