Apparatus and methodology for temporarily converting single bicy

Details Apparatus and methodology for temporarily converting single bicy Apparatus and methodology for temporarily converting single bicy

1993-05-26

1994-12-13

Hill, Mitchell J.

Land vehicles

Convertible

Occupant propelled

280239, 280273, B62K 1302

Patent

active

053723716

ABSTRACT:
An improved apparatus and method for converting two single rider bicycles into a tandem tricycle is provided through means of extending the rear axle of the front bicycle of the tandem by rear axle extenders. The rear axle extenders are in line with the rear axle and provide a bearing upon which a modified front fork of the rear bicycle is mounted. The bearing is positioned outboard on the rear axle extenders by a distance sufficient to allow the modified front fork of the rear bicycle to clear all gearing or transmissions provided on the rear axle of the front bicycle. The modified front fork of the rear bicycle is modified to provide a distance of separation between the tines of the fork to allow for this clearance. Front axle extenders are also provided to the front axle of the front wheel of the rear bicycle when the two bicycles are disassembled to allow them to be used once again as single rider bicycles. The front axle extenders are coupled to the modified front fork in a manner similar to the coupling between the rear axle extenders except that no bearing or rotational motion between the front axle extenders and modified fork is required.

REFERENCES:
patent: 579982 (1897-04-01), Jakobson
patent: 598872 (1898-02-01), Hunt
patent: 658406 (1900-09-01), Straub
patent: 1300343 (1919-04-01), Carswell
patent: 4458908 (1984-07-01), Strong
patent: 5171034 (1992-12-01), Scott

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