Patent ID: 6354557
Filing Date: 2002-03-12
Classification: B62J,B62K

Abstract:
A bicycle-type seat height adjusting assembly comprising:an insert sleeve sized to be slidably receivable within a seat tube of a bicycle-type apparatus, said insert sleeve member having an outer collar section to limit the degree to which said insert sleeve will having into the bicycle seat tube; an axially slidable seat post positionable to different heights within said insert sleeve and adapted to support a bicycle seat at the top portion of said seat post; a first keyway longitudinally formed along the front of said seat post; a support key affixed longitudinally to the inner wall of said insert sleeve; said support key being loosely guided within the inner walls that define said keyway to prevent said seat post against rotation; a main spring positioned substantially within said insert sleeve unit urging said seat post upwardly relative to said insert sleeve unit; a plurality of evenly spaced post holes formed along said front keyway; a locking means substantially contained within said support key and operably associated with said seat post to be adjusted by disengaging said locking device from said post holes whereby said seat post is slidably adjusted into position by the operator between locking position; a cable extending from said locking means to an actuating lever positioned on the bicycle to retract said locking means; a hole extending through said collar section, along a line extending radially to said seat posts central axis to enable said cable to pass through said collar; a maximum height set means for said seat post substantially comprising a peg sized to be slidably receivable within any of said post holes, a portion of said peg positioned in said key way to limit the upward movement of said seat post upon said peg engaging said support key, whereby the operator is able to limit the post from rising beyond an exact, personally set, optimum height.