An improved grip dumb-bell for promoting physical or muscular development and for exercise / [Joseph Szalay].

  • Szalay, Joseph.
Date:
1902
Catalogue details

Licence: Public Domain Mark

Credit: An improved grip dumb-bell for promoting physical or muscular development and for exercise / [Joseph Szalay]. Source: Wellcome Collection.

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    N° 21,052 A.D. 1901 Date of Application, 21st Oct., 1901 Complete Specification Left, 8th Jan., 1902—Accepted, 20th Mar., 1902 PROVISIONAL SPECIFICATION. An Improved Grip Dumb-bell for Promoting Physical or Muscular Development and for Exercise Joseph Szalay, of 12, Cullum Street London E.C. Teacher of Physical Culture do hereby declare the nature of this invention to be as follows.: —• The object of this invention is to provide an improved dumbbell, with a pneumatic air cushion, or ball, of compressed air between the two hollow halves 5 of such dumbbell, forming a ready means to concentrate the will power and energy of the user for promoting physical development in connection with exercise. “ Dated this 21s day of October 1901.” %J JOSEPH 1SZALAY. 10 COMPLETE SPECIFICATION. An Improved Grip Dumb-bell for Promoting Physical or Muscular Development and for Exercise. Joseph Szalay. of 12. Cullum Street, London. E.C. Teacher of Phvsical Culture do hereby declare the nature of this invention and in what manner the same 16 is to be performed, to be particularly described and ascertained in and by the following statement: — The object of this invention is to provide an improved dumbbell with pneumatic air cushions or balls of compressed air between the two hollow' halves of such device, forming a ready means to aid the concentration of the will pow7er and 20 energy of the user, and for the promoting of physical development in connection with exercise. The construction of my invention can be readily understood on reference to the accompanying drawings Fig. 1. A. is a metal casting in the form as illustrated, containing hollow 25 sections in the inner parts of the sphere, and a groove surrounding the outer part, such casting or device I may make in any other suitable substance, such as w ood, compressed pulp, gutta percha, metal compositions or aluminium. Fig. 2. B. is its companion or other half, with the pneumatic balls in position. Fig 3. C. is the ball, fitted with an airtight valve, to allow7 the required air .30 to be inflated or compressed into the said ball or balls, so as to regulate the amount of hardness or pressure necessary during the exercise in connection with, the device. Fig. 4. D. is a rubber or elastic band, to hold the two halves together and keep the balls in position, the balls being not fixed may readily be changed in case 35 of need, or may be employed without the valve, provided they contain the, required amount of compressed air. Fig. 5. E. is an illustration to show7 the said improved grip dumbbell as held \Price 8<L]