Centrifuge having pivotally supported door

Imperforate bowl: centrifugal separators – Rotatable bowl – Including housing for bowl

Reexamination Certificate

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C494S016000, C049S386000

Reexamination Certificate

active

07815560

ABSTRACT:
A centrifuge includes a frame, a door, a restricting part, a first spring member, and a second spring member. The frame has an opening on top thereof, when the frame is disposed in an orientation in which the frame is intended to be placed. The door is movably supported on the frame to be capable of opening and closing the opening. The restricting part is provided on the frame and defines a prescribed region. The first spring member has one end pivotally supported on the door, and another end pivotally supported on the frame. The second spring member has one end pivotally supported on the door, and another end that is movable within the prescribed region.

REFERENCES:
patent: 5067938 (1991-11-01), Uchida et al.
patent: 5205073 (1993-04-01), Lyons, Sr.
patent: 6021606 (2000-02-01), Kos
patent: 2007/0072759 (2007-03-01), Hayasaka et al.
patent: 47-4774 (1972-09-01), None
patent: 52-9279 (1977-01-01), None
patent: 1-170454 (1989-12-01), None
patent: 2-24139 (1990-02-01), None
patent: 3-52048 (1991-05-01), None
patent: 5-266396 (1993-10-01), None
patent: 2005-034724 (2005-02-01), None
patent: 2008168253 (2008-07-01), None
Japanese Office Action dated Jan. 12, 2010. Japanese Patent Application No. 2005-278204; 2 pages.

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