Abrading – Frame or mount – Portable abrader
Reexamination Certificate
2005-09-27
2005-09-27
Nguyen, George (Department: 3723)
Abrading
Frame or mount
Portable abrader
C451S359000, C451S451000, C451S452000
Reexamination Certificate
active
06949017
ABSTRACT:
A protective hood assembly (6) for a tool machine (2) is formed of a housing with a protective hood (10), to a securing assembly (8, 8′, 8″) relative to the housing (4) in different rotary positions, wherein at least one lock-in part (30, 30′) is provided, which can be brought along a direction of installation (M) into a receiving region (36) of a locking housing (16) of the securing assembly (8) and at which, by rotating, can be brought into a bayonet-like engagement and wherein locking means (32, 32′) are provided on the protective hood, the locking means being capable of being locked in different locking positions with counter locking means (26, 26′) of the securing assembly (8). The receiving region (36) is limited on a side facing the housing (4) at least in part by an abutting wall (34, 34′, 34ä,34″b), which is mobile.
REFERENCES:
patent: 4059930 (1977-11-01), Alessio
patent: 4924635 (1990-05-01), Rudolf et al.
patent: 5263252 (1993-11-01), Bruggink
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patent: 5766062 (1998-06-01), Edling
patent: 6464573 (2002-10-01), Keller
patent: 6561887 (2003-05-01), Lai et al.
patent: 6688955 (2004-02-01), Ruey-Zon
patent: 6869346 (2005-03-01), Wendt et al.
patent: 682732 (1993-11-01), None
Hartmann Markus
Koschel Christian
Abelma, Frayne & Schwab
Hilti Aktiengesellschaft
Nguyen George
LandOfFree
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