Adjustable dumbbell and system
First Claim
Patent Images
1. A weight lifting apparatus, comprising:
- a handle having a first end portion and an opposing end portion;
a locking mechanism disposed on at least one said end portion of said handle, said locking mechanism comprising a pin therein;
a retention member slidably disposed within said locking mechanism and said handle, said retention member comprising a rod, an attachment member, and a retention pin, said rod adapted to be slidably disposed within said locking mechanism and said handle, said rod further including a series of depressions on the exterior of said rod, said depressions adapted to receive said pin of the locking mechanism when in a locked position;
a plurality of weights adjacent said end portions of said handle bearing said locking mechanism, each said weight having a channel, a vertical guide, and at least one retention tab disposed within said vertical guide, said vertical guide and said channel are aligned with said retention member so as to slidably receive said retention member, said at least one retention tab adapted to engage said retention pin to temporarily secure a selected number of weights to said handle; and
a base, said base comprising plate rests and supports, said supports having a receptacle for receiving said locking mechanism, said receptacle having an unlocking and locking channel disposed therein.
1 Assignment
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Accused Products
Abstract
An adjustable weightlifting device having selectable weights. The adjustable weightlifting device allows users to select a desired number of weight plates, and then couples the selected weight plates to retention members disposed in the handle of the device.
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Citations
19 Claims
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1. A weight lifting apparatus, comprising:
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a handle having a first end portion and an opposing end portion; a locking mechanism disposed on at least one said end portion of said handle, said locking mechanism comprising a pin therein; a retention member slidably disposed within said locking mechanism and said handle, said retention member comprising a rod, an attachment member, and a retention pin, said rod adapted to be slidably disposed within said locking mechanism and said handle, said rod further including a series of depressions on the exterior of said rod, said depressions adapted to receive said pin of the locking mechanism when in a locked position; a plurality of weights adjacent said end portions of said handle bearing said locking mechanism, each said weight having a channel, a vertical guide, and at least one retention tab disposed within said vertical guide, said vertical guide and said channel are aligned with said retention member so as to slidably receive said retention member, said at least one retention tab adapted to engage said retention pin to temporarily secure a selected number of weights to said handle; and a base, said base comprising plate rests and supports, said supports having a receptacle for receiving said locking mechanism, said receptacle having an unlocking and locking channel disposed therein. - View Dependent Claims (2, 3, 4, 5)
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6. A weight lifting device, comprising:
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a handle having end portions; at least one retention member slidably disposed within said handle, said retention member longitudinally movable relative to said handle; a locking mechanism disposed on at least one said end portion of said handle, said locking mechanism having a movable pin horizontally disposed therein, said movable pin engaged with said retention member preventing longitudinal movement when in a locked position; and a plurality of weights removably attached to said retention member. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A weight lifting device, comprising:
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a handle having end portions; at least one retention member slidably disposed within said handle, said retention member longitudinally movable relative to said handle and non-rotatable relative to said handle; a locking mechanism disposed on at least one of said end portions of said handle, said locking mechanism having a movable pin disposed therein, said movable pin engaged with said retention member preventing longitudinal movement of said retention member when in a locked position; a plurality of weights removably attached to said retention member; and a support having at least one receptacle for receiving said locking mechanism disposed therein, said receptacle having a locking and an unlocking channel. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification