Adjustable bicycle sail apparatus

Details Adjustable bicycle sail apparatus Adjustable bicycle sail apparatus

1997-07-03

1999-12-28

Obertleitner, Robert J.

Land vehicles

Wheeled

Occupant propelled type

114102, B62M 110

Patent

active

060070811

ABSTRACT:
A sail apparatus for a bicycle comprises a pair of sail grids, each having a pivoting mechanism for pivotally attaching a leading edge portion of the sail grids to a frame of the bicycle. A control mechanism, interconnected with the sail grids via a pair of linkage arms, controls the position of the sail grids. A sail is removably secured about each of the sail grids to provide wind resistance. The sail grids are disposed proximate a rear wheel of the bicycle, and, when in a retracted position, are parallel to the rear wheel. For use, a bicyclist actuates the control mechanism, and the sail grids pivot about the pivoting mechanisms out and away from the rear wheel. The sail apparatus further includes a rear sail which has opposed ends thereof connected to second end portions of the sail grids for capturing more air during use of the sail apparatus.

REFERENCES:
patent: 578411 (1897-03-01), Lotherington
patent: 639107 (1899-12-01), Sorenson
patent: 3836176 (1974-09-01), Ylvisaker
patent: 4418632 (1983-12-01), Yoshimi et al.
patent: 4441728 (1984-04-01), Schroeder
patent: 5496049 (1996-03-01), Escobedo
patent: 5806451 (1998-09-01), Carn

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