Device for varying braking force

Details Device for varying braking force Device for varying braking force

1996-10-01

1997-08-05

Ben, Loha

Optical: systems and elements

Lens

With support

359823, 359694, 359697, 396103, 396137, G02B 702, G02B 1514

Patent

active

056548338

ABSTRACT:
Disclosed is a device that comprises a cylindrical member, a viscous member which is applied to the cylindrical face of the cylindrical member to provide a viscous layer, a contact member, which contacts the cylindrical face, and a contact area varying member which varies the contact area, wherein the contact area is variable to change braking force for revolutions.

REFERENCES:
patent: 5177524 (1993-01-01), Tanaka
patent: 5239415 (1993-08-01), Imanari et al.
patent: 5418650 (1995-05-01), Imanari et al.
patent: 5453879 (1995-09-01), Ishii et al.
patent: 5573088 (1996-11-01), Daniels
Patent Abstracts of Japan, vol. 007, No. 088 (E-170) Apr. 12, 1983 and JP-A-58 015448, Abstract only.
Patent Abstracts of Japan, vol. 017, No. 671 (M-1525) Dec. 10, 1993 and JP-A-05223135, Abstract only.

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