US20050065001A1 - Hollow dumbbell - Google Patents
Hollow dumbbell Download PDFInfo
- Publication number
- US20050065001A1 US20050065001A1 US10/669,939 US66993903A US2005065001A1 US 20050065001 A1 US20050065001 A1 US 20050065001A1 US 66993903 A US66993903 A US 66993903A US 2005065001 A1 US2005065001 A1 US 2005065001A1
- Authority
- US
- United States
- Prior art keywords
- dumbbell
- hollow
- passage
- neck member
- longitudinal axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
- A63B21/075—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle with variable weights, e.g. weight systems with weight selecting means for bar-bells or dumb-bells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
- A61H7/001—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for without substantial movement between the skin and the device
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
- A63B2209/10—Characteristics of used materials with adhesive type surfaces, i.e. hook and loop-type fastener
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/74—Miscellaneous features of sport apparatus, devices or equipment with powered illuminating means, e.g. lights
Abstract
A hollow dumbbell includes right and left shells which are connected to each other through a hollow neck member, and which respectively define two accommodation chambers therein adapted for containing liquid to increase the weight of the dumbbell. The neck member defines a passage therein which extends along a longitudinal axis and which has two ends that are in fluid communication with the accommodation chambers, respectively. An access port is provided to permit access to one of the accommodation chambers and the passage. A plug member is detachably inserted into the access port to close the same. A light-related brightening member is disposed in one of the right and left shells and the neck member.
Description
- 1. Field of the Invention
- This invention relates to a hollow dumbbell, more particularly to a hollow dumbbell adapted to be filled with liquid for increasing weight.
- 2. Description of the Related Art
- Referring to
FIG. 1 , aconventional dumbbell 1 is shown to include ahandle portion 11 and twoweight portions 12 which are formed in one piece of cast metal. Thedumbbell 1 is hard and rigid and may cause injuries if it slips off and falls and hits a user's feet or body. - Therefore, as shown in
FIG. 2 , anotherconventional dumbbell 2 is proposed, which is molded from a flexible plastic material. Thedumbbell 2 includes ahandle 21 and twoweight portions 22, with an accommodation space defined therein for receiving liquid, such as water, so as to increase the weight of thedumbbell 2. Anaccess hole 222 is formed in one of theweight portions 22 to provide access to the accommodation space. Aplug 223 is inserted detachably in theaccess hole 222 to close theaccess hole 222. Each of theweight portions 22 has a foldableouter wall 221 such that the dimension of the accommodation space of theweight portions 22 is changeable so as to adjust the weight of thedumbbell 2. However, as theconventional dumbbell 2 has a monotonous appearance, it is boring to perform exercises using thedumbbell 2. - The object of the present invention is to provide a hollow dumbbell which can be used under poor ambient light conditions and which has an appealing appearance.
- According to this invention, the hollow dumbbell includes right and left shells which are spaced apart from each other along a longitudinal axis, and which respectively define accommodation chambers therein adapted for containing liquid to increase weight of the dumbbell. A hollow neck member is elongated along the longitudinal axis, and interconnects the right and left shells. The neck member has a cross-section which is smaller than that of each of the right and left shells, and is adapted to be gripped by hand. The neck member defines a passage therein which extends along the longitudinal axis and which has two ends that are in fluid communication with the accommodation chambers, respectively. One of the right and left shells and the neck member is formed with an access port that provides access to a respective one of the accommodation chambers and the passage. A plug member is detachably inserted into the access port to close the access port. A light-related brightening member is disposed in one of the right and left shells and the neck member.
- Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiments of the invention, with reference to the accompanying drawings, in which:
-
FIG. 1 is a perspective view of a conventional dumbbell; -
FIG. 2 is an exploded perspective view of another conventional dumbbell; -
FIG. 3 is an exploded perspective view of the first preferred embodiment of a hollow dumbbell according to this invention; -
FIG. 4 is a fragmentary sectional view of the first preferred embodiment; -
FIG. 5 is a schematic view of the first preferred embodiment in a state of use; -
FIG. 6 is a fragmentary sectional view of the second preferred embodiment of a hollow dumbbell according to this invention; -
FIG. 7 is a fragmentary sectional view of the third preferred embodiment of a hollow dumbbell according to this invention; and -
FIG. 8 is a fragmentary sectional view of the fourth preferred embodiment of a hollow dumbbell according to this invention. - Before the present invention is described in greater detail, it should be noted that same reference numerals have been used to denote like elements throughout the specification.
- Referring to FIGS. 3 to 5, the first preferred embodiment of a
hollow dumbbell 3 according to the present invention is shown to comprise right andleft shells 5 which are spaced apart from each other along a longitudinal axis, ahollow neck member 4 which is elongated along the longitudinal axis and which interconnects the right andleft shells 5, aplug member 52, and a light-related brightening member. - The right and
left shells 5 and thehollow neck member 4 are molded into a one-piece construction from a transparent plastic material. Preferably, the transparent plastic material has incorporated therein a fluorescent substance. Each of the right andleft shells 5 defines anaccommodation chamber 30 therein so as to be adapted for containing liquid, such aswater 8, in order to increase the weight of thedumbbell 3. Theneck member 4 has a cross-section which is smaller than that of each of the right andleft shells 5 so as to be gripped by hand, and defines apassage 301 therein which extends along the longitudinal axis, and which has two ends that are in fluid communication with the accommodation chambers, respectively. An access port in form of aninlet 51 and is formed in theright shell 5 to provide access to theaccommodation chamber 30 of theright shell 5 such thatwater 8 can be introduced into theaccommodation chambers 30 and thepassage 301 through theinlet 51. - The
plug member 52 is detachably inserted into theinlet 51 so as to close theinlet 51. Particularly, theplug member 52 includes a threadedshank 521 which passes through an O-ring 7 and which engages threadedly an internally threadedsurface 511 of theinlet 51 so as to prevent leakage of thewater 8, and arotary knob 522 for rotating theplug member 52. - A
recess 41 is formed in anouter wall 42 of theneck member 4 which surrounds the longitudinal axis, extends inwardly towards thepassage 301, and is elongated along the longitudinal axis. The light-related brightening member includes a battery-poweredlighting body 6 which is received in therecess 41. The battery-poweredlighting body 6 includes twoilluminating portions 61 and acontrol switch 62 connected electrically to theilluminating portions 61. Alternatively, the brightening member may include a fluorescent bar which is made from a fluorescent material and which does not require a battery. - In use, the brightening
member 6 is first inserted into therecess 41 for illumination. Then, theaccommodation chambers 30 and thepassage 301 are filled withwater 8 introduced through theinlet 51 so that the brighteningmember 6 is retained in therecess 41 steadily. If desired, a plurality offluorescent bodies 81, such as fluorescent pellets or flakes, can be disposed in theaccommodation chambers 30 and thepassage 301 to mix with thewater 8. Finally, theplug member 52 is inserted into theinlet 51 to close theinlet 51. Referring toFIG. 5 , a flexible hook-and-loop strap 9 maybe fastened around theneck member 4 to increase the frictional force so as to facilitate gripping. - When the
dumbbell 3 of this invention is used in a relatively dark place, due to the presence of the brightening member, i.e. the battery-poweredlighting body 6 or the fluorescent bar and thefluorescent flakes 81, thedumbbell 3 is illuminated so that the pattern of movement of thedumbbell 3 can be identified, thereby enhancing the fun of exercising using thedumbbell 3. - Moreover, since the right and
left shells 5 and theneck member 4 are made from a flexible plastic material with an appropriate flexibility, thedumbbell 3 can be conveniently carried and stored. Besides, as water is readily available for filling thedumbbell 3, thedumbbell 3 can be used in almost any place. Furthermore, the overall weight of thedumbbell 3 can be varied to suit a variety of users by varying the amount of water introduced into thedumbbell 3. - Referring to
FIG. 6 , the second preferred embodiment of a dumbbell is shown to be similar to the first embodiment in construction, except that a plurality of battery-powered bodies orfluorescent bars 6′ are received in a plurality ofrecesses 53 that are formed in outer walls of the right andleft shells 5 which surround the longitudinal axis. - Referring to
FIG. 7 , the third preferred embodiment of a dumbbell is shown to be similar to the second embodiment in construction, except that theouter wall 42 of theneck member 4 is thicker than the outer wall of the neck member in the second embodiment so that thepassage 301 is comparatively narrow, thereby increasing the rigidity of theneck member 4. As such, theouter wall 42 of theneck member 4 in this embodiment may be formed with a rough gripped surface for massaging the user's hand during exercising. In addition, the access port includes right andleft inlets 32 which are formed in theouter wall 42 of theneck member 4 and which are respectively communicated with thepassage 301 respectively such that theliquid 8 can be introduced into thepassage 301 through the right andleft inlets 32. The plug member includes twoplugs 100, which are disposed to pass through two O-rings 110, respectively, and to engage threadedly the right andleft inlets 32, respectively. Note that one of theplugs 100 may be disposed to block thepassage 301 such that theaccommodation chambers 30 of the right andleft shells 5 are not communicated with each other and are respectively filled with theliquid 8. - Referring to
FIG. 8 , the fourth preferred embodiment of a dumbbell is similar to the third embodiment, except that abarrier portion 31 is formed integrally with theouter wall 42 of theneck member 4. Thecarrier portion 31 extends in radial directions relative to the longitudinal axis to be disposed in thepassage 301 between the ends to block thepassage 301 so as to divide thepassage 301 into right andleft passageways accommodation chambers 30 of the right andleft shells 5, respectively. As such, the right andleft inlets 32 are in fluid communication with the right andleft passageways - While the present invention has been described in connection with what is considered the most practical and preferred embodiments, it is understood that this invention is not limited to the disclosed embodiments but is intended to cover various arrangements included within the spirit and scope of the broadest interpretations and equivalent arrangements.
