Abrading – Rigid tool – Rotary cylinder
Reexamination Certificate
2006-12-05
2006-12-05
Rachuba, M. (Department: 3723)
Abrading
Rigid tool
Rotary cylinder
C451S548000, C451S359000
Reexamination Certificate
active
07144315
ABSTRACT:
A grinding wheel including a ring-shaped wheel, a first fixing cap, a second fixing cap and a buffer member. The ring-shaped wheel has a fixing section and a working section formed along outer circumference of the fixing section. The first and second fixing caps are respectively mounted on two sides of the fixing section. The buffer member is positioned between the first and second fixing caps for reducing shock produced in operation. The circumference of the buffer member is formed with multiple movable vanes. When the grinding wheel is rotated at high speed, the centrifugal force will deform the movable vanes of the buffer member to lean on the ring-shaped wheel for supporting the working section thereof.
REFERENCES:
patent: 260336 (1882-06-01), Thayer
patent: 3036412 (1962-05-01), Tocci-Guilbert
patent: 3183633 (1965-05-01), Decker
patent: 3623275 (1971-11-01), Koella
patent: 3793782 (1974-02-01), Bowling
patent: 4406202 (1983-09-01), Salje et al.
patent: 6110027 (2000-08-01), Muller
patent: 6309292 (2001-10-01), Montabaur et al.
Cheng Chuan-ching
Sun Yung-yung
Rachuba M.
Storm Pneumatic Tool Co., Ltd.
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