US4538806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exerciser dumbbells
Assignee: TRIANGLE MANUFACTURING Corp
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Filing: 1983-09-29
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Granted: 1985-09-03
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Expires: 2003-09-29
Abstract
Abstract An exercise dumbbell of the type comprising a central grip portion and a pair of weighted bells on each end of the grip portion, wherein each of the bells comprises a soft, pliable outer covering filled with a yieldable mass of weighting material, and wherein the dumbbell comprises an axial support means extending axially of the grip. Preferably the support means is in the form of a rod, solid or hollow, and the end bells, as well as the supporting rod if hollow, are preferably filled with a yieldable mass of weighting material such as small balls or shot, a liquid or a gelatin, or a heavy liquid or gelatin with or without metal particles or pieces dispersed through it.
Inventors
- 👤 C. William Wilkerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:11
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/06; A63B21/0601; A63B21/0603; A63B21/072; A63B21/0726
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
144 words
An exercise dumbbell, comprising a grip portion and a pair of bells one at each end of the grip portion, wherein: each of said bells and an adjacent portion of said grip portion consists of a soft pliable outer covering, said adjacent portions being in abutting engagement and forming the entire grip portion, whereby said dumbbell is substantially completely covered by said pliable outer covering, each of said bells having an imperforate outer surface and being filled with a dense yieldable mass of particulate weighting material, said covering and said yieldable mass being insufficently rigid to maintain the configurational integrity of said dumbbell, and said dumbbell comprises a rigid axial support means covered by said soft pliable outer covering and extending axially through said grip portion substantially to the interior end walls of said bells and being free of attachment to said end walls.
Claim 2
Dependent Claim
144 words
An exercise dumbbell, comprising a grip portion and a pair of bells one at each end of the grip portion, wherein: each of said bells and an adjacent portion of said grip portion consists of a soft pliable outer covering, said adjacent portions being in abutting engagement and forming the entire grip portion, whereby said dumbbell is substantially completely covered by said pliable outer covering, each of said bells having an imperforate outer surface and being filled with a dense yieldable mass of particulate weighting material, said covering and said yieldable mass being insufficently rigid to maintain the configurational integrity of said dumbbell, and said dumbbell comprises a rigid axial support means covered by said soft pliable outer covering and extending axially through said grip portion substantially to the interior end walls of said bells and being free of attachment to said end walls.
Claim 3
Dependent Claim
24 words
The dumbbell of claim 1, wherein said support means is hollow and closed at each end and contains a yieldable mass of weighting material.
Claim 4
Dependent Claim
13 words
The dumbbell of claim 1, where said support means is a solid rod.
Claim 5
Dependent Claim
15 words
The dumbbell of claim 1, wherein said weighting material comprises a plurality of metal balls.
Claim 6
Dependent Claim
18 words
The dumbbell of claim 4, wherein said yieldable material comprises a gel in the interstices between said balls.
Claim 7
Dependent Claim
20 words
The apparatus of claim 1, wherein said is of a plastic material from about 1/8" to about 1/4" in thickness.
Claim 8
Dependent Claim
19 words
The dumbbell of claim 6, wherein the plastic material is selected from the group consisting of vinyls and urethanes.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-09-02 | 1989-03-04 | 1989-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-02 | 1993-03-04 | 1993-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-02 | 1997-03-04 | 1997-09-03 | $7700.00 | Window Closed / Lapsed |