×

Manual lumbar pump assembly

  • US 10,351,031 B2
  • Filed: 11/08/2017
  • Issued: 07/16/2019
  • Est. Priority Date: 10/25/2013
  • Status: Active Grant
First Claim
Patent Images

1. A pump assembly for a vehicle seatback, comprising:

  • a plurality of air bladders defining a lumbar support;

    a pneumatic cylinder having a sealed head slidably disposed within a cylindrical cavity defining an outlet wherein the pneumatic cylinder is movably connected to the valve body;

    a lever defining a first body rotatable about an axis extending through the first body;

    a projection defining a second body fixed with the first body of the lever and extending from the axis away from the lever;

    a link having a first end connected with the pneumatic cylinder and a second end connected with the projection; and

    a valve body incorporating a selection device, the selection device operably engaging the outlet with a select one of the plurality of air bladders for inflating the select one of the plurality of air bladders, the lever being mounted to the valve body with the axis in a fixed position relative to the valve body.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×