US20060160677A1 - Exercise apparatus - Google Patents
Exercise apparatus Download PDFInfo
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- US20060160677A1 US20060160677A1 US11/176,551 US17655105A US2006160677A1 US 20060160677 A1 US20060160677 A1 US 20060160677A1 US 17655105 A US17655105 A US 17655105A US 2006160677 A1 US2006160677 A1 US 2006160677A1
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- exercise apparatus
- cable
- apparatus recited
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- frame
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/15—Arrangements for force transmissions
- A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
- A63B21/154—Using flexible elements for reciprocating movements, e.g. ropes or chains using special pulley-assemblies
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00058—Mechanical means for varying the resistance
- A63B21/00061—Replaceable resistance units of different strengths, e.g. for swapping
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- A—HUMAN NECESSITIES
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00058—Mechanical means for varying the resistance
- A63B21/00065—Mechanical means for varying the resistance by increasing or reducing the number of resistance units
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- A—HUMAN NECESSITIES
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00058—Mechanical means for varying the resistance
- A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
- A63B21/00072—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve by changing the length of a lever
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
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- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
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- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/04—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters attached to static foundation, e.g. a user
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- A63B21/15—Arrangements for force transmissions
- A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
- A63B21/154—Using flexible elements for reciprocating movements, e.g. ropes or chains using special pulley-assemblies
- A63B21/156—Using flexible elements for reciprocating movements, e.g. ropes or chains using special pulley-assemblies the position of the pulleys being variable, e.g. for different exercises
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- A63B21/16—Supports for anchoring force-resisters
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- A63B21/40—Interfaces with the user related to strength training; Details thereof
- A63B21/4027—Specific exercise interfaces
- A63B21/4033—Handles, pedals, bars or platforms
- A63B21/4035—Handles, pedals, bars or platforms for operation by hand
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- A63B21/40—Interfaces with the user related to strength training; Details thereof
- A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
- A63B21/4043—Free movement, i.e. the only restriction coming from the resistance
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- A63B23/03516—For both arms together or both legs together; Aspects related to the co-ordination between right and left side limbs of a user
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- A63B23/03516—For both arms together or both legs together; Aspects related to the co-ordination between right and left side limbs of a user
- A63B23/03533—With separate means driven by each limb, i.e. performing different movements
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- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
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- A63B23/1209—Involving a bending of elbow and shoulder joints simultaneously
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- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/04—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters attached to static foundation, e.g. a user
- A63B21/0407—Anchored at two end points, e.g. installed within an apparatus
- A63B21/0428—Anchored at two end points, e.g. installed within an apparatus the ends moving relatively by linear reciprocation
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- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/055—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters extension element type
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- A63B23/03541—Moving independently from each other
Definitions
- the present invention relates to body exercise equipment. More particularly, the present invention relates to exercise equipment such as that disclosed in the U.S. Pat. No. 6,705,976, the subject matter of which is incorporated herein by reference.
- a first embodiment encloses a housing having a structural surface defining a prescribed concave arcuate contour having a number of cable exit points positioned along this surface.
- a number of cables each having a proximal end and a distal end, are arranged such that the proximal end passes through one of the exit points and is attached to a gripping device, such as a handle, that enables the user to exert a tensile force in the cable by pulling the handle.
- the distal end of each cable is coupled to a common source of resistance such that, when the proximal end of each cable is pulled by a user, the source of resistance exerts a counterforce on the cable.
- Means are provided for retaining each cable in a retracted position when it is not being pulled by a user, even when one or more other cables is or are pulled by the user.
- the exercise equipment comprises a frame having a track extending along a prescribed concave arcuate path.
- a moveable trolly having an exit point for a cable, is repositionable to a number of fixed positions along the track.
- a single cable has a proximal end which extends through the exit point and is attached to a gripping device, such as a handle, that enables a user to exert a tensile force on the cable.
- the distal end of this cable is coupled to a source of resistance.
- Cable takeup means are provided, in the exercise equipment, for maintaining the length of the cable between its proximal end and the exit point through which it passes substantially constant, independent of the position of the trolley, and thus the exit point, along the track, when no tensile force is applied by the user.
