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Bicycle body support apparatus

  • US 5,383,677 A
  • Filed: 03/14/1994
  • Issued: 01/24/1995
  • Est. Priority Date: 03/14/1994
  • Status: Expired due to Fees
First Claim
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1. A bicycle body support apparatus arranged for securement to a bicycle cross tube, the apparatus comprising:

  • a cross tube mounting bracket having a lowermost plate arranged in facing adjacency to an uppermost plate;

    with the lowermost plate including a first semi-cylindrical recess to receive the cross tube therewithin, and the uppermost plate including a second semi-cylindrical recess to receive the cross tube therewithin, wherein the first semi-cylindrical recess and the second semi-cylindrical recess are symmetrically oriented about a predetermined axis;

    a support shaft fixedly mounted to the uppermost plate and projecting therefrom canted relative to the predetermined axis at an acute angle, the support shaft having a mount portion at a free distal end of the support shaft;

    a torso support assembly arranged for mounting to the mount portion, wherein the torso support assembly includes a seat mounting tube having a split cylindrical configuration with a gap extending longitudinally therethrough;

    a first clamp flange and second clamp flange mounted on opposed sides of the gap;

    a clamping member threadably engaged to said first flange and slidably positioned through said second flange;

    a seat shaft received within the seat mounting tube and secured within the seat mounting tube by the clamping member, the seat mounting tube having a seat mounting tube lowermost portion coaxially aligned therewith;

    a ferrous metallic abutment ring oriented between the seat mounting tube and the seat mounting tube lowermost portion, with the seat lowermost portion including a securement flange arranged for reception within the mount portion of the support shaft; and

    ,a shaft fastener securing the mount portion to the securement flange, with the securement flange, the shaft fastener, and the mount portion defining a pivot connection between the torso support assembly and the cross tube mounting bracket.

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