Barbell and dumbbell safety spotting apparatus

Details Barbell and dumbbell safety spotting apparatus Barbell and dumbbell safety spotting apparatus

2003-10-29

2008-05-20

Donnelly, Jerome (Department: 3764)

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing weight resistance

C482S106000, C482S108000

Reexamination Certificate

active

07374515

ABSTRACT:
A dumbbell clamp for a barbell and dumbbell safety spotting apparatus [30] utilizes two spaced-apart plates [162] each having a notch [166] for retaining the grip [28] of a dumbbell [26]. A spring-biased lock bar [170] locks the dumbbell grip in the notches during normal use. A clamp bore [178] is provided for secure the dumbbell clamp to a cable [72] by use of a hook [86]. A hand switch receptacle [82] provides an electrical connector from a hand switch [88] on the dumbbell clamp to the safety spotting apparatus.

REFERENCES:
patent: 2603520 (1952-07-01), Brown et al.
patent: 3888535 (1975-06-01), Rosso
patent: 4998721 (1991-03-01), Anders et al.
patent: 5573484 (1996-11-01), Carpenter
patent: 5651758 (1997-07-01), Cervantes
patent: 5823921 (1998-10-01), Dawson
patent: 5979840 (1999-11-01), Hollister et al.
patent: 5989166 (1999-11-01), Capizzo et al.
patent: 6893381 (2005-05-01), Slawinski

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