US630741A - Dumb-bell. - Google Patents
Dumb-bell. Download PDFInfo
- Publication number
- US630741A US630741A US70839099A US1899708390A US630741A US 630741 A US630741 A US 630741A US 70839099 A US70839099 A US 70839099A US 1899708390 A US1899708390 A US 1899708390A US 630741 A US630741 A US 630741A
- Authority
- US
- United States
- Prior art keywords
- dumb
- bell
- handle
- springs
- bells
- 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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/16—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for hands or fingers
Definitions
- My invention relates to improvements in dumbbells; and it consists in the application of one or more springs to the dumb-bell, so as to cause the same to require a firm grip when held in thehand.
- This firm grip of the dumbbell is intended to and does cause a continuous tension of the muscles of the arms, wrists, hands, and fingers when used for physicalculture exercises.
- the invention consists principally in the application of flat, curved, or spiral springs or rubber or compressed-air springs or a combination of several springs to the interior or to the handle portion of the dumb-bell in such a position and mannerthat when in use the grasp on the handle will cause the spring or springs to be compressed.
- dumb-bells may be constructed of wood, compressed pulp, metal, or other suitable material.
- the bar a and the'two bells b are divided-into two parts longitudinally, being hinged together at c at one end, and a bow-spring d fixed between the two to keep the two sections apart when not being held in the hand, the open ends being prevented from being extended too far apart by a band 6 of leather or other suitable material.
- the bells Z are hollow and are divided transversely instead of longitudinally. They are held together by a screw f.
- the handle consists of a series of spring-bars a bowed out in the center, which must be compressed when the handle is grasped.
- Figs. 8 and 9 resemble Fig. 2, with the exception that two coiled springs g are used at each end instead of one and the sections are kept from expanding too much by india-rubber bands 6.
- the bells b are made hollow, with conical centersinside.
- the handle is made of a series of bars a, bowed in the center and with their ends a beveled to fit against the cones inside the bells. The latter are held together by the screwed rod f and the cones are forced inward, so as to expand the handle, by coiled springs g. p
- each bell b is made in a box form and the ends of the curved bars Ct, which form the handle, fit inside the same,being expanded by split circular springs Zc'inside their cranked ends.
- a dumb-bell having a handle part composed of a plurality of parts adapted to be compressed together by the hand, as and for the purpose described.
- a dumb-bell having a handle consisting of a number of parts and resilient means for expanding said parts, adapted to be compressed by the hand, as and for the purpose described.
Description
Patented Aug. 8, I899. J. ROBINSON.
DUMB BELL No. 630,74l.
(Applicntiqn filed Mar. 9, 1899.)
2 Sheets-Sheet (No Model.)
INVENTOR JO6EPH ROBIN 60M W AW WITNESSES.
Hi6 H'rroRmE cs Patented Aug. 8, I899. J. ROBINSON.
DUMB BELL (Application filed Mar. 9, 1899,)
2 Sheets8haet z (No Model.)
INVENTOR' JOSEPH Rosmeorv ms HTTORNEY UNITED STATES ATENT OFFICE.
JOSEPH ROBINSON, OF IIONDON, ENGLAND, ASSIGNOR TO EUGEN SANDOW, OF SAME PLACE.
BELL.
SPECIFICATION forming part of Letters Patent No. 630,741, dated August 8, 1899.
Application filed March 9, 1899. serial No; 708,390. (No model.)
1'0 a. whom it may concern:
Be it known that I, JOSEPH ROBINSON, a subject of the Queen of Great Britain, residingat Hammersmith, London, England, have. invented new and useful Improvements in Dumb-Bells for Physical-Culture Exercises, of which the following is a specification.
My invention relates to improvements in dumbbells; and it consists in the application of one or more springs to the dumb-bell, so as to cause the same to require a firm grip when held in thehand. This firm grip of the dumbbell is intended to and does causea continuous tension of the muscles of the arms, wrists, hands, and fingers when used for physicalculture exercises.
The invention consists principally in the application of flat, curved, or spiral springs or rubber or compressed-air springs or a combination of several springs to the interior or to the handle portion of the dumb-bell in such a position and mannerthat when in use the grasp on the handle will cause the spring or springs to be compressed.
The dumb-bells may be constructed of wood, compressed pulp, metal, or other suitable material.
