DRIVER{3 S SEAT FOR MOTOR VEHICLES

• US 3,574,401 A
• Filed: 10/23/1968
• Issued: 04/13/1971
• Est. Priority Date: 10/23/1967
• Status: Expired due to Term

• Current Assignee: Lehner Wilhelm
• Original Assignee: Lehner Wilhelm
• Inventors: LEHNER WILHELM
• Application Number:
  US04/769,966
• Time in Patent Office: 902 Days
• US Class Current: 297/452.46
• CPC Class Codes: A47C 31/00 Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
• CPC Class Codes: B60N 2/045 Longitudinal adjustment by means of articulated rods supporting the seat, e.g. parallelogram mechanisms B60N2/38 takes precedence
• CPC Class Codes: B60N 2/502 attached to the base of the seat B60N2/504 takes precedence
• CPC Class Codes: B60N 2/504 attached to the base and the backrest
• CPC Class Codes: B60N 2/505 Adjustable suspension including height adjustment
• CPC Class Codes: B60N 2/507 Parallelogram-like structure
• CPC Class Codes: B60N 2/544 Compression or tension springs B60N2/542 takes precedence
• CPC Class Codes: B60N 2/58 Seat coverings

Abstract

A driver'"'"''"'"'s seat for motor vehicles, preferably for selfpropelled implements, such as agricultural tractors, is provided with upholstery on the seat proper and on the backrest. The upholstery is composed of a plurality of independent individual pads.

Claims

1. A driver'"'"''"'"'s seat for automotive vehicles, particularly for agricultural working machines, the seat comprising:

a seat shell;

a seat back;

a plurality of independent and distinct pad sections provided on said seat back and serving as upholstery therefor, said pad sections being apart from each other so that air channels are formed therebetween, thereby allowing for free circulation between said pad sections; and

means for maintaining the spacing between said pad sections.

2. A driver'"'"''"'"'s seat according to claim 1, characterized in that the upholstery comprises a plurality of transverse pads and a plurality of longitudinal pads.

3. A driver'"'"''"'"'s seat according to claim 1, characterized in that the seat and/or the backrest is perforated between the individual pads.

4. A driver'"'"''"'"'s seat according to claim 1, characterized in that the pads are detachably secured to the seat proper and/or the backrest.

5. A driver'"'"''"'"'s seat according to claim 1, characterized in that each pad consists of a shaped foam part, a baseplate preferably of plastics material, and a cover, said cover being secured to the baseplate.

6. A driver'"'"''"'"'s seat according to claim 5, characterized in that the baseplate of each pad is secured in a hole defined in the seat proper and/or in the backrest by a shaped resilient element.

7. A driver'"'"''"'"'s seat according to claim 6, characterized in that the baseplate has four shaped elements and the cover has four fixing tongues, which tongues overlap on the baseplate and have puncHed fixing holes, through which said shaped elements extend.

8. A driver'"'"''"'"'s seat according to claim 6, characterized in that the shaped element has a longitudinal aperture for the aeration of the associated pad.

9. A driver'"'"''"'"'s seat according to claim 6, characterized in that the shaped element is integral with the baseplate.

10. A driver'"'"''"'"'s seat according to claim 1, characterized in that the plurality of pads are secured in place by means disposed on the side of the seat proper and/or backrest remote from said pads.

11. A driver'"'"''"'"'s seat according to claim 1, characterized in that the uppermost pad of the backrest includes means for being folded down in a rearward direction.

12. A driver'"'"''"'"'s seat according to claim 1 in which the seat proper and the backrest are independent units, characterized in that a guard plate extends upwardly from the seat proper and serves to protect the back and kidney regions of the driver.

13. A driver'"'"''"'"'s seat according to claim 12, characterized in that the backrest is secured to the guard plate so as to be adjustable in height.

14. A driver'"'"''"'"'s seat according to claim 1 and further comprising:

a rocker arm pivoted at one end to the forward end of the seat proper and at the other end to the forward end of an L-shaped mounting frame, said mounting frame serving to attach the seat to the vehicle; and

a carrying frame for mounting the seat proper and the backrest, characterized in that the backrest is detachably secured to the carrying frame by a hook and that the seat proper and the backrest are pivotally movable by means of the rocker arm above the steering wheel and/or upwardly and rearwardly and subsequently forwardly.

15. A driver'"'"''"'"'s seat according to claim 6, characterized in that the baseplate is provided with a plurality of shaped elements consisting of plugs of plastics material, wherein each of said plugs has one end disposed in an associated pad and is provided with a reinforced flange and wherein the opposite end of each of said plugs is formed with a conical enlargement.

16. A driver'"'"''"'"'s seat according to claim 1, wherein the distance between the section pads is between 10 and 12 millimeters.