Child powered bicycle trailer

Claim 2

A trailer for attachment to a bicycle having a frame, a seat for supporting a rider and a seat post coupling that seat to the frame, comprising: (a) an elongated support member having a first and an other end; (b) detachable attachment means for pivotally attaching the first end of the support member to a portion of the bicycle so that the support member extends rearwardly in a downwardly inclined fashion; (c) driving means attached to the support member intermediate the first and other end; (d) a driveable ground engaging wheel rotatably mounted to the other end; and (e) seat means attached to the support member for supporting a rider.

Claim 3

A trailer according to claim 1 wherein the driveable ground engaging wheel is geared.

Claim 4

A trailer according to claim 1 or 2 wherein the driving means includes: (a) a crank assembly; and (b) a chain for coupling the crank assembly with the driveable ground engaging wheel.

Claim 5

A trailer according to claim 3 further comprising: (a) a bottom bracket support for coupling the driving means to the support member; (b) handlebar means to provide support for a rider; (c) a handlebar retaining block for securing the handlebar means to the support member.

Claim 6

A trailer according to claim 1 wherein the seat means comprises: (a) a seat for supporting the rider; and (b) a seat post coupling the seat to the support member.

Claim 7

A trailer as defined in claim 5, wherein the detachable attachment means is a hitch, the hitch being releasably securable to the bicycle seat post so as to permit pivotable movement of the support member about a longitudinal axis of the bicycle seat post, and permitting pivotable movement of the support member in a plane defined by the driveable ground engaging wheel.

Claim 8

A trailer as defined in claim 5, wherein the detachable attachment is a restraining means for restraining the trailer from tipping laterally when attached to the driving bicycle.

Claim 9

A trailer according to claim 7 wherein the restraining means is included in the detachable attachment means.

Claim 10

A trailer according to claim 6 wherein the pivotable movement of the support member and the hitch means is performed by a single pivotal retainer.

Claim 11

A trailer according to claims 5 or 9 wherein the ground engaging wheel gearing is variable.

Claim 12

A trailer for attachment to a bicycle having a frame, a seat for supporting a rider and a seat post coupling that seat to the frame, comprising: (a) an elongated support member having a first and an other end; (b) hitch means for detachable attachment to the bicycle, the hitch means being releasably securable to the bicycle seat post so as to permit pivotal movement of the support member about a longitudinal axis of the seat post, and permitting pivotable movement of the support member in a plane defined by a driveable ground engaging wheel when attached to the bicycle; (c) driving means attached to the support member intermediate the first and an other end, the driving means including a crank assembly; (d) the driveable ground engaging wheel being geared and rotatably mounted to the other end; (e) seat means attached to the support member for supporting the rider; (f) a chain for coupling the crank assembly with the geared driveable ground engaging wheel; (g) a bottom bracket support for coupling the driving means to the support member; (h) handlebar means to provide support for a rider; (i) a handlebar retaining block for securing the handlebar means to the support member; (j) restraining means included in the hitch means; (k) pivotable movement of the support member and the hitch means performed by a single pivotal retainer; and (l) the ground engaging wheel provided with multi-geared operation including a derailleur, cabling and shift lever.

Claim 13

A trailer for attachment to a bicycle having a frame, a seat for supporting a rider and a seat post coupling that seat to the frame, comprising: (a) an elongated support member having a first and an other end; (b) hitch means for detachable attachment to the bicycle, the hitch means being releasably securable to the bicycle seat post so as to permit pivotal movement of the support member about a longitudinal axis of the seat post, and permitting pivotable movement of the support member in a plane defined by a driveable ground engaging wheel when attached to the bicycle; (c) driving means attached to the support member intermediate the first and an other end, the driving means including a crank assembly; (d) the driveable ground engaging wheel being geared and rotatably mounted to the other end; (e) seat means attached to the support member for supporting the rider; (f) a chain for coupling the crank assembly with the geared driveable ground engaging wheel; (g) a bottom bracket support for coupling the driving means to the support member; (h) handlebar means to provide support for a rider; (i) a handlebar retaining block for securing the handlebar means to the support member; (j) restraining means included in the hitch means; (k) pivotable movement of the support member and the hitch means performed by a single pivotal retainer; and (l) the ground engaging wheel provided with multi-geared operation including a derailleur, cabling and shift lever.

Claim 14

A trailer according to claim 4 wherein means secure the handle bar means to the support member for longitudinal adjustable positioning on the support member.

Claim 15

A trailer according to claim 11 wherein means secure the handle bar means to the support member for longitudinal adjustable positioning on the support member.

Claim 16

A trailer according to claim 6 wherein the hitch comprises a "U"-shaped plate within which is secured a retainer means to receive the bicycle seat post so as to permit pivotal movement of the hitch about the longitudinal axis of the bicycle seat post, the "U"-shaped plate also to receive between the arms of the "U" said first end of the support member so as to permit relative pivotal movement of the support member with respect to the hitch in the plane defined by the driveable ground engaging wheel.