- Weight stacks which are normally guided by rods or rails to run vertically, include a device for selecting the number of weights in the stack that are to be lifted as a unit by the user. The weights that are not selected remain in the lower part of the stack while the selected weights are lifted upward.
- a further disadvantage of this exercise equipment is that the weights incorporated into the weight stack present a significant cost to manufacture and transport. Also, the rods or rails, and the mechanism for selecting the weights to be lifted, add to the cost of the equipment. Furthermore, the cost of shipping the weights, rods, rails and mechanism for selecting the weights is not inconsiderable.
- a source of resistance which includes at least two of (1) means for removably holding one or more weights, (2) means for removably attaching one or more springs, and/or (3) means for attaching one or more damping devices.
- the means for coupling the handle or gripping device to the resistance source is preferably a cable, but any other mechanical means may also be used.
- the equipment is provided with means for holding one or more weights, for example weights of the type that are readily available at any fitness center or physical therapy facility.
- weights may be metal disks which have a central hole to permit attachment to a cylindrical rod or the like, or they may be sandbags, concrete blocks, concrete filled cans or the like which are placed upon a suitable platform on the exercise equipment to provide a source of constant resistance to the user.
- a spring may be a tension spring, such as a coil spring, an elastic elongate member in the shape of a rod, tube, band, strap or flat strip, or a bendable rod.
- a spring may also be a compression spring which may be in the form of a coil spring or a bendable rod.
- means may be provided for attaching at least one damping device, such as a hydraulic or pneumatic damper or an electromagnetic resistance device, to provide a speed-dependent resistance force to the cable(s).
- a damping device such as a hydraulic or pneumatic damper or an electromagnetic resistance device
- the weight stack of the exercise apparatus is retained in the resistance source; however, a plate-like “retaining member” is disposed above the weight stack and coupled to the distal end of the cable so as to move vertically upward when lifted by the cable.
- This retaining member includes one or more hooks for attaching an upper end of a tension spring, a rod for retaining an additional, separate weight and a device for selectively coupling itself to the weight stack.
- a user can customize the resistance source to include tension springs, separate, selected weights and/or one or more weights in the weight stack.
- FIG. 1 is an isometric, perspective front view of a first preferred embodiment of exercise apparatus which incorporates the present invention.
- FIG. 2 is a rear perspective view of the apparatus of FIG. 1 .
- FIG. 3 is a cutaway side view of the apparatus of FIG. 1 .
- FIG. 4 is a cutaway rear view of the apparatus of FIG. 1 .
- FIG. 5 is a detailed view showing a portion of the apparatus of FIG. 1 .
- FIG. 6 is a top view of the apparatus of FIG. 1 .
- FIG. 7 is an isometric, perspective front view of a second embodiment of exercise apparatus which incorporates the present invention.
- FIG. 8 is a cutaway side view of the apparatus of FIG. 7 .
- FIG. 9 is a cutaway rear view of the apparatus of FIG. 7 .
- FIGS. 10 a - 10 c are side views of various types of springs which may be used in the exercise apparatus of FIGS. 1-9 .
- FIG. 11 is a side view, similar to FIG. 4 , showing a further embodiment of exercise apparatus incorporating the present invention.
- FIG. 12 is a side view showing a still further embodiment of exercise apparatus, similar to that of FIG. 11 , incorporating the present invention.
- FIG. 13 is a side view showing a still further embodiment of exercise apparatus incorporating the present invention.
- FIG. 14 is a side view showing a still further embodiment of exercise apparatus, similar to that of FIG. 13 , incorporating the present invention.
- FIGS. 15 a and 15 b are side and rear views, respectively, showing a detail of the exercise apparatus of FIGS. 11-14 .
- FIGS. 16 a, 16 b and 16 c are side, rear and top views, respectively, showing a detail of the exercise apparatus of FIGS. 11-14 , in an alternative embodiment.
- FIG. 17 is a side view, similar to that of FIG. 4 , of still another embodiment of the exercise apparatus of the present invention.
- FIG. 18 is a side view, similar to that of FIGS. 4 and 17 , of still another embodiment of the exercise apparatus according to the present invention.
