Weight training machine capable of adjusting strength
AssigneeSports Art Industrial Co., Ltd.
InventorHai-Pin Kuo
Life of this patent
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Abstract
A weight training machine generally includes a supportive frame, a first mechanism, and a second mechanism. The first mechanism includes a first weight stack, a first cable system, and a second cable system. The second mechanism includes a second weight stack, a third cable system, and a fourth cable system. In each of the first and second mechanisms, one end of a cable can be easily attached to a moving pulley block to have the moving pulley block converted to a fixed pulley block. As a result, the force applied to a handle for lifting the associated weight stack becomes double as compared to the cable being not attached to the moving pulley block.
Claims5
A weight training machine, comprising:
- a supportive frame;
- and
- a first mechanism including:
- a first weight stack being stacked up with a plurality of weight plates;
- a first cable system including a first adjustment assembly, a first adjustable pulley block attached to the first adjustment assembly, a first cable, a first group of fixed pulleys mounted at the supportive frame, a first moving pulley block, and a first handle for being grasped by one hand of a user, wherein the first cable is connected at a first end thereof to the first adjustment assembly and routed around the first group of fixed pulleys and the first moving pulley block and the first adjustable pulley block, and connected at a second end thereof to the first handle;
- and
- a second cable system including a second cable, a second group of fixed pulleys mounted at the supportive frame, and a second moving pulley block connected with the first weight stack, the second cable being connected at a first end thereof to a casing of the first moving pulley block and routed around the second group of fixed pulleys and the second moving pulley block, and inserted through a first sleeve fixed at the supportive frame to be anchored at a second end thereof, wherein the second end of the second cable allows to be detachably attached to the casing of the first moving pulley block to have the first moving pulley block stopped by the first sleeve, so that the force applied to the first handle to lift the first weight stack becomes double.
Dependencies are inferred from the claim text.