US3171652A - Exercising weight filled with solidified material - Google Patents
Exercising weight filled with solidified material Download PDFInfo
- Publication number
- US3171652A US3171652A US183000A US18300062A US3171652A US 3171652 A US3171652 A US 3171652A US 183000 A US183000 A US 183000A US 18300062 A US18300062 A US 18300062A US 3171652 A US3171652 A US 3171652A
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- US
- United States
- Prior art keywords
- shell
- weights
- exercising
- weight
- solidified material
- 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.)
- Expired - Lifetime
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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
- A63B21/0601—Special physical structures of used masses
- A63B21/0604—Solid masses, e.g. concrete
-
- 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
- A63B21/0724—Bar-bells; Hand bars
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S273/00—Amusement devices: games
- Y10S273/04—Ethylene
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S273/00—Amusement devices: games
- Y10S273/06—Nylon
Definitions
- My invention relates to exercising apparatus and particularly concerns improvements in the design of the weights used in bar bells and the like.
- weights used on such apparatus have customarily been made of cast iron or other metals. Weights of such construction necessarily are expensive because of materials used, processing means available, and high transportation costs.
- An object of this invention is to overcome these known disadvantages of the prior art exercising weights.
- a further object of my invention is to provide a shell, into which the user will pour concrete or other suitable matter. V/hen filled, the shell will provide the necessary weight for exercising and will overcome the disadvantages known in present day exercising weights.
- a still further object of my invention is to provide an easily manufactured, low cost weight for exercising apparatus.
- Yet another object is to create a colorful, easily cleaned, and more attractive article of this nature.
- a further object is to provide a weight which is by virtue of its construction, appearance, and cleanliness ex tremely suitable for use in hospitals, schools, health gymnasiums, and homes.
- Another object is to provide a casting form for an exercising weight, the form remaining about the material therein to prevent chipping, spilling, or other events which would result in an undesirable loss of weight.
- this invention contemplates a form or shell which has the walls thereof indented so that the weight material will be more etfectively held and bonded to the walls of the shell than in prior filled weights.
- FIG. 1 is a cross-sectional view of an embodiment of my invention
- FIG. 2 is a view of one face of the weight shown in FIG. 1.
- the invention comprises a mold for forming the Weights of a conventional bar hell or other exercising 3,l?l,552 Patented Mar. 2, l9fi5 apparatus.
- This mold or shell may be made of any suitable material, but in its preferred form is made of nylon, polyethylene, or other durable plastic material.
- the plastic may be of various colors to add to the attractiveness of the improved Weights.
- the hollow shells may be sold to the user along with necessary hardware to complete the apparatus.
- the shells for the weights may be filled by the user with a suitable dense material.
- a suitable dense material I prefer to use a material which sets as concrete or plaster, hardening after being poured in the shell.
- the filling material must be such that it may be fluid at a temperature at which it is compatible with the shell material, so that there will be no damage to the shell during the filling operation.
- the bar bells are preferably constructed and sold with the weight material already installed.
- the weights are made in various sizes and may be mounted in combinations to provide a wide range and great selectivity in the weight of the bar bell assembly. if the shells are to be filled with a known material, their weights may be marked during manufacture, or a color code may be used to identify the various weights.
- the Weights may be of any shape, although the toroidal form shown in the drawing is the preferred form of the invention. The color may be chosen to match or blend with the surrounding colors of the room where stored and used so that they are more attractive and decorative than the customary all-metal bar bell sets.
- FIG. 1 A preferred embodiment of my invention is disclosed in FIG. 1.
- the shell has an outer rim portion generally cylindrical in shape, which appears fiat at its peripheral portion in the cross-sectional view.
- This construction has the advantage that it prevents the weights from creasing and damaging a floor on which they are placed.
- the shell 19 used for this weight has an aperture in the outer rim thereof which is closed by a plug 13.
- the plug 18 may be alfixed in any manner but preferably is sealed in position after filling by applying heat to the thermoplastic plug to cause it to bond to the shell.
- Each face of the shell has annular indentations 17 which project into the shell cavity and assist in bonding the dense material 13 to the shell 19 and tend to prevent relative movement of the set up filling material with respect to the shell.
- An exercising Weight of fixed value for use with bar bells comprising a shell of resilient plastic material having a cavity therein filled with a solidified dense material, said shell having walls with indentations therein projecting into the solidified dense material within the shell.
