초록 ▼

A pull down apparatus is provided. The pull down apparatus includes a selectable weight mechanism and a support member which pivotably supports a pair of four-bar linkage mechanisms. The four-bar linkage mechanisms are pivotably mounted at their rearward ends about axes which are disposed at an angl

A pull down apparatus is provided. The pull down apparatus includes a selectable weight mechanism and a support member which pivotably supports a pair of four-bar linkage mechanisms. The four-bar linkage mechanisms are pivotably mounted at their rearward ends about axes which are disposed at an angle relative to a horizontal plane, i.e. are tilted relative to vertical, such that a pair of elongated bars of the four-bar linkage mechanisms travel in planes which are tilted relative to vertical. The tilted planes through which the four-bar linkage mechanisms travel enable the handles to travel along a slightly curvilinear downwardly diverging path which simulates as natural a human musculoskeletal upward pushing motion as possible.

대표청구항 ▼

[ What is claimed is:] [1.] A pull down exercise apparatus, comprising:a base member for supporting the apparatus on a horizontal plane and defining a first vertical plane normal thereto and a second vertical plane orthogonal to the first;a support member extending from the base member;a pair of fou

[ What is claimed is:] [1.] A pull down exercise apparatus, comprising:a base member for supporting the apparatus on a horizontal plane and defining a first vertical plane normal thereto and a second vertical plane orthogonal to the first;a support member extending from the base member;a pair of four-bar linkage mechanisms supported by the support member, the pair of four-bar linkage mechanisms each including a primary lever arm pivotable about a primary axis and a follower lever arm pivotable about a secondary axis, the primary axes being disposed at an angle with respect to each other and to the second vertical planet, such that the lower end of the primary axes are tilted inwardly toward each other and the second vertical plane, the primary and follower lever arms lying in a common plane tilted at an angle relative to the first vertical plane;a handle operatively associated with each of the four-bar linkage mechanismsa weight mechanism operatively associated with the pair of four-bar linkage mechanisms for resisting; andwherein the primary and follower lever arms travel in the common plane as the pair of four-bar linkage mechanisms are displaced between a first position and a second position while maintaining a correct biomechanical positioning.