The present invention concerns a gymnastic machine of the type having movable steps, comprising a supporting frame, for the resting of said gymnastic machine on the floor, a movable stair comprising a plurality of elongated elements, each elongated element being hinged in series to a preceding elongated element and to a following elongated element, so as to form a closed series, two consecutive elongated elements forming a step of said movable stair acting respectively as tread and riser, said gymnastic machine being characterized in that at least one elongated element comprises at least one first and one second part articulated to each other.

The present invention also concerns an operating method of said gymnastic machine.

The present invention relates to a multi-functional exercise apparatus, and particularly to a multi-functional exercise apparatus which is safe and allows various exercises with different setups to be performed by means of a single apparatus. The present invention, relating to a multi-functional exercise apparatus provided so as to impart a sense of stability to a user when exercising while at the same time allowing various exercises with different setups to be performed by means of a single apparatus, comprises: a plate-shaped body (A) forming the floor surface and having a space in the interior thereof; fixed frames (100) fixedly disposed upwardly on both sides of the body (A); rotatable frames disposed upwardly on both sides of the body (A); handle parts (200) connected on one side of the rotatable frames and provided so as to be movable forwards and backwards; and a foot plate part rotatably provided on upper surface of the body (A) and connected to the other side of the rotatable frames. The multi-functional exercise apparatus according to the present invention imparts a sense of stability to a user as the rotatable frame comprises a plurality of linked sections and connects the handle parts and foot plate part, allowing the user to exercise by rotating not the entire rotatable frames but only the handle parts which are comparatively short compared to the rotatable frames. Furthermore, each linked section of the rotatable frames is rotatably attached to the handle part or to the side of the fixed frame, allowing the rotatable frames to stably transmit driving power from the handle parts (200) to the foot plate part and to be changed so as to allow various exercises with different setups to be performed.

The present invention relates to a multi-functional exercise apparatus, and particularly to a multi-functional exercise apparatus which is safe and allows various exercises with different setups to be performed by means of a single apparatus. The present invention, relating to a multi-functional exercise apparatus provided so as to impart a sense of stability to a user when exercising while at the same time allowing various exercises with different setups to be performed by means of a single apparatus, comprises: a plate-shaped body (A) forming the floor surface and having a space in the interior thereof; fixed frames (100) fixedly disposed upwardly on both sides of the body (A); rotatable frames disposed upwardly on both sides of the body (A); handle parts (200) connected on one side of the rotatable frames and provided so as to be movable forwards and backwards; and a foot plate part rotatably provided on upper surface of the body (A) and connected to the other side of the rotatable frames. The multi-functional exercise apparatus according to the present invention imparts a sense of stability to a user as the rotatable frame comprises a plurality of linked sections and connects the handle parts and foot plate part, allowing the user to exercise by rotating not the entire rotatable frames but only the handle parts which are comparatively short compared to the rotatable frames. Furthermore, each linked section of the rotatable frames is rotatably attached to the handle part or to the side of the fixed frame, allowing the rotatable frames to stably transmit driving power from the handle parts (200) to the foot plate part and to be changed so as to allow various exercises with different setups to be performed.

A stepper includes a base, a linking rod, two pedals and two adjusting mechanisms. The linking rod is disposed on the base and includes two ends that are concentrically rotated with each other. Each of the adjusting mechanism includes a blocking member and a blocking block. The blocking member includes a first blocking surface. The blocking block includes at least one second blocking surface resisting the first blocking surface of the blocking member. When one of the pedals is lowered along a gravity direction, one of the first blocking surfaces and one of the second blocking surfaces are inclined along the gravity direction to link up one end of the linking rod thereby concentrically rotating the other end of the linking rod, and the other first blocking surface is resisted by the other second blocking surface thereby swinging and raising the other pedal.

A stepper includes a base, a linking rod, two pedals and two mechanisms. The linking rod is disposed on the base. Each of the adjusting mechanism includes a blocking member, an adjusting base and an eccentric member. The blocking member includes a first blocking surface. The adjusting base is disposed on the base. The eccentric member is rotatably disposed on the adjusting base and includes at least two second blocking surfaces. The two second blocking surfaces selectively resist the first blocking surface. When one of the pedals is lowered, one of the first blocking surfaces and one of the second blocking surfaces are inclined to link up one end of the linking rod, and the other end of the linking rod is concentrically rotated, and the other first blocking surface is resisted by the other second blocking surface, thereby rotating and raising the other pedal.

Portable modular training systems are described herein. In one aspect, a system includes a system container including a container front, a container rear, a container first side, a container second side, a container bottom, and a container top, an exercise structure including: at least one platform connector including: a mounting plate coupled to the system container; a first member coupled to the mounting plate and extending away from the mounting plate at a downward angle relative to the mounting plate; a second member coupled to the first member and the mounting plate and extending away from the mounting plate at an upward angle relative to the mounting plate; and a support arm coupled to the first member and the second member and extending perpendicularly away from the mounting plate; where the exercise structure is wholly supported by the system container when the exercise structure is securely associated system container.

Portable modular training systems are described herein. In one aspect, a system includes a system container including a container front, a container rear, a container first side, a container second side, a container bottom, and a container top, an exercise structure including: at least one platform connector including: a mounting plate coupled to the system container; a first member coupled to the mounting plate and extending away from the mounting plate at a downward angle relative to the mounting plate; a second member coupled to the first member and the mounting plate and extending away from the mounting plate at an upward angle relative to the mounting plate; and a support arm coupled to the first member and the second member and extending perpendicularly away from the mounting plate; where the exercise structure is wholly supported by the system container when the exercise structure is securely associated system container.

A pull cord safety system, primarily for use with an exercise device such as, but not limited to, a treadmill, that provides for a captive cord which is fixed to the exercise device via a trip mechanism housing. This provides for the benefits of a pull cord safety shutoff where the treadmill shuts off if sufficient force is applied to pull the cord, but keeps the system from being a separable key system. Thus, it eliminates misplacing the key and provides for a system which can more easily be triggered regardless of the angle of fall or instability.

An exercise apparatus includes a frame, two crank units, two reciprocating members, two swing arms, two linkages and two carrying arms. A predetermined portion oriented between the top and bottom ends of each linkage is pivotally coupled to the corresponding crank unit and is moved along a circular path. The top end of each linkage is pivotally coupled to the corresponding reciprocating member and is moved along a curved path between two retracing points. The front end of each carrying arm is pivotally coupled to the bottom end of the corresponding linkage and is moved along a first closed path which is elliptical-like shaped. A predetermined portion oriented between the front and rear ends of each carrying arm is pivotally coupled to the bottom of the corresponding swing arm. The rear end of the carrying arm supports user's foot and is moved along a second closed path.