The manner in which myinvention is to be performed or carried into practical effect will be readily understood on reference to the two sheets of drawings hereunto annexed and the following explanation thereof.
It will be obvious that various ways of giving the expansive action to the bar or handle may be adopted without departing from the distinctive features of my invention; but for the sake of illustration I have shown on the drawings various different forms which the invention may take. 1 p
In the modification shownat Figure 1 the bar a and the'two bells b are divided-into two parts longitudinally, being hinged together at c at one end, and a bow-spring d fixed between the two to keep the two sections apart when not being held in the hand, the open ends being prevented from being extended too far apart by a band 6 of leather or other suitable material.
In the modification shown partly in section at Fig. 2 the two sections are held together by screws and are distended by coiled springs d.
In Fig. 3.the two sections are separated by a bow-spring d, as in Fig. 1, and are ,kept
in place by steady-pins h, and are prevented from expanding too much by india-rubber rings 6.
In the modification shown in longitudinal section at Fig. 4. and transverse section at Fig; 5 the bells Z) are hollow and are divided transversely instead of longitudinally. They are held together by a screw f. The handle consists of a series of spring-bars a bowed out in the center, which must be compressed when the handle is grasped.
The modification shown at Figs. 6 and 7 is somewhat similar, with the addition of a spi ral spring i inside, the tension of which can be increased or diminished by turning the screw f.
Figs. 8 and 9 resemble Fig. 2, with the exception thattwo coiled springs g are used at each end instead of one and the sections are kept from expanding too much by india-rubber bands 6.
In the modification shown partially in sec* tion at Fig. 10 the bells b are made hollow, with conical centersinside. The handle is made of a series of bars a, bowed in the center and with their ends a beveled to fit against the cones inside the bells. The latter are held together by the screwed rod f and the cones are forced inward, so as to expand the handle, by coiled springs g. p
In the modification shown in partial sectional elevation at Fig. 11 and transverse section at Fig. 12 the interior of each bell b is made in a box form and the ends of the curved bars Ct, which form the handle, fit inside the same,being expanded by split circular springs Zc'inside their cranked ends.
I claim as my invention 1. A' dumb-bell having a handle part composed of a plurality of parts adapted to be compressed together by the hand, as and for the purpose described.
2. A dumb-bell having a handle consisting of a number of parts and resilient means for expanding said parts, adapted to be compressed by the hand, as and for the purpose described.
In testimony whereof I have signed my two subscribing witnesses.
' JOSEPH ROBINSON.
Witnesses:
CHAS. Roonn, G. W. SMITH.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70839099A US630741A (en) | 1899-03-09 | 1899-03-09 | Dumb-bell. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70839099A US630741A (en) | 1899-03-09 | 1899-03-09 | Dumb-bell. |
Publications (1)
Publication Number | Publication Date |
---|---|
US630741A true US630741A (en) | 1899-08-08 |
Family
ID=2699336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US70839099A Expired - Lifetime US630741A (en) | 1899-03-09 | 1899-03-09 | Dumb-bell. |
Country Status (1)
Country | Link |
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US (1) | US630741A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2848234A (en) * | 1957-07-24 | 1958-08-19 | Thomas O Brandon | Golf swing-conditioner |
US3497216A (en) * | 1966-03-02 | 1970-02-24 | Jack Vincent Feather | Spring type bust developer |
US4572503A (en) * | 1983-01-17 | 1986-02-25 | Cho Myung Ho | Pivotal skipping rope handles having spring resistance |
US5072927A (en) * | 1989-06-20 | 1991-12-17 | Santos James P | Hand exercise device |
US11554291B2 (en) * | 2015-12-03 | 2023-01-17 | HCD Agency LLC | Hinged arm muscle exercise device |
-
1899
- 1899-03-09 US US70839099A patent/US630741A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2848234A (en) * | 1957-07-24 | 1958-08-19 | Thomas O Brandon | Golf swing-conditioner |
US3497216A (en) * | 1966-03-02 | 1970-02-24 | Jack Vincent Feather | Spring type bust developer |
US4572503A (en) * | 1983-01-17 | 1986-02-25 | Cho Myung Ho | Pivotal skipping rope handles having spring resistance |
US5072927A (en) * | 1989-06-20 | 1991-12-17 | Santos James P | Hand exercise device |
US11554291B2 (en) * | 2015-12-03 | 2023-01-17 | HCD Agency LLC | Hinged arm muscle exercise device |
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