Hydraulic tensioning seal

Details Hydraulic tensioning seal Hydraulic tensioning seal

1978-04-28

1979-05-01

Whitehead, Harold D.

Stone working

Sawing

Rotary

51 73R, 269 22, 279 4, B28D 104

Patent

active

041518268

ABSTRACT:
An improved fluid-tight tensioning seal is provided for use in apparatus of the type wherein an inside diameter cutting blade is mounted in a circular saw blade housing, the blade being continuously tensioned during the cutting operation. The tensioning seal comprises two pieces, one of which is elastic and moves in sealing relationship within a channel provided in the housing in response to pressurized fluid. The second piece is substantially rigid, abuts the first piece on one side and has a contoured projection extending from its other side for engaging and tensioning the blade.

REFERENCES:
patent: 2598609 (1952-05-01), Samuel
patent: 2884292 (1959-04-01), Doner
patent: 3762008 (1973-10-01), Volki
patent: 3827421 (1974-08-01), Schumacher
patent: 4014311 (1977-03-01), Steere

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