Tandem bicycle

Details Tandem bicycle Tandem bicycle

1996-04-16

1998-02-10

DePumpo, Daniel G.

Land vehicles

Wheeled

Occupant propelled type

280239, 280278, 280287, B62K 2700

Patent

active

057160651

ABSTRACT:
A tandem bicycle which includes a bicycle and a rear cycle unit coupled to the seat tube of the bicycle by a coupling, the rear cycle unit including a top tube, a down tube, a bottom bracket, a seat tube, a saddle and post assembly, a seat stay and bottom fork assembly, a free wheel, a crank and pedal assembly, and a handlebar, wherein the top tube and down tube of the rear cycle unit are respectively comprised of two sections pivotably connected together and secured in the operative position by a lock pin so that the rear cycle unit can be collapsed when not in use; a disk is mounted on the crank and pedal assembly and turned by it; an adjustable damper is mounted on the seat tube and down tube of the rear cycle unit and controlled by an adjustment screw to give a damping force to the disk.

REFERENCES:
patent: 5067738 (1991-11-01), O'Connor
patent: 5269548 (1993-12-01), Milligan
patent: 5470088 (1995-11-01), Adams

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