Adjustable dumbbell
First Claim
1. An adjustable dumbbell comprising:
- a plurality of weight members each including an opening formed therein,a handle including two end portions, and including a bore formed therein,a shaft rotatably engaged in said bore of said handle and including two end portions extended out of said handle,a carrier attached to each end portion of said shaft, and including an inner housing attached to said end portion of said shaft and rotated in concert with said shaft, and an outer housing and at least one middle housing attached to said inner housing and spaced from each other for forming at least two gaps between said inner housing and said outer housing and said at least one middle housing and for selectively receiving and engaging with said weight members, and said inner housing and said at least one middle housing each including a spring-biased projection extendible into said gaps that are formed between said inner housing and said outer housing and said at least one middle housing for selectively engaging with said weight members and for latching the selected weight members to said handle and said shaft and said carrier, anda control device rotatably engaged onto said shaft and coupled to said handle for engaging with said spring-biased projections and for selectively actuating said spring-biased projections to engage with said weight members and to latch the selected weight members to said handle and said shaft and said carrier.
1 Assignment
0 Petitions
Accused Products
Abstract
An adjustable dumbbell includes a handle, a shaft rotatably engaged through the handle, a carrier attached to each end portion of the shaft and having an inner housing and an outer housing and one or more middle housings spaced from each other for forming two or more gaps between the housings and for engaging with weight members, and the inner housing and the middle housing each include a spring-biased projection extendible into the gaps for selectively latching the weight members to the handle and the shaft and the carrier, and a control device is rotatably engaged onto the shaft and coupled to the handle for actuating the spring-biased projections to latch the selected weight members to the handle and the shaft and the carrier.
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Citations
12 Claims
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1. An adjustable dumbbell comprising:
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a plurality of weight members each including an opening formed therein, a handle including two end portions, and including a bore formed therein, a shaft rotatably engaged in said bore of said handle and including two end portions extended out of said handle, a carrier attached to each end portion of said shaft, and including an inner housing attached to said end portion of said shaft and rotated in concert with said shaft, and an outer housing and at least one middle housing attached to said inner housing and spaced from each other for forming at least two gaps between said inner housing and said outer housing and said at least one middle housing and for selectively receiving and engaging with said weight members, and said inner housing and said at least one middle housing each including a spring-biased projection extendible into said gaps that are formed between said inner housing and said outer housing and said at least one middle housing for selectively engaging with said weight members and for latching the selected weight members to said handle and said shaft and said carrier, and a control device rotatably engaged onto said shaft and coupled to said handle for engaging with said spring-biased projections and for selectively actuating said spring-biased projections to engage with said weight members and to latch the selected weight members to said handle and said shaft and said carrier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification