US2003096679A1PendingUtilityA1

Portable power training device

Assignee: LIGHTYEAR LTDPriority: Nov 21, 2001Filed: Nov 21, 2001Published: May 22, 2003
Est. expiryNov 21, 2021(expired)· nominal 20-yr term from priority
A63B 21/0552A63B 21/0004A63B 21/00043A63B 21/0442A63B 21/0555A63B 21/0557A63B 21/154A63B 2208/0228
34
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Claims

Abstract

A portable power training device for developing and strengthening body muscles by manually overcoming spring forces comprises a base body and at least one rope-like spring element. The base body is realized in the form of a long integral profile and contains at least one groove section for inserting the spring element which extends parallel to its longitudinal extent. One eyelet, through which the rope element is guided, is respectively arranged within the region of the free ends of the base body in the groove sections, wherein the rope element respectively has a thickening, the diameter of which is greater than the diameter of the eyelet, on its free ends. This power training device is characterized by a simple design and makes it possible to perform a series of training exercises that stress different muscle sections.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A portable power training device for developing and strengthening body muscles by manually overcoming spring forces, comprising: 
 a base body in the form of a long integral profile, having two free ends;    at least one rope-like spring element disposed on said base body, wherein said at least one rope-like spring element has at least one free end;    at least one groove section for inserting said at least one rope-like spring element, wherein said at least one groove section comprises a floor and groove walls and extends parallel to said rope-like spring element;    at least one eyelet, through which said at least one rope-like spring element is guided, wherein said at least one eyelet is disposed at said free ends of said base body in said at least one groove section; and    at least one thickened end on said at least one free end of said at least one rope-like spring element, wherein said at least one thickened end has a diameter greater than a diameter of said at least one eyelet.    
     
     
         2 . The portable power training device according to  claim 1 , wherein said base body is a profiled rod.  
     
     
         3 . The portable power training device according to  claim 2 , wherein a bow-type handle is integrally formed onto said profiled rod in a central section of said profiled rod's longitudinal extent.  
     
     
         4 . The portable power training device according to claim  31  wherein said bow-type handle has a length of approximately 30 cm.  
     
     
         5 . The portable power training device according to  claim 2 , wherein said at least one groove section in said profiled rod extends over said profiled rod's entire length.  
     
     
         6 . The portable power training device according to  claim 5 , wherein said groove walls of said profiled rod comprise a flattened section in a central section of said profiled rod's longitudinal extent.  
     
     
         7 . The portable power training device according to  claim 3 , wherein grips are integrally formed onto the surface of said bow-type handle or on the surface of said profiled rod.  
     
     
         8 . The portable power training device according to  claim 1 , wherein said base body is manufactured from aluminum.  
     
     
         9 . The portable power training device according to  claim 1 , wherein said at least one rope-like spring element is a rubber cord.  
     
     
         10 . The portable power training device according to  claim 9 , wherein said at least one thickened end disposed on said at least one free end of said at least one rope-like spring element is in the form of a rubber body that is integrally connected to said rubber cord.  
     
     
         11 . The portable power training device according to  claim 10 , wherein each rubber body has a spherical shape.  
     
     
         12 . The portable power training device according to  claim 11 , wherein said free ends of said profiled rod contain concave contact surfaces for said rubber body having said spherical shape.  
     
     
         13 . The portable power training device according to  claim 1 , wherein said eyelet disposed in said at least one groove section is limited by a pulley for said at least one rope-like spring element, wherein said pulley is rotatably arranged on an axle that is mounted on said groove walls at a defined distance from said floor of said at least one groove section.  
     
     
         14 . The portable power training device according to  claim 13 , wherein said axle of said pulley is detachably mounted on said groove walls.

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