Brake band for bringing the saw chain of a motor-driven chain sa

Details Brake band for bringing the saw chain of a motor-driven chain sa Brake band for bringing the saw chain of a motor-driven chain sa

1989-01-26

1990-08-21

Halvosa, George E. A.

Brakes

Elements

Shoes

192107M, 30381, F16D 6902

Patent

active

049498185

ABSTRACT:
The invention is directed to a brake band for bringing the saw chain of a chain saw to standstill. Chain saws include safety devices which bring the saw chain to standstill by applying a brake band to a brake drum. These safety devices effect numerous applications of the brake band to the brake drum so that the brake drum wears rapidly and has only a short service life. The brake band of the invention has a friction side which is provided with a layer made of an oxide ceramic which increases the service life for very short braking times even when oil penetrates the region between the brake band and the brake drum.

REFERENCES:
patent: 3848313 (1974-11-01), Guyonnet
patent: 4024933 (1977-05-01), Hinderks
patent: 4290510 (1981-09-01), Warren
patent: 4351885 (1982-09-01), Depoisier et al.
patent: 4618049 (1986-10-01), Pflaum et al.
patent: 4635364 (1987-01-01), Noll et al.

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