Claims (11)
1. A hollow dumbbell adapted to be filled with liquid therein for increasing weight thereof, said dumbbell comprising:
right and left shells spaced apart from each other along a longitudinal axis, and respectively defining two accommodation chambers adapted for containing the liquid therein;
a hollow neck member elongated along the longitudinal axis, and interconnecting said right and left shells, said neck member having a cross-section which is smaller than that of each of said right and left shells, and being adapted to be gripped by hand, said neck member defining a passage therein which extends along the longitudinal axis and which has two ends that are in fluid communication with said accommodation chambers, respectively;
one of said right and left shells and said neck member being formed with an access port that provides access to a respective one of said accommodation chambers and said passage;
a plug member detachably inserted into said access port so as to close said access port; and
a light-related brightening member disposed in one of said right and left shells and said neck member.
2. The hollow dumbbell of claim 1 , wherein said one of said right and left shells and said neck member has an outer wall which surrounds the longitudinal axis, and which is formed with a recess that extends towards a respective one of said accommodation chambers and said passage and that extends along the longitudinal axis, said light-related brightening member including a battery-powered lighting body which is received in said recess.
3. The hollow dumbbell of claim 2 , wherein said battery-powered lighting body includes two illuminating portions and a control switch electrically connected to said illuminating portions.
4. The hollow dumbbell of claim 2 , wherein said lighting body is made from a fluorescent material.
5. The hollow dumbbell of claim 2 , wherein said right and left shells and said hollow neck member are molded into a one-piece construction from a transparent plastic material.
6. The hollow dumbbell of claim 5 , wherein said light-related brightening member further includes a plurality of fluorescent bodies which are disposed in a respective one of said accommodation chambers and said passage and which are adapted to be mixed with the liquid.
7. The hollow dumbbell of claim 6 , wherein said fluorescent bodies are in form of flakes.
8. The hollow dumbbell of claim 5 , wherein said transparent plastic material has incorporated therein a fluorescent substance.
9. The hollow dumbbell of claim 1 , further comprising a flexible hook-and-loop strap fastened around said neck member to facilitate gripping.
10. The hollow dumbbell of claim 1 , wherein said plug member is engaged threadedly with said access port.
11. The hollow dumbbell of claim 1 , wherein said neck member has a barrier portion which is disposed in said passage between said ends and which extends in radial directions relative to the longitudinal axis to block said passage so as to divide said passage into right and left passageways that are in fluid communication with said accommodation chambers of said right and left shells, respectively,
said access port including right and left inlets which are disposed in said neck member and which are in fluid communication with said right and left passageways, respectively,
said plug member including right and left plugs which are disposed to engage threadedly said right and left inlets, respectively.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/669,939 US20050065001A1 (en) | 2003-09-24 | 2003-09-24 | Hollow dumbbell |
US10/866,583 US20050065002A1 (en) | 2003-09-24 | 2004-06-11 | Hollow dumbbell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/669,939 US20050065001A1 (en) | 2003-09-24 | 2003-09-24 | Hollow dumbbell |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/866,583 Continuation-In-Part US20050065002A1 (en) | 2003-09-24 | 2004-06-11 | Hollow dumbbell |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050065001A1 true US20050065001A1 (en) | 2005-03-24 |
