Cutting apparatus with dust discharging

Details Cutting apparatus with dust discharging Cutting apparatus with dust discharging

2007-05-29

2007-05-29

Eley, Timothy V. (Department: 3724)

Abrading

Frame or mount

Portable abrader

C451S359000, C451S451000, C451S456000

Reexamination Certificate

active

10966066

ABSTRACT:
In a cutting apparatus having a circular blade with a dust discharging unit for, during cutting, discharging chips (dust) within a dust cover covering the circular blade, a pulley is fixed to an output shaft of a power source, and a flat belt for transmitting power to the dust discharging unit is engaged with the pulley. The pulley and the flat belt are covered with an inner cover within the dust cover. The inner cover has a through hole for allowing the output shaft to protrude the inner cover therethrough with a seal made of felt to prevent dust from entering the inside of the inner cover. A surface touching member is provided around an opening edge of the dust cover movable along an axial direction of the output shaft by spring-loading, which automatically reduces the gap between the dust cover and the object to prevent dust from being scattered.

REFERENCES:
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patent: 5993305 (1999-11-01), Chu
patent: 6027399 (2000-02-01), Stewart
patent: 1 289 450 (1969-02-01), None
patent: 31 09 007 (1982-09-01), None
patent: 2000-210866 (2000-08-01), None

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