Abrading – Frame or mount – Portable abrader
Reexamination Certificate
2011-03-15
2011-03-15
Rachuba, Maurina (Department: 3727)
Abrading
Frame or mount
Portable abrader
C125S013010
Reexamination Certificate
active
07905767
ABSTRACT:
A motorized power tool includes an output shaft (11) including a tool receptacle (13) for receiving a disc-shaped tool (7) and having an outer thread with a constant outer diameter (D) and that forms a first securing element (14) for a locking element (8), a centering section (16) adjoining the tool receptacle (13) and extending beyond a radial projection of the tool receptacle, and a second securing element (15) provided at the free end (12) of the output shaft (11) for receiving an attachment element (9) for securing a shaft extension (21) to the output shaft (11).
REFERENCES:
patent: 1883392 (1932-10-01), Moll
patent: 4343214 (1982-08-01), Schadlich
patent: 4810139 (1989-03-01), Regan
patent: 4850109 (1989-07-01), Kerwin
patent: 5303754 (1994-04-01), Rautio
patent: 6813837 (2004-11-01), Chen
patent: 7137329 (2006-11-01), Moser
Abelman ,Frayne & Schwab
Hilti Aktiengesellschaft
Rachuba Maurina
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