US Patent 10422606 Speargun with a spear drive shaft
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Patent abstract
The present invention relates to a new type of speargun which uses a continuously-variable-transmission drive system for energy storage and transmission of motion of the ejection device (which may be a piston, a rubber element or a spring) to the spear. The continuously-variable-transmission drive system consists of a shaft (10), the winding drums (8-8.1-9) and the ropes (4), (11). In order to double, triple and quadruple the energy storage to the ejection device, the drive system consists of the respective number of shafts, winding drums and ropes.
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Patent Jurisdiction
Patent Number
104226060
Date of Patent
September 24, 2019
0Patent Application Number
144082980
Date Filed
June 17, 2013
0Official Website
Patent Citations Received
Patent Primary Examiner
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Patent Jurisdiction
Patent Number
104226060
Date of Patent
September 24, 2019
0Patent Application Number
144082980
Date Filed
June 17, 2013
0Official Website
Patent Primary Examiner
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US Patent 10422606 Speargun with a spear drive shaft
Infobox
Is a
Patent jurisdiction
Patent number
10422606
Date of patent
September 24, 2019
Patent application number
14408298
Date Filed
June 17, 2013
Patent primary examiner
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