- FIGS. 19 a, 19 b and 19 c are detailed views of the top and two sides of a resistance source of the type used in the exercise apparatus of FIG. 18 .
- FIG. 20 is a detailed top view of the resistance source of FIG. 19 .
- FIG. 21 is a detailed side view of the resistance source of FIG. 19 .
- FIGS. 22 and 23 are detailed views of the coupling device in the resistance source of FIG. 19 in assembled and disassembled configurations, respectively.
- FIGS. 24, 25 and 26 are detailed views of a resistance source of the type used in the exercise apparatus of FIG. 17 in two side views and in top view, respectively.
- FIG. 27 is a perspective view showing how a universal attachment device shown in FIGS. 24-26 may be used in a bench press type of exercise apparatus.
- FIGS. 1-27 of the drawings The preferred embodiments of the present invention will now be described with reference to FIGS. 1-27 of the drawings. Identical elements in the various figures are designated with the same reference numerals.
- FIGS. 1-6 illustrate a first preferred embodiment
- FIGS. 7-9 illustrate a second preferred embodiment of the exercise equipment to which the present invention relates. Both embodiments are based on exercise equipment which is fully disclosed in the aforementioned U.S. Pat. No. 6,705,976. The present invention is applicable, but is not exclusively limited to, this type of exercise equipment.
- the first embodiment shown in FIGS. 1-6 , comprises exercise equipment 10 which incorporates a housing having a structural surface defining a concave arcuate contour. Disposed around this arcuate contour are seven pairs of pulleys, one pair of which is identified as 11 . These pulleys are placed in an arcuate slot formed by two side frames 12 . Each pair is spaced 30° away from its two neighbors, as is best seen in FIG. 3 . A greater or smaller number of pairs of pulleys may be used.
- Each pair of pulleys 11 defines, between them, a cable exit point positioned along the arcuate contour.
- a pair of rollers 15 Just outside-each cable exit point is a pair of rollers 15 which retain the cable between them as it leaves the exit point so that it will not become dislodged from between the respective pair of pulleys 11 .
- a separate cable 9 is passed through each one of the pairs of pulleys 11 to a proximal end 101 .
- the proximal end of each cable 9 outside the rollers 15 , is attached to a gripping device that enables a user to pull the cable away from the respective exit point.
- a gripping device that enables a user to pull the cable away from the respective exit point.
- Examples of such devices are a bar 100 , a loop handle 102 and a cuff 103 , all of which have a fastener 101 . 1 that enables them to be attached to the proximal end 101 of each cable 9 .
- the cables extend from their proximal ends 101 to a distal end which is coupled to a common source of resistance such that, when the proximal end of each cable is pulled by a user, the source of resistance exerts a counter force on the cable.
- each cable extends through one of the pairs of pulleys 11 and then to a direction changing pulley 14 . From there, the cables are passed upward and over a parallel set of direction changing pulleys 14 . 1 . Then, as is best seen in FIG. 4 , the cables 9 pass horizontally to a further parallel set of direction changing pulleys 14 . 2 and finally downward to a mechanism, best seen in FIG. 5 , which provides a common source of resistance and includes means for retaining each cable in a retracted position, when it is not being pulled by a user, even when one or more other cables are pulled by a user.
- each cable 9 is ultimately attached to a counterweight 16 which travels vertically through a slot mounted in a housing, with the slots and counterweights 16 positioned side by side at the ends of their respective cables 9 (one counterweight 16 for each cable 9 threaded through the system).
- a horizontal plate assembly 18 with seven holes therein, each hole being aligned with one of the downwardly descending cables 9 to permit this cable to pass through it for attachment to its respective counterweight 16 .
- the horizontal plate assembly 18 is constrained to move vertically.
- the plate assembly 18 is connected to four rollers 20 that slide within four vertical tracks 21 , 22 , 23 and 24 .
- movement of one or more of the cables 9 will vertically lift the plate assembly 18 .
- the remaining cables will be retained in their normal, retracted position by their respective counterweights 16 .
- the exercise equipment 10 is provided with a common source of resistance. It is this source of resistance for which the present invention differs from the mechanism disclosed in the U.S. Pat. No. 6,705,976.
- the source of resistance for the exercise equipment 10 comprises a “force transfer” means, such as the horizontal plate assembly 18 that is constrained by the sliding rollers 12 to move within the four vertical tracks 21 - 24 , which transfers the force from the source of resistance to the cable 9 and, ultimately, the user handle 102 .
- the force transfer means may be constrained to move substantially vertically, up and down, on Teflon bearings that slide on vertical guide rods.
- the force transfer means may move in any desired direction if only springs and/or dampers are used as a source of resistance.
- the exercise equipment When weights are used, the exercise equipment is provided with means for removably holding a selected number of these weights during upward movement of the force transfer means 18 .
- This holding means may include a device, such as the horizontal, cylindrical rod 30 , upon which a number of weights 32 may be mounted.
- the weights 32 are preferably of the type normally found at a fitness center or physical therapy facility so that, as a consequence, the machine need not be provided with such weights when manufactured and delivered.
- the means for exerting a resistance on the force transfer means 18 when it moves may include a device for removably attaching one or more springs, such as tension springs 34 shown in FIGS. 1 and 4 and/or compression springs 40 shown in FIG. 4 .
- the tension springs may be attached between the rod 30 and a member 36 which extends outward from the bottom portion of the frame of the exercise equipment.
- one or more compression springs 40 may be provided to exert the resistance force against the force transfer means.
- the downward force exerted by a compression spring 40 may be adjusted by adjusting the vertical position of block 41 which holds the top of the spring.
- the tension spring or springs 34 are made removable so that the amount of resistance may be easily adjusted by selecting springs of different tension and/or by attaching a desired number of springs.
- the tension springs 34 may comprise one or more coil springs, elastic bands, straps, rods or tube, or the spring may be in the form of a bendable rod.
- the compression 40 spring may be a coil spring which is retained by a rod through its center or within a surrounding tube or a bendable rod, as is well known in the field of exercise equipment.
- FIGS. 10 a - 10 d Various types of springs are illustrated in FIGS. 10 a - 10 d.
- FIG. 10 a illustrates a coil spring
- FIG. 10 b illustrates an elastic elongate band
- FIG. 10 c illustrates an elastic tube
- FIG. 10 d illustrates a bendable rod.
- one or more dampers 38 may be connected between the force transfer means 18 or rod 30 and the frame of the exercise equipment, or member 76 , as illustrated in FIGS. 1 and 4 .
- Each damper 38 may comprise a hydraulic damper, pneumatic damper or an electromagnetic resistance element. Such a damper operates in the manner of a “shock absorber” in a motor vehicle suspension system. The amount of resistance force that it exerts is dependent upon the relative speed of displacement between its two ends.
- the present invention thus provides a simple and relatively inexpensive means for exerting a resistance force against the retraction of one or more cables 9 when pulled from their proximal ends 101 .
- the present invention makes it possible to apply three types of resistance force, either separately or together:
- FIGS. 7-9 A second embodiment of the present invention is illustrated in FIGS. 7-9 .
- the exercise equipment is provided with a single cable 68 having a proximal end 67 that passes through a pair of pulleys 62 .
- the pulley pair 62 is mounted on a movable trolley system 63 that can be repositioned along a track 64 attached to the housing 61 .
- the proximal end of the cable 68 is attached to a gripping device or handle 76 so that it may be pulled by a user.
- the cable 68 After passing through the pulley pair 62 , the cable 68 is directed through a set of pulleys 70 after which it ultimately extends downward to a source of resistance 69 .
- a cable takeup mechanism comprising a pulley 72 . 1 which is moveable along a moveable bar 73 . 1 .
- a lever 74 is rotated about a pivot connection to pull the end of a flexible sheath cable 75 .
- the cable takeup mechanism 72 travels in a substantially vertical direction up or down in direct proportion to the distance the moveable trolley 63 is moved along the arced curve.
- the source of resistance in this second embodiment is considerably simpler than that of the first embodiment described above.