Description
March 2, 1965 J. w. NEWMAN EXERCISING WEIGHT FILLED WITH SOLIDIF'IED MATERIAL Filed March 21, 1962 Fl G 2 INVENTOR Joe W. Newman ATTORNEYS United States Patent 3,171,652 EXERCISING weren't FILLED WITH scriptural) MATERIAL Joe W. Newman, Mobile, Ala, assignor to Newman, Dukes & Cline, Inc. Filed Mar. 21, 1962, Ser. No. 1335,6 36 It Claim. (Cl. 27284) This application discloses and claims a variation of the device disclosed in my prior application Serial Number 137,850, filed September 13, 1961, now abandoned.
My invention relates to exercising apparatus and particularly concerns improvements in the design of the weights used in bar bells and the like.
The weights used on such apparatus have customarily been made of cast iron or other metals. Weights of such construction necessarily are expensive because of materials used, processing means available, and high transportation costs.
These metallic weights have numerous disadvantages among which are the following: they rust and consequently do not appear clean, healthful and attractive; they make annoying clanging noises; they are extremely hard and their rims are narrow, so they badly mar wooden and synthetic tile floor coverings; and due to their coarse appearance many persons, especially Women, find it unpleasant and depressing to use them for exercising.
An object of this invention is to overcome these known disadvantages of the prior art exercising weights.
A further object of my invention is to provide a shell, into which the user will pour concrete or other suitable matter. V/hen filled, the shell will provide the necessary weight for exercising and will overcome the disadvantages known in present day exercising weights.
A still further object of my invention is to provide an easily manufactured, low cost weight for exercising apparatus.
Yet another object is to create a colorful, easily cleaned, and more attractive article of this nature.
A further object is to provide a weight which is by virtue of its construction, appearance, and cleanliness ex tremely suitable for use in hospitals, schools, health gymnasiums, and homes.
Another object is to provide a casting form for an exercising weight, the form remaining about the material therein to prevent chipping, spilling, or other events which would result in an undesirable loss of weight.
Particularly, this invention contemplates a form or shell which has the walls thereof indented so that the weight material will be more etfectively held and bonded to the walls of the shell than in prior filled weights.
Still further objects and the entire scope of applicability of the present invention will become apparent from the detailed description given hereinafter. It should be understood, however, that the detailed description and specific examples are given by way of illustration only and, while indicating preferred embodiments of the invention, are not given by way of limitation, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.
Further advantages to be derived from my invention will become apparent upon reading the description contained hereafter.
In the drawings:
FIG. 1 is a cross-sectional view of an embodiment of my invention;
FIG. 2 is a view of one face of the weight shown in FIG. 1.
Briefly, the invention comprises a mold for forming the Weights of a conventional bar hell or other exercising 3,l?l,552 Patented Mar. 2, l9fi5 apparatus. This mold or shell may be made of any suitable material, but in its preferred form is made of nylon, polyethylene, or other durable plastic material. The plastic may be of various colors to add to the attractiveness of the improved Weights.
When any exercising apparatus using my Weights is marketed, the hollow shells may be sold to the user along with necessary hardware to complete the apparatus. Before the apparatus is used, the shells for the weights may be filled by the user with a suitable dense material. I prefer to use a material which sets as concrete or plaster, hardening after being poured in the shell. Of course, the filling material must be such that it may be fluid at a temperature at which it is compatible with the shell material, so that there will be no damage to the shell during the filling operation. The bar bells, however, are preferably constructed and sold with the weight material already installed.
As with conventional bar bells, the weights are made in various sizes and may be mounted in combinations to provide a wide range and great selectivity in the weight of the bar bell assembly. if the shells are to be filled with a known material, their weights may be marked during manufacture, or a color code may be used to identify the various weights. The Weights may be of any shape, although the toroidal form shown in the drawing is the preferred form of the invention. The color may be chosen to match or blend with the surrounding colors of the room where stored and used so that they are more attractive and decorative than the customary all-metal bar bell sets.
A preferred embodiment of my invention is disclosed in FIG. 1. As illustrated the shell has an outer rim portion generally cylindrical in shape, which appears fiat at its peripheral portion in the cross-sectional view. This construction has the advantage that it prevents the weights from creasing and damaging a floor on which they are placed. The shell 19 used for this weight has an aperture in the outer rim thereof which is closed by a plug 13. The plug 18 may be alfixed in any manner but preferably is sealed in position after filling by applying heat to the thermoplastic plug to cause it to bond to the shell. Each face of the shell has annular indentations 17 which project into the shell cavity and assist in bonding the dense material 13 to the shell 19 and tend to prevent relative movement of the set up filling material with respect to the shell.
