US 4,903,975 AGranted

Rear bicycle attachment handle

AssigneeR&D Ventures, Inc.

InventorsDiane B. Weisbrodt, Richard G. Weisbrodt

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Abstract

A rear bicycle attachment handle mechanism used on a small child's bicycle providing a safety feature for the inexperienced rider by allowing a supervising adult to have partial control over an unsteady bicycle, and also providing a supervising adult with the means to propell the bicycle forward without having to stoop or bend over. Furthermore, the rear bicycle attachment handle serves as an excellent exercise tool to be used by a walking adult and a bicycling child whereby the adult can assist the child in propelling the bicycle forward when the child is tired or needs assistance in ascending hills. The handle section of the invention is comprised of two vertical elongated attachment members (10a and 10b), a hard rubber-like handle (22) positioned horizontally between the upper portions of the attachment members, and a handle bolt (24) securely connecting this section together. The support section is comprised of a vertical support member (16) positioned between the lower sections of the two attachment members, two hard rubber-like spacer bars (28a and 28b) placed horizontally and adjacent to the upper-most portion of the support member, and a support bolt (30) connecting this support section together. The support section is securely bolted onto the attachment handle section through one of three sets of adjustment holes (14a, 14b or 14c), located along the central portion of the attachment members, providing the user of the invention with variations in handle heights which correspond with different user and bicycle heights. Once the entire unit is assembled, the lower ends of the attachment members are bolted onto the existing rear wheel axle of a bicycle and the lower end of the support member is attached to the existing seat adjustment bolt of the bicycle.

A rear bicycle attachment handle mechanism for a child's bicycle comprising:

two elongated attachment members of equal length each having an upper hole located near one end of said attachment members and a lower hole located near the opposite end of said attachment members, a plurality of adjustment holes located near the central portion of said attachment members, and a protector cap covering the upper-most ends of said attachment members preventing said attachment members from damaging other objects,
means for joining said attachment members at said upper holes whereby a cushioned handle is permanently bolted between and at right angles to said attachment members with an elongated handle bolt and two locking nuts,
means for joining said attachment members at said adjustment holes with a centrally located support section, said support section having one elongated support member having an upper hole located near one end of said support member and a lower hole located near the opposite end of said support member, two cushioned spacer bars positioned adjacent and at right angles to said upper hole of said support member, and an elongated support bolt horizontally inserted through said spacer bars and said support member, said support section then being positioned between said attachment members allowing said support bolt to be inserted through one matched pair of said adjustment holes where two removable nuts temporarily fasten said support section to said attachment members, said removable nuts furthermore allowing said support section to be easily removed from one pair of said adjustment holes and re-inserted through another pair of said adjustment holes providing variations in the invention's angular positions, and
means to secure said rear bicycle attachment handle mechanism through said lower holes of said attachment members and through lower hole of said support member to the rear portion of a child's bicycle providing a walking person with the means to propell said bicycle forward without interfering with or limiting the independent use of said bicycle.

1 more element

Abstract

Claims9