- the distal end of the cable 75 is attached to a plate 69 which is constrained to move vertically by vertical tracks 81 , 82 , 83 , 84 arranged in each corner.
- This plate 69 serves as the force transfer device in this embodiment.
- a rod 75 of suitable size and diameter to hold one or more disk shaped weights 80 Extending outward from this plate 69 is a rod 75 of suitable size and diameter to hold one or more disk shaped weights 80 .
- one or more tension springs 82 or dampers 84 may be connected between the rod 75 and a frame member 77 which protrudes outward from the bottom of the exercise equipment.
- a pull on the gripping handle 76 results in raising the force transfer device 69 and, in turn, the resistance exerting device 75 which protrudes through a slot 78 in the housing.
- the resistance provided at the distal end of the cable 68 is easily adjusted by adding or subtracting weights 80 , springs 82 or dampers 84 from the rod 75 .
- the means for removably holding one or more weights, for removably attaching one or more springs and/or for removably attaching one or more damping devices may be incorporated entirely within the housing.
- weights such as sandbags, cement blocks, cement-filled cans or the like may be placed directly upon the plate 69 , and the springs 82 and dampers 84 may be attached, by means of hooks, eyes or the like, between the plate 69 and the base of the housing directly beneath it.
- the force transfer device and the resistance exerting device in the first and second embodiments are essentially the same.
- FIGS. 11-14 illustrate several additional preferred embodiments of exercise equipment to which the present invention relates.
- FIG. 11 shows exercise apparatus in which the user grabs a handle 100 attached to a proximal end of a cable 9 , and pulls downward.
- the cable passes over pulleys 14 . 1 and 14 . 2 to-a-distal end which is attached to an assembly 18 having a bearing 18 . 1 which surrounds and slides over one or more vertical poles 24 .
- the precise arrangement, which uses two parallel poles 24 a and 24 b, is illustrated in greater detail in side and rear views, respectively, in FIGS. 15 a and 15 b.
- the assembly 18 raises a horizontal rod or bar 30 .
- This bar may be attached one or more of the following resistance devices:
- One or more tension springs 34 a and 34 b are provided;
- One or more dampers 38 a and 38 b are provided.
- One or more compression springs 40 are provided.
- the assembly 18 thus serves as a “force transfer device” coupled to the distal end of cable 9 whereas the bar 30 serves as a means for exerting a counter-force against the force transfer device when the force transfer device is raised upward.
- FIG. 12 shows an alternative embodiment wherein the cable 9 extends downward to a pulley 14 . 3 at the base of the equipment.
- the handle 100 attached to the proximal end of the cable must be pulled upward, rather than downward as in the case of the exercise equipment of FIG. 11 . Otherwise, this exercise equipment is identical to that of FIG. 11 .
- FIG. 13 illustrates exercise apparatus which is also very similar to that of FIGS. 11 and 12 , but which avoids the use of the cable 9 .
- the rod or bar 30 is rigidly attached to a bar 110 which extends upward to a handle 112 at substantially waist height.
- the length of the bar, 110 may be adjustable to adjust the height of the handle 112 .
- the handle 112 is attached directly to the end of the rod or bar 30 so that the user may operate the exercise equipment while in the prone position.
- FIGS. 16 a and 16 b show an alternative embodiment of the force transfer device 18 .
- the bar 30 is fixed to a trolley mechanism 118 which is arranged in two parallel tracks 124 a and 124 b. These tracks, and the track followers, are of the type which movably retain garage doors.
- the means for removably holding the weights may be a horizontal platform, with or without a vertical bar extending upward from it.
- FIG. 17 illustrates a resistance source for a cable actuated exercise machine of the type disclosed in the aforementioned U.S. Pat. No. 6,705,976 which has been incorporated herein by reference.
- FIG. 18 shows a resistance source, similar to that shown in FIG. 17 , except that in the apparatus of FIG. 17 the distal end of the cable is coupled directly to a plate 150 at the top of a weight stack 24 , whereas in the apparatus of FIG. 18 the distal end of the cable is wound around a pulley 66 .
- the pulley provides a 50% reduction in the force required to lift the weights in the weight stack.