Family
ID=34313794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/669,939 Abandoned US20050065001A1 (en) | 2003-09-24 | 2003-09-24 | Hollow dumbbell |
Country Status (1)
Country | Link |
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US (1) | US20050065001A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070287600A1 (en) * | 2006-06-08 | 2007-12-13 | Jerry Prenatt | Exercise device |
US20100248910A1 (en) * | 2009-03-26 | 2010-09-30 | Diluglio Anthony | Variable-weight kettlebell |
US20100248913A1 (en) * | 2008-06-02 | 2010-09-30 | Dickerson Mercedes L | Technique plates |
USD757190S1 (en) * | 2014-04-23 | 2016-05-24 | Jerry Prenatt | Exercise device |
USD762042S1 (en) * | 2013-10-02 | 2016-07-26 | Petco Wellness, Llc | Animal chew |
US9486664B2 (en) | 2014-04-23 | 2016-11-08 | Jerry Prenatt | Exercise device |
US10434359B2 (en) * | 2018-02-09 | 2019-10-08 | James Feng | Dumbbell |
US11007394B2 (en) * | 2018-12-21 | 2021-05-18 | Ohfg Technologies(Shanghai) Co., Ltd | Method of making a weight-type exercise device and a dumbbell and bell piece produced by the method |
US20230129601A1 (en) * | 2021-10-25 | 2023-04-27 | Frewoini Kassa | Fitness Weights Device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5056778A (en) * | 1990-04-06 | 1991-10-15 | Hull Harold L | Liquid filled dumbbell |
US5222929A (en) * | 1992-01-27 | 1993-06-29 | Richard Duda | Walking exercise apparatus |
US5379909A (en) * | 1990-01-16 | 1995-01-10 | Roark; Carlton | Fillable hand held exercise device comprised of one dual sided closure and at least one container |
US5393284A (en) * | 1993-12-29 | 1995-02-28 | Wesley; Jerry L. | Flexible barbell exercise apparatus |
US5431615A (en) * | 1993-08-06 | 1995-07-11 | Correll; Charles D. | Hand-held fitness device for promoting exercise |
US5441471A (en) * | 1994-11-04 | 1995-08-15 | Passer; Bernard J. | Universal sport handle |
US5871423A (en) * | 1997-09-30 | 1999-02-16 | Pruchnik; Zbigniew | Gyroscopic weight training devices |
-
2003
- 2003-09-24 US US10/669,939 patent/US20050065001A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5379909A (en) * | 1990-01-16 | 1995-01-10 | Roark; Carlton | Fillable hand held exercise device comprised of one dual sided closure and at least one container |
US5056778A (en) * | 1990-04-06 | 1991-10-15 | Hull Harold L | Liquid filled dumbbell |
US5222929A (en) * | 1992-01-27 | 1993-06-29 | Richard Duda | Walking exercise apparatus |
US5431615A (en) * | 1993-08-06 | 1995-07-11 | Correll; Charles D. | Hand-held fitness device for promoting exercise |
US5393284A (en) * | 1993-12-29 | 1995-02-28 | Wesley; Jerry L. | Flexible barbell exercise apparatus |
US5441471A (en) * | 1994-11-04 | 1995-08-15 | Passer; Bernard J. | Universal sport handle |
US5871423A (en) * | 1997-09-30 | 1999-02-16 | Pruchnik; Zbigniew | Gyroscopic weight training devices |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070287600A1 (en) * | 2006-06-08 | 2007-12-13 | Jerry Prenatt | Exercise device |
US7758477B2 (en) * | 2006-06-08 | 2010-07-20 | Jerry Prenatt | Exercise device |
US20100248913A1 (en) * | 2008-06-02 | 2010-09-30 | Dickerson Mercedes L | Technique plates |
US8128539B2 (en) * | 2008-06-02 | 2012-03-06 | Dickerson Mercedes L | Technique plates |
US20100248910A1 (en) * | 2009-03-26 | 2010-09-30 | Diluglio Anthony | Variable-weight kettlebell |
USD762042S1 (en) * | 2013-10-02 | 2016-07-26 | Petco Wellness, Llc | Animal chew |
USD757190S1 (en) * | 2014-04-23 | 2016-05-24 | Jerry Prenatt | Exercise device |
US9486664B2 (en) | 2014-04-23 | 2016-11-08 | Jerry Prenatt | Exercise device |
US10434359B2 (en) * | 2018-02-09 | 2019-10-08 | James Feng | Dumbbell |
US11007394B2 (en) * | 2018-12-21 | 2021-05-18 | Ohfg Technologies(Shanghai) Co., Ltd | Method of making a weight-type exercise device and a dumbbell and bell piece produced by the method |
US20230129601A1 (en) * | 2021-10-25 | 2023-04-27 | Frewoini Kassa | Fitness Weights Device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |