Patent ID: 9676312
Date: 2017-06-13
CPC Classifications: B60N

Claim:
1. 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 to the first lateral backrest spar at a first side module joint; a second side module arranged opposite the first side module, the second side 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, the front cross brace having a middle region disposed approximately half way between the first and second lateral seat spars, the front cross brace also including a first hole and a second hole disposed on opposite sides of the middle region; 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 cross 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; wherein the cross braces are connected to the side modules with self-locking plug connections; and wherein cross braces comprise profiled roll plates which are configured to be cut in length to the seat width or backrest width; and wherein the spring structure is a one-piece structure having a first end that is received in the first hole, a second end that is received in the second hole, and a body that extends continuously between the first and second ends; and wherein the spring structure has a width that is smaller than a predetermined smallest width of the vehicle seat.