- the resistance source not only includes a selected number of weights in the weight stack, but also can selectively include one or more tension springs 34 .
- tension springs or more specifically, elastic bands are attachable to hooks formed on the plate 150 at the top of the weight stack, and moveable upwardly therewith, and fixed hooks attached to the lowermost part of the housing.
- FIGS. 19-23 illustrate one type of arrangement for holding the tension springs 34 and FIGS. 24-26 show another device for this same purpose.
- FIGS. 19 a, 19 b and 19 c show top, side and face views, respectively, of the resistance source for exercise apparatus of the type shown in either FIG. 17 or FIG. 18 .
- This resistance source which exerts a counterforce to the distal end of the cable when it is pulled, at its proximal end, by a user, includes a weight stack 164 having a plurality of weights 165 . The user can select the number of weights to be lifted by placing a pin in one of the holes 166 , locking the weight in which the pin is placed to a vertical lifting bar 167 .
- a horizontal plate 150 Arranged above the weight stack is a horizontal plate 150 which serves as a “retaining member” as will be described hereinbelow.
- the retaining member 150 is coupled to the distal end of the cable, in this example by means of a pulley 156 .
- the retaining member 150 is also selectively coupled to the weight stack 164 in a manner which will be described in detail hereinbelow.
- the retaining member 150 supports an upright cylindrical rod 152 for holding one or more additional and separate weights 32 of the type which are readily available at any fitness center or physical therapy facility.
- the retaining member 150 is provided with two upstanding hooks 154 for attaching the upper ends of the two tension springs (elastic bands) 34 . Similar hooks or eyes 155 are arranged at the bottom of the frame of the exercise apparatus for attaching the lower ends of the tension springs.
- the weights 165 in a weight stack 164 are provided with holes 166 so that they may be retained and guided in their movement by two vertically arranged rods 168 and 170 . These rods preferably have a round cross section and are about one inch in diameter.
- the retaining member 150 is also smoothly guided in its vertical movement by means of rollers 160 , 160 ′, 162 and 162 ′ on either side of the rods 168 and 170 . This arrangement is shown in detail in FIGS. 20 and 21 .
- FIGS. 20-23 also illustrate how the pulley 156 is attached to the retaining member 150 , by means of brackets 172 , and illustrates how the retaining member 150 is selectively coupled to the bar 167 , and therefore the weights 165 in the weight stack 164 .
- a circular rod 174 is attached to the retaining member 150 by means of a screw 176 .
- the rod 174 has a longitudinal opening 175 which accepts the circular rod 167 that extends downward and passes through the weight stack.
- a horizontal plate 182 serves as a limit stop for the downward movement of the rods 168 and 167 .
- the two rods may be locked together by inserting a pin 180 through the aligned openings 183 and 184 . With this pin 180 in place, upward movement of the retaining member 150 lifts the plate 182 , the bar 167 and any of the weights in the weight stack which have been connected to it by inserting a pin through one of the weights and through an opening 166 in the bar 167 .
- FIGS. 24-26 illustrate still another arrangement for selectively attaching tension springs (elastic bands) 34 to the top-most weight 165 of the weight stack 164 and to the bottom of the frame of an exercise apparatus.
- the device comprises a top plate or bar 190 having an upstanding hook (or other attachment means) 192 at one end for attachment of a tension spring (elastic band) 34 .
- the bar 190 is retained to the top weight 165 of the weight stack 164 by means of S-shaped clamps 194 that are secured by bolts 196 that pass through elongate slots 198 in the top plate.
- the bottom (opposite end) of the tension spring (elastic band) 34 is attached to the frame with the aid of an U-shaped bracket 200 which is secured by a bolt 202 .
- the bracket has an eye or a hook for attachment of the tension spring.
- FIG. 27 illustrates how the U-shaped bracket 200 may be used to permit attachment of tension springs (elastic bands) 34 to the frame of other types of exercise equipment.
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Abstract
Exercise apparatus, for example of the type disclosed in the U.S. Pat. No. 6,705,976, is provided with a resistance source for exerting a counterforce to the force applied by the user. This resistance source includes at least two of (1) means, such as a cylindrical rod or the like, for removably holding one or more weights, (2) at least one hook or the like for removably attaching one or more springs, and (3) means for removably attaching one or more damping devices.
