Body weight lift mechanism on treadmill
First Claim
Patent Images
1. An exercise machine, comprising:
- a frame;
a base portion of the frame;
a deck pivotally connected to the base portion;
an upright structure of the frame;
a handle movably attached to the frame;
a linkage connecting the handle to the deck, wherein an elevation of the deck changes when the handle is moved; and
a torque adjuster configured to modify a mechanical advantage between the handle and the linkage, the torque adjuster including a connection plate, a lower portion of the connection plate including a lower portion length different from an upper portion length of an upper portion of the connection plate,wherein the exercise machine comprises a treadmill.
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Abstract
An exercise machine may include a frame, a base portion of the frame, a deck pivotally connected at a rear end, an upright structure of the frame, a handle movably attached to the frame, and a linkage connecting the handle to the first end of the deck. An elevation of the first end of the deck changes when the handle is moved.
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Citations
19 Claims
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1. An exercise machine, comprising:
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a frame; a base portion of the frame; a deck pivotally connected to the base portion; an upright structure of the frame; a handle movably attached to the frame; a linkage connecting the handle to the deck, wherein an elevation of the deck changes when the handle is moved; and a torque adjuster configured to modify a mechanical advantage between the handle and the linkage, the torque adjuster including a connection plate, a lower portion of the connection plate including a lower portion length different from an upper portion length of an upper portion of the connection plate, wherein the exercise machine comprises a treadmill. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An exercise machine, comprising:
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a frame including an upright structure having a first post and a second post; a deck connected to the frame; a first pulley disposed at a first end of the deck; a second pulley disposed at a second end of the deck; a tread belt surrounding the first pulley and the second pulley; a handle movably attached to the frame; a linkage connecting the handle to the first end of the deck; and a torque adjuster that changes a mechanical advantage between the handle and the linkage; wherein an elevation of the first end of the deck changes when the handle is moved; an axle connecting the first post to the second post; wherein the handle is configured to rotate about the axle; wherein the deck moves independent of the first post and the second post when the handle is moved. - View Dependent Claims (15, 16, 17, 18)
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19. An exercise machine, comprising:
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a frame including a base portion and an upright structure having a first post and a second post, wherein the first post and the second post are connected to the base portion of the frame; a deck pivotally connected to the frame at a rear end; a first pulley at a first end of the deck; a second pulley at a second end of the deck; a tread belt surrounding the first pulley and the second pulley; a handle movably attached to the frame; a linkage connecting the handle to the first end of the deck; wherein an elevation of the first end of the deck changes when the handle is moved; an axle connecting the first post to the second post; wherein the handle rotates about the axle; wherein the deck moves independent of the first post and the second post when the handle is moved; a torque adjuster that changes a mechanical advantage between the handle and the linkage; a connection plate of the torque adjuster; an axle receiving opening defined in the connection plate, wherein the axle is disposed within the axle receiving opening; a plurality of linkage slots defined in the connection plate, the plurality of linkage slots selectively connect to an end of the linkage; a plurality of handle slots defined in the connection plate, the plurality of handle slots selectively connected to the handle; a sleeve disposed about the axle, wherein the handle is rigidly connected to the sleeve; and a locking assembly including a housing and a retractable pin, wherein the housing of the locking assembly is rigidly connected to the sleeve, and wherein the retractable pin of the locking assembly is partially disposed within an aperture of the housing.
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Specification