I have provided herein a highly useful bar bell assembly which is economical to manufacture and yet possesses durability with attractiveness and a surface on the weights that is fully smooth, colorful, and pleasing throughout.
What I claim and desire to secure by Letters Patent is:
An exercising Weight of fixed value for use with bar bells comprising a shell of resilient plastic material having a cavity therein filled with a solidified dense material, said shell having walls with indentations therein projecting into the solidified dense material within the shell.
References Cited by the Examiner UNITED STATES PATENTS 907,965 12/08 Calvert 27284 1,270,034 6/18 Krudop 272--84 1,918,142 7/33 Smith 27284 2,447,218 8/48 Trzesniewski 27284 FOREIGN PATENTS 499,3 05 1/39 Great Britain.
DELBERT B. LOWE, Primary Examiner. JAMES W. LOVE, Examiner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US183000A US3171652A (en) | 1962-03-21 | 1962-03-21 | Exercising weight filled with solidified material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US183000A US3171652A (en) | 1962-03-21 | 1962-03-21 | Exercising weight filled with solidified material |
Publications (1)
Publication Number | Publication Date |
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US3171652A true US3171652A (en) | 1965-03-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US183000A Expired - Lifetime US3171652A (en) | 1962-03-21 | 1962-03-21 | Exercising weight filled with solidified material |
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Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3226117A (en) * | 1963-04-15 | 1965-12-28 | Hamlin Products Inc | Bar bell disk weight construction |
US3343836A (en) * | 1964-11-18 | 1967-09-26 | Diversified Prod | Weighted exercising shoe |
US3463486A (en) * | 1967-07-31 | 1969-08-26 | Diversified Prod | Barbell weight |
US3464692A (en) * | 1965-07-22 | 1969-09-02 | Diversified Prod | Combination resilient shell filled with solidified dense material and sealing plug |
US3482834A (en) * | 1967-08-31 | 1969-12-09 | Diversified Prod | Cementitious dumbbell |
US3776172A (en) * | 1971-10-15 | 1973-12-04 | L Lambert | Anchor |
US3971559A (en) * | 1973-09-17 | 1976-07-27 | Bat Weight, Inc. | Weighting device for attachment to baseball bats |
EP0063249A2 (en) * | 1981-04-18 | 1982-10-27 | Eberhard Plötz | Synthetic dumb bell |
US4709920A (en) * | 1985-11-09 | 1987-12-01 | Josef Schnell | Exercising apparatus |
US4834396A (en) * | 1986-07-09 | 1989-05-30 | Josef Schnell | Multi-exercising apparatus |
US5040787A (en) * | 1989-02-06 | 1991-08-20 | Brotman Eric M | Auxiliary magnetic weights |
US5256121A (en) * | 1989-02-06 | 1993-10-26 | Brotman Eric M | Auxiliary magnetic weights |
US5316531A (en) * | 1992-06-03 | 1994-05-31 | Wrs Group, Inc. | Hand held weighted devices for aerobic exercise |
US5379459A (en) * | 1993-02-05 | 1995-01-10 | Natraflex Systems, Inc. | Baseball glove incorporating aramid braces |
US5395296A (en) * | 1985-11-08 | 1995-03-07 | Webster; Timothy D. | Exercise apparatus utilizing array of elastic means |
US5435798A (en) * | 1993-08-17 | 1995-07-25 | Pacific Fitness Corporation | Exercise apparatus with electronically variable resistance |
USD380510S (en) * | 1995-11-07 | 1997-07-01 | Porkka Jonathan M | Bicycle training weight |
US5752898A (en) * | 1995-11-07 | 1998-05-19 | Porkka; Jonathan M. | Bicycle training weight |
US5876312A (en) * | 1997-04-28 | 1999-03-02 | Mcclendon; Gilbert M | Exercise walking stick |
