Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Reexamination Certificate
2008-03-03
2009-02-17
Thanh, Loan H (Department: 3764)
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
C482S098000, C482S107000
Reexamination Certificate
active
07491157
ABSTRACT:
A weight-adjustable dumbbell includes a dumbbell shell unit, a weight unit, and an insert pin unit. The dumbbell shell unit includes a shell body confining a receiving space, and a weight selector rod connected to the shell body, extending into the receiving space, and formed with through holes registered with insert holes in the shell body. The weight unit is extended removably into the receiving space via an open bottom of the shell body, and includes a base member provided with two positioning posts, and weight pieces stacked on the base member. Each weight piece is formed with a rod hole for extension of the weight selector rod, and two post holes for extension of the positioning posts. The insert pin unit includes an insert pin inserted removably into a selected insert hole and extending removably through a corresponding through hole in the weight selector rod.
REFERENCES:
patent: 295429 (1884-03-01), Reach
patent: 1044018 (1912-11-01), Calvert
patent: 1138196 (1915-05-01), Diehl
patent: 1316683 (1919-09-01), Calvert
patent: 1422888 (1922-07-01), Reeves
patent: 1917566 (1933-07-01), Wood
patent: 4431185 (1984-02-01), Cisneros
patent: 5299999 (1994-04-01), Brine
patent: 6387022 (2002-05-01), Smith
patent: 6896645 (2005-05-01), Krull
patent: 7052445 (2006-05-01), Ekhaus
patent: 7097601 (2006-08-01), Ronnow
patent: 7182715 (2007-02-01), Anderson
patent: 7381157 (2008-06-01), Blateri
patent: 2005/0245369 (2005-11-01), Vigiano
patent: 2006/0234843 (2006-10-01), Chen
patent: 2008/0081744 (2008-04-01), Gormley
patent: 2007021123 (2007-02-01), None
patent: WO 2008/057368 (2008-05-01), None
Asia Regent Limited
Darby & Darby P.C.
Hwang Victor K
Thanh Loan H
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