Safety jacket for rotary blade housings

Details Safety jacket for rotary blade housings Safety jacket for rotary blade housings

2005-01-04

2005-01-04

Nguyen, Ninh H. (Department: 3745)

Rotary kinetic fluid motors or pumps

Method of operation

C415S009000, C415S206000

Reexamination Certificate

active

06837674

ABSTRACT:
A flexible jacket for a vacuum blower having rotatable blades in a blade housing. The jacket is made from heavy duty, substantially impenetrable, bullet resistant material such as KEVLAR brand sheet material which is placed about the blade housing to prevent any severed and flying rotor blades from entering the atmosphere through the blade housing. The configuration of the jacket is formed to match the blade housing and to enable the jacket to be easily retro-fitted onto existing vacuum blowers or other blade housings and secured in place about the blade housing.

REFERENCES:
patent: 3974313 (1976-08-01), James
patent: 4057359 (1977-11-01), Grooman
patent: 4452563 (1984-06-01), Belanger et al.
patent: 4705454 (1987-11-01), Bouiller et al.

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