USD428947S (en) * | 1999-06-09 | 2000-08-01 | Usa Sports, Inc. | Weight plate |
US6120420A (en) * | 1999-03-16 | 2000-09-19 | Mass Production, Inc. | Exercise device |
WO2004007030A1 (en) * | 2002-07-11 | 2004-01-22 | Frank Magnus | Wooden dumbbell |
US6746380B2 (en) | 2001-01-11 | 2004-06-08 | Usa Sports, Inc. | Weight plate |
US20050096195A1 (en) * | 2003-10-29 | 2005-05-05 | Sylvain Morrissette | Exercise weight comprising a permeable housing |
US7198591B2 (en) | 2005-03-18 | 2007-04-03 | Usa Sports, Inc. | Weight plate for interlocking and weight adjustment |
US20070135271A1 (en) * | 2004-09-10 | 2007-06-14 | Louis Lien | Weight plate |
US20070287611A1 (en) * | 2006-06-13 | 2007-12-13 | Escape Fitness Limited | Exercise device |
US20090227431A1 (en) * | 2008-03-05 | 2009-09-10 | Ron Hsieh | Weight Plate |
US20090302137A1 (en) * | 2008-06-09 | 2009-12-10 | Senninger Irrigation Inc. | Weighted sprinkler head apparatus |
CN101966378A (en) * | 2010-10-18 | 2011-02-09 | 杨旭 | Novel disk |
USD882562S1 (en) * | 2018-05-19 | 2020-04-28 | Soehnke Kleiner | Turntable of a record player |
WO2021092033A1 (en) * | 2019-11-04 | 2021-05-14 | Coulter Ventures, LLC | Weight plate |
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 |
WO2021252510A1 (en) * | 2020-06-10 | 2021-12-16 | Paradigm Barbell Inc. | Composite exercise weights |
US11331531B2 (en) * | 2018-09-12 | 2022-05-17 | Jordan Banfield | Mind to muscle connection training |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US907965A (en) * | 1908-03-27 | 1908-12-29 | Alan Calvert | Dumb-bell and the like. |
US1270034A (en) * | 1918-03-09 | 1918-06-18 | Donald G Krudop | Bar-bell. |
US1918142A (en) * | 1932-10-26 | 1933-07-11 | Purnell W Smith | Exercising device |
US2447218A (en) * | 1945-03-09 | 1948-08-17 | Trzesniewski Stanley | Bar bell |
-
1962
- 1962-03-21 US US183000A patent/US3171652A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US907965A (en) * | 1908-03-27 | 1908-12-29 | Alan Calvert | Dumb-bell and the like. |
US1270034A (en) * | 1918-03-09 | 1918-06-18 | Donald G Krudop | Bar-bell. |
US1918142A (en) * | 1932-10-26 | 1933-07-11 | Purnell W Smith | Exercising device |
US2447218A (en) * | 1945-03-09 | 1948-08-17 | Trzesniewski Stanley | Bar bell |
Cited By (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3226117A (en) * | 1963-04-15 | 1965-12-28 | Hamlin Products Inc | Bar bell disk weight construction |
US3343836A (en) * | 1964-11-18 | 1967-09-26 | Diversified Prod | Weighted exercising shoe |
US3464692A (en) * | 1965-07-22 | 1969-09-02 | Diversified Prod | Combination resilient shell filled with solidified dense material and sealing plug |
US3463486A (en) * | 1967-07-31 | 1969-08-26 | Diversified Prod | Barbell weight |
US3482834A (en) * | 1967-08-31 | 1969-12-09 | Diversified Prod | Cementitious dumbbell |
US3776172A (en) * | 1971-10-15 | 1973-12-04 | L Lambert | Anchor |
US3971559A (en) * | 1973-09-17 | 1976-07-27 | Bat Weight, Inc. | Weighting device for attachment to baseball bats |
EP0063249A2 (en) * | 1981-04-18 | 1982-10-27 | Eberhard Plötz | Synthetic dumb bell |
EP0063249A3 (en) * | 1981-04-18 | 1983-05-25 | Eberhard Plotz | Synthetic dumb bell |
US5395296A (en) * | 1985-11-08 | 1995-03-07 | Webster; Timothy D. | Exercise apparatus utilizing array of elastic means |
US5823925A (en) * | 1985-11-08 | 1998-10-20 | Blodgett & Blodgett, P.C. | Stretching apparatus using elastic cords |
US4709920A (en) * | 1985-11-09 | 1987-12-01 | Josef Schnell | Exercising apparatus |
