JPS6423247U - - Google Patents

Description

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a simplified side view, and FIG. 2 is a simplified side view of FIG. 1.
Line sectional view, Figure 3 is a - line sectional view of Figure 1,
FIG. 4 is a side view corresponding to FIG. 1 when the backrest bracket is tilted forward. 1... Reclining device, 2... Seat, 2a
...Back rest, 2b... Seat, 3... Seat bracket, 4... Back support bracket, 5... Connection member,
6...Lever link, 7...Lock member, 8...
Operation lever, 9...first support shaft, 10...second support shaft, 11...third support shaft, 12...engaging pin as an engagement portion, 31...guide portion.

Amendment September 3, 1986 The scope of claims for utility model registration is amended as follows.

[Scope of Utility Model Registration Claim] A seat bracket fixed to the seat of the seat; a backrest bracket fixed to the back of the seat; one end pivoted to the seat bracket via a first support shaft; a connecting member whose other end is pivotally connected to the backrest bracket through a second support shaft; a lever link whose intermediate portion is pivotally connected to the connection member through a third support shaft;
an engaging part provided on the lever link behind the third support shaft to engage with the lower part of the backrest bracket ;
A portion near the rear end is pivotally connected to the seat bracket and can be rotated between a non-operating position and an operating position, and is connected to an operating lever that is spring-biased toward the non-operating position; the operating lever is connected in the non-operating position. a third locking member that engages with the member and is interlocked and connected to the operating lever so as to release the engagement with the connecting member in the operating position;
It can be slid into sliding contact with the lever link on the front side of the support shaft, and as the third support shaft rotates forward around the first support shaft, the engaging portion engages with the backrest bracket. A guide part provided on the seat bracket for rotating the lever link in a direction that releases the lever link and allows the backrest bracket to tilt forward about the second support shaft; Reclining device.

Claims (1)

[Scope of utility model registration request] a seat bracket fixed to the seat of the seat; a backrest bracket fixed to the back of the seat; one end pivoted to the seat bracket via a first support shaft and the other end pivoted to the seat bracket; a connecting member that is pivotally connected to the backrest bracket via two supporting shafts; a lever link whose intermediate portion is pivotally connected to the connecting member via a third supporting shaft;
an engaging portion provided on the lever link behind the third support shaft to engage with the lower part of the seat bracket; an operating lever that is rotatable and biased by a spring toward a non-operating position; interlocking with the operating lever so that the operating lever engages with the coupling member in the non-operating position and disengages from the coupling member in the operating position; The lock member to be connected is capable of slidingly contacting the lever link on the front side of the third support shaft, and the engaging portion is slidable in response to the third support shaft rotating forward around the first support shaft. a guide portion provided on the seat bracket for rotating the lever link in a direction that disengages the backrest bracket and allows the backrest bracket to tilt forward about the second support shaft; A seat reclining device comprising: