Rotor structure of pneumatic tool

Details Rotor structure of pneumatic tool Rotor structure of pneumatic tool

2008-06-24

2008-06-24

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Miscellaneous

C418S140000, C418S259000, C418S268000

Reexamination Certificate

active

07390182

ABSTRACT:
A rotor structure of pneumatic grinder, including a rotor main body and at least one reinforcing plate. The rotor main body is formed with a central shaft hole for a rotary shaft to pass through. Several radial projecting sections are formed on outer circumference of the rotor main body at equal intervals. Each projecting section has a depression for reducing the weight of the rotor structure. A split is defined between each two adjacent projecting sections. A vane is inserted in each split. The reinforcing plate is coaxially embedded in the rotor main body. The reinforcing plate outward radially expands from the axis of the rotor main body for increasing the strength of the rotor main body.

REFERENCES:
patent: 589006 (1897-08-01), Manning
patent: 3356292 (1967-12-01), Brewer et al.
patent: 4898524 (1990-02-01), Butzen
patent: 5954489 (1999-09-01), Kinoshita
patent: 6821099 (2004-11-01), Wilk et al.
patent: 60098190 (1985-06-01), None

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