VEHICLE SEAT WITH A MODULAR FRAME

• US 20150076880A1
• Filed: 09/15/2014
• Published: 03/19/2015
• Est. Priority Date: 09/14/2013
• Status: Active Grant

• Current Assignee: GM Global Technology Operations LLC (General Motors Company)
• Original Assignee: GM Global Technology Operations LLC (General Motors Company)
• Inventors: Maier, Juergen, Wolf, Eduard, Hoefgen-Allmann, Michael, Kuhley, Christian
• Granted Patent: US 9,676,312 B2
• Time in Patent Office: Days
• US Class Current: 297/313
• CPC Class Codes: B60N 2/02 the seat or part thereof being movable, e.g. adjustable adjustable arm-rests B60N2/75; adjustable head-rests B60N2/806
• CPC Class Codes: B60N 2/68 Seat frames
• CPC Class Codes: B60N 2/682 Joining means
• CPC Class Codes: B60N 2/686 Panel like structures
• CPC Class Codes: B60N 2/7094 Upholstery springs

Abstract

A vehicle seat with a modular vehicle seat frame is disclosed. The seat frame includes a first side module and a second side module which is arranged located opposite. A front, rear upper and middle cross brace are seat width-adaptably arranged between the side modules. Between the front and the rear cross brace a spring structure is stretched out, which spring-elastically supports a seat cushion of the vehicle seat.

Claims

1-10. -10. (canceled)

11. A vehicle seat with a modular vehicle seat frame comprising:

a first side module having a first lateral backrest spar and a first lateral seat spar interconnected the first lateral backrest spar at a first side module joint;

a second side module arranged opposite the first side module, the second die module having a second lateral backrest spar and a second lateral seat spar interconnected to the second lateral backrest spar at a second side module joint;

a backrest shell fixedly secured on the first and second lateral backrest spars and covering a rearward area of a backrest cushion; and

a cross brace assembly include;

a front cross brace transversely connecting a front height-adjustable end on each of the first and second lateral seat spars;

a rear cross brace transversely connecting a rear lower end on each of the first and second lateral seat spars;

an upper cross brace transversely connecting an upper end on each of the first and second side modules in an upper backrest region;

a middle cross brace transversely connecting the first and second side modules in the region of the first and second side module joints; and

a spring structure extending between the front crass brace and the rear cross brace configured to spring-elastically support a seat cushion of the vehicle seat;

wherein the cross brace assembly is seat width adaptable.

12. The vehicle seat according to claim 11, wherein the first and second side modules seat spars, backrest spars and cross braces comprise of roll plates.

13. The vehicle seat according to claim 12, wherein cross braces comprise profiled roll plates which are configured to be cut in length to the seat width or backrest width.

14. The vehicle seat according to claim 11, wherein the cross braces are connected to the side modules at welded connections.

15. The vehicle seat according to claim 11, wherein the cross braces are connected to the side modules at riveted connections.

16. The vehicle seat according to claim 11, wherein the cross braces are connected to the side modules with threaded fasteners.

17. The vehicle seat according to claim 11, wherein the cross braces are connected to the side modules with self-locking plug connections.

18. The vehicle seat according to claim 11, wherein the upper cross brace comprises two hollow section pieces arranged parallel to one another and fixed at a right angle to the upper cross brace for the height-adjustable receiving of a headrest frame.

19. The vehicle seat according to claim 11, wherein the seat spars of the side modules are pivotably arranged about a joint with respect to a base structure of the vehicle seat which is connected to the vehicle floor, the joint comprising front height-adjustable ends which are transversely connected to the front cross brace.

20. The vehicle seat according to claim 11, wherein the side module joints of the side modules have kinematics which comprise a tilt angle of a seat cushion with respect to a backrest cushion between 30°

and 180°

.