Patent ID: 9090298
Filing Date: 2015-07-28
Classification: B62J,B62K

Abstract:
1. A seat pillar, comprising: a seat pillar tube having two ends and a tube longitudinal axis along a length of the tube; a seat pillar head fastened to one of the two ends of the seat pillar tube, the seat pillar head configured as a hollow-cylindrical sleeve having a pivot axis perpendicular to the tube longitudinal axis of the seat pillar tube; a spring element comprising an elastic body arranged in said hollow-cylindrical sleeve, a first passage and a second passage extending through the elastic body; two spacer disks arranged at opposing end sides of the hollow-cylindrical sleeve and fixed with respect to rotation relative to the hollow-cylindrical sleeve, the spring element disposed between the two spacer disks, wherein each of the spacer disks includes a round hole aligned with the first passage and a guide hole aligned with the second passage, a first cross-sectional area of the guide hole being larger than a second cross-sectional area of the second passage; a first bolt forming the pivot axis passes through the first passage and the round holes; a second bolt passes through the second passage and the guide holes; a clamping device arranged on the seat pillar head, the clamping device being pivotable about the pivot axis and having two clamping assemblies, each of the clamping assemblies comprising an inner clamping part bearing against a respective one of the two spacer disks, and an outer clamping part facing the inner clamping part, for clamping a seat web of a seat frame between the inner clamping part and the outer clamping part, each of the inner clamping part and the outer clamping part being fastened to the first bolt and the second bolt.