US4834396A (en) * | 1986-07-09 | 1989-05-30 | Josef Schnell | Multi-exercising apparatus |
US5348522A (en) * | 1989-02-06 | 1994-09-20 | Brotman Eric M | Auxiliary magnetic weights and method of using same |
US5256121A (en) * | 1989-02-06 | 1993-10-26 | Brotman Eric M | Auxiliary magnetic weights |
US5040787A (en) * | 1989-02-06 | 1991-08-20 | Brotman Eric M | Auxiliary magnetic weights |
US5316531A (en) * | 1992-06-03 | 1994-05-31 | Wrs Group, Inc. | Hand held weighted devices for aerobic exercise |
US5379459A (en) * | 1993-02-05 | 1995-01-10 | Natraflex Systems, Inc. | Baseball glove incorporating aramid braces |
US5435798A (en) * | 1993-08-17 | 1995-07-25 | Pacific Fitness Corporation | Exercise apparatus with electronically variable resistance |
US5752898A (en) * | 1995-11-07 | 1998-05-19 | Porkka; Jonathan M. | Bicycle training weight |
USD380510S (en) * | 1995-11-07 | 1997-07-01 | Porkka Jonathan M | Bicycle training weight |
US5876312A (en) * | 1997-04-28 | 1999-03-02 | Mcclendon; Gilbert M | Exercise walking stick |
US6120420A (en) * | 1999-03-16 | 2000-09-19 | Mass Production, Inc. | Exercise device |
USD428947S (en) * | 1999-06-09 | 2000-08-01 | Usa Sports, Inc. | Weight plate |
US7300389B2 (en) | 2001-01-11 | 2007-11-27 | Usa Sports, Inc. | Weight plate |
US6746380B2 (en) | 2001-01-11 | 2004-06-08 | Usa Sports, Inc. | Weight plate |
US7704196B2 (en) | 2001-01-11 | 2010-04-27 | Usa Sports, Inc. | Weight plate |
US20060229172A1 (en) * | 2001-01-11 | 2006-10-12 | Usa Sports, Inc. | Weight Plate |
WO2004007030A1 (en) * | 2002-07-11 | 2004-01-22 | Frank Magnus | Wooden dumbbell |
US20050096195A1 (en) * | 2003-10-29 | 2005-05-05 | Sylvain Morrissette | Exercise weight comprising a permeable housing |
US20070135271A1 (en) * | 2004-09-10 | 2007-06-14 | Louis Lien | Weight plate |
US7828702B2 (en) | 2004-09-10 | 2010-11-09 | Usa Sports, Inc. | Weight plate |
US20070142188A1 (en) * | 2005-03-18 | 2007-06-21 | Usa Sports, Inc. | Method of manufacturing a weight plate for interlocking and weight adjustment |
US20070155593A1 (en) * | 2005-03-18 | 2007-07-05 | Usa Sports, Inc. | Weight Plate for Interlocking and Weight Adjustment |
US7198591B2 (en) | 2005-03-18 | 2007-04-03 | Usa Sports, Inc. | Weight plate for interlocking and weight adjustment |
US7517305B2 (en) | 2005-03-18 | 2009-04-14 | Usa Sports, Inc. | Weight plate for interlocking and weight adjustment |
US7922633B2 (en) * | 2006-06-13 | 2011-04-12 | Escape Fitness Limited | Exercise device |
US20070287611A1 (en) * | 2006-06-13 | 2007-12-13 | Escape Fitness Limited | Exercise device |
US20090227431A1 (en) * | 2008-03-05 | 2009-09-10 | Ron Hsieh | Weight Plate |
US7677475B2 (en) | 2008-06-09 | 2010-03-16 | Senninger Irrigation Inc. | Weighted sprinkler head apparatus |
US20090302137A1 (en) * | 2008-06-09 | 2009-12-10 | Senninger Irrigation Inc. | Weighted sprinkler head apparatus |
CN101966378A (en) * | 2010-10-18 | 2011-02-09 | 杨旭 | Novel disk |
USD882562S1 (en) * | 2018-05-19 | 2020-04-28 | Soehnke Kleiner | Turntable of a record player |
US11331531B2 (en) * | 2018-09-12 | 2022-05-17 | Jordan Banfield | Mind to muscle connection training |
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 |
WO2021092033A1 (en) * | 2019-11-04 | 2021-05-14 | Coulter Ventures, LLC | Weight plate |
WO2021252510A1 (en) * | 2020-06-10 | 2021-12-16 | Paradigm Barbell Inc. | Composite exercise weights |
US20210387040A1 (en) * | 2020-06-10 | 2021-12-16 | Paradigm Barbell Inc. | Composite exercise weights |
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