Brakes – Operators – Electric
Patent
1995-09-01
1996-12-24
Oberleitner, Robert J.
Brakes
Operators
Electric
482 63, 482903, A63B 2206, B60L 700
Patent
active
055866247
ABSTRACT:
A fly wheel brake device is provided for use in the load adjustment of a permeation fly wheel of an exercise bicycle and other exercising recovery devices. One end of a rotary handle is connected to a brake cable and the other end thereof is connected to a rotary disk so that the rotary disk is driven by the brake cable. The upper side of a plurality of sector sliding blocks each have attached thereto a convex column positioned along a cambered slot in the rotary disk, the lower side of the sector sliding blocks are each provided with an integral disk and permanent magnets. A plurality of aluminum sheets are provided on the bevelled inner circle of the permeation fly wheel and sustain a gap with the permeation magnets. The rotary handle drives the rotary disk to rotate forward or backward under the operation of the cable, thus causing the sector sliding blocks to slide forward or backward, respectively. That adjusts the gap and the magnetic contacting force between the permanent magnets and the aluminum sheets in the permeation fly wheel. Because of the change of the magnetic gap and the magnetic contacting area, the magnetic force between the permanent magnets on the sector sliding block and the permeation fly wheel are adjusted.
REFERENCES:
patent: 4452445 (1984-06-01), Csekes
patent: 4826150 (1989-05-01), Minoura
patent: 5054587 (1991-10-01), Matsui et al.
patent: 5072930 (1991-12-01), Sun
patent: 5096024 (1992-03-01), Wu
patent: 5234083 (1993-08-01), Lee
patent: 5236069 (1993-08-01), Peng
patent: 5247854 (1993-09-01), Wu
Fu Chin-Jen
Ko Kent
Ko Wen-Chung
Klein David I.
Oberleitner Robert J.
Rosenberg Morton J.
Schwartz Chris
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