阅读说明：本技术 锻炼方法和器械 (Exercise method and apparatus ) 是由 赖莉·提特尔赖尔 尼古拉斯·M·索勒 克里斯多夫·H·赖尔 马克·A·克鲁尔 斯蒂芬·P·伊 于 2020-03-11 设计创作，主要内容包括：本申请涉及锻炼方法和器械。一种锻炼器械包括阻力装置,该阻力装置包括左槽轮和右槽轮以及相关联的回绕机构。左绳索和右绳索被布线为从槽轮经过左旋转滑轮和右旋转滑轮到达左受力构件和右受力构件。人站在脚踏平台上,通过用她的胳膊和/或她的腿从槽轮拉动绳索进行锻炼。当一只手或两只手不参与拉动活动时,人可以通过将这一只手或两只手放在手把上来稳定自己。(The present application relates to exercise methods and apparatus. An exercise machine includes a resistance device including left and right sheaves and an associated recoil mechanism. Left and right ropes are routed from the sheaves over left and right rotating pulleys to left and right force-receiving members. The person stands on the footrest and exercises by pulling the rope from the sheave with her arms and/or her legs. When one or both hands are not involved in the pulling activity, the person can stabilize himself by placing the one or both hands on the handle.)

1. An exercise apparatus, comprising:

a base configured to occupy a stable operating position on an underlying horizontal floor surface;

a sheave rotatably mounted on the base for rotation about a fixed sheave axis, wherein the sheave defines a circumferential groove;

a recoil mechanism interconnected between the sheave and the base, wherein the recoil mechanism biases the sheave in a recoil direction relative to the base;

a rope having a first end, an opposite second end, and a rope segment disposed between the first end and the second end, wherein the first end is fixed to the sheave and at least one of the rope segments is wrapped around the sheave inside the groove;

a weighted member operatively connected to the second end of the rope, wherein movement of the weighted member in a first exercise direction is associated with rotation of the sheave in a rope withdrawal direction, and movement of the weighted member in an opposite second exercise direction allows the recoil mechanism to rotate the sheave in an opposite rope recoil direction;

a pulley carriage rotatably mounted on the base for rotation about a fixed carriage axis; and

a pulley rotatably mounted on the pulley carriage for rotation about a pulley axis, wherein the pulley defines a circumferential groove to receive and rewire at least one of the rope segments, wherein the carriage axis is axially aligned with an extracted one of the rope segments when the extracted one of the rope segments is pulled linearly from the sheave toward the pulley.

2. The exercise apparatus of claim 1, wherein the base includes a housing defining an opening, and the sheave is disposed inside the housing and the pulley is disposed outside the housing, and the extracted one of the rope segments extends from the sheave through the opening to the pulley.

3. The exercise apparatus of claim 1, wherein the pulley bracket is disposed at a first elevation with respect to the floor surface and the sheave axis is disposed at a second, relatively larger elevation above the floor surface.

4. The exercise apparatus of claim 3, wherein the base defines a front end and a rear end, and further comprising a footrest platform connected to the rear end and constructed and arranged to occupy a stable position relative to the underlying floor surface.

5. The exercise apparatus of claim 4, wherein the pulley bracket is disposed rearward of the sheave axis and forward of the foot platform.

6. The exercise apparatus of claim 1, wherein the base defines a front end and a rear end, and further comprising a footrest platform connected to the rear end and constructed and arranged to occupy a stable position relative to the underlying floor surface.

7. The exercise apparatus of claim 6, wherein the tread platform is telescopically connected to the base for selective forward and rearward movement relative to the base.

8. The exercise apparatus of claim 6, wherein the pulley bracket is disposed rearward of the sheave axis and forward of the foot platform.

9. The exercise apparatus of claim 6, wherein the footrest platform is selectively removable from the base to make the exercise apparatus more compact for storage purposes.

10. The exercise apparatus of claim 6, wherein fasteners extend downwardly through overlapping portions of the tread platform and the base to selectively secure the tread platform in position relative to the base.

11. The exercise apparatus of claim 1, wherein the carriage axis defines an angle of forty-five degrees relative to the floor surface.

12. The exercise apparatus of claim 1, further comprising a brake member rotatably mounted on the base for rotation about the sheave axis, wherein the sheave is associated with the brake drum in a manner that limits rotation of the brake drum with the sheave in the rope withdrawal direction and allows rotation of the sheave relative to the brake drum in the rope rewind direction.

13. The exercise machine of claim 12, further comprising a resistance adjustment mechanism connected to the brake member, and a resistance display connected to the resistance adjustment mechanism, wherein the resistance display displays different indicia depending on how the adjustment mechanism is currently set.

14. The exercise machine of claim 13, wherein the resistance display comprises a disc member having a disc diameter and the sheave defines a sheave diameter that is less than the disc diameter.

15. The exercise apparatus of claim 13, wherein the resistance display comprises a disc member having a disc diameter and the brake member defines a brake diameter that is less than the disc diameter.

16. The exercise apparatus of claim 13, wherein the resistance display includes at least a portion of a disc that covers at least a portion of the brake member and has an upwardly facing surface that carries the indicia.

17. The exercise apparatus of claim 13, further comprising an adjustment knob operatively connected to the resistance adjustment mechanism and rotatably mounted on the base for rotation about a knob axis, wherein the brake member is disposed above the floor surface and the resistance display is disposed above the brake member and the adjustment knob is disposed above the resistance display.

18. The exercise apparatus of claim 1, wherein the right sheave is rotatably mounted on the base for rotation about the sheave axis and the left sheave is rotatably mounted on the base for rotation about the sheave axis; and the recoil mechanism on the right is interconnected between the sheave on the right and the base, and the recoil mechanism on the left is interconnected between the sheave on the left and the base; and the rope on the right has its first end fixed to the sheave on the right and the rope on the left has its first end fixed to the sheave on the left; and the force-receiving member on the right is connected to the second end of the rope on the right, and the force-receiving member on the left is connected to the second end of the rope on the left; and the right pulley carriage is rotatably mounted on the base for rotation about the right carriage axis and the left pulley carriage is rotatably mounted on the base for rotation about the left carriage axis; and the right pulley is rotatably mounted on the right pulley bracket for rotation about a right pulley axis and the left pulley is rotatably mounted on the left pulley bracket for rotation about a left pulley axis.

19. The exercise apparatus of claim 1, further comprising handlebars rotatably mounted on the base for selective rotation between a deployed orientation in which the handlebars extend generally vertically upward from the base and a stored orientation in which all of the handlebars are disposed below an uppermost portion of the base.

20. The exercise apparatus of claim 1, further comprising handlebars mounted on the base, wherein the second end of the cord is selectively held in position relative to the handlebars.