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    • 28. 发明专利
    • Apparatus for offering resistance training
    • GB2595449A
    • 2021-12-01
    • GB202007440
    • 2020-05-19
    • SEAN ROBERT CAYLESSSCI SPORT LTD
    • SEAN ROBERT CAYLESS
    • A63B59/70A63B21/06A63B60/22A63B60/24A63B69/00
    • Apparatus for offering resistance training comprises a hollow hand held sports instrument for hitting objects in a game into which varying amounts of fluid, or sand, or lead shot, or gravel, or iron filings, or resin are poured or any other material which is pourable or urgeable into open end 105 at place of manufacture, or at point of sale or at point of usage or at any point in the distribution chain to increase the instrument’s temporary or permanent weight to a pre-set figure for resistance training; the open end thereafter sealed by releasable apparatus comprising hollow end cap 103 permanently fitted into the upper open portion of the hand held sports instrument; thereafter external screw thread on water-tight stopper 102 correspondingly engaging with internally threaded portion of end cap 103; pronged key 101 manually engages into recesses on upper portion of water-tight stopper and is turned to seal contents within the hollow shaft until resistance training is concluded, whereupon key 101 may be manually engaged with water tight stopper 102 to appropriately release contents; to revert the hand held sports instrument to pre-resistance usage, for example in competition, key 101 may manually close open end 105 by securing water-tight stopper.