Description
- This present application is a continuation-in-part of U.S. patent application Ser. No. 11/135,226, filed May 23, 2004, entitled “EXERCISE APPARATUS”, which is a continuation-in-part of U.S. patent application Ser. No. 10/912,258, filed Aug. 5, 2004, entitled “EXERCISE APPARATUS”, and U.S. patent application Ser. No. 10/987,376, filed Nov. 12, 2004, entitled “EXERCISE APPARATUS USING WEIGHTS FOR HIGH-SPEED TRAINING”, which is a continuation-in-part of U.S. patent application Ser. No. 10/736,807, filed Dec. 15, 2003, entitled “EXERCISE APPARATUS USING WEIGHTS FOR HIGH-SPEED TRAINING”.
- The present invention relates to body exercise equipment. More particularly, the present invention relates to exercise equipment such as that disclosed in the U.S. Pat. No. 6,705,976, the subject matter of which is incorporated herein by reference.
- The human body moves primarily in circular or arcuate paths of motion, as evidenced by Leonardo Da Vinci's study of human proportions. From a biomedical standpoint, exercise equipment designed with resistance delivery systems oriented-along an arced pathway are inherently more bio-mechanically optimized than those that are not. The aforesaid U.S. patent discloses two embodiments of exercise equipment of this type.
- A first embodiment encloses a housing having a structural surface defining a prescribed concave arcuate contour having a number of cable exit points positioned along this surface. A number of cables, each having a proximal end and a distal end, are arranged such that the proximal end passes through one of the exit points and is attached to a gripping device, such as a handle, that enables the user to exert a tensile force in the cable by pulling the handle. The distal end of each cable is coupled to a common source of resistance such that, when the proximal end of each cable is pulled by a user, the source of resistance exerts a counterforce on the cable. Means are provided for retaining each cable in a retracted position when it is not being pulled by a user, even when one or more other cables is or are pulled by the user.
- In a second embodiment, the exercise equipment comprises a frame having a track extending along a prescribed concave arcuate path. A moveable trolly, having an exit point for a cable, is repositionable to a number of fixed positions along the track. A single cable has a proximal end which extends through the exit point and is attached to a gripping device, such as a handle, that enables a user to exert a tensile force on the cable. The distal end of this cable is coupled to a source of resistance. Cable takeup means are provided, in the exercise equipment, for maintaining the length of the cable between its proximal end and the exit point through which it passes substantially constant, independent of the position of the trolley, and thus the exit point, along the track, when no tensile force is applied by the user.
- While the exercise apparatus disclosed in the aforementioned U.S. Pat. No. 6,705,976 operates extremely well for the purpose for which it is intended, this and other exercise equipment of this type is relatively expensive to manufacture and to transport. One of the significant costs of this equipment involves the source of resistance applied to the cable or cables used in the machine. This source of resistance comprises, as a minimum, a plurality of weights which form a “weight stack” that is coupled to the distal end of the cable(s) and is lifted vertically when the proximal end of a cable is pulled by a user.
- Weight stacks, which are normally guided by rods or rails to run vertically, include a device for selecting the number of weights in the stack that are to be lifted as a unit by the user. The weights that are not selected remain in the lower part of the stack while the selected weights are lifted upward.
- With a mechanism of this type, it is difficult to obtain a “starting resistance” or minimum resistance of less than five pounds because, even if no weights are selected, the device for selecting the weights, itself, has a minimum weight. Particularly in the case of physical therapy applications, and for the severely de-conditioned or elderly persons, it is useful to be able to set the lowest resistance weight to zero, or near zero.
- As noted above, a further disadvantage of this exercise equipment is that the weights incorporated into the weight stack present a significant cost to manufacture and transport. Also, the rods or rails, and the mechanism for selecting the weights to be lifted, add to the cost of the equipment. Furthermore, the cost of shipping the weights, rods, rails and mechanism for selecting the weights is not inconsiderable.
- It is an object of the present invention to provide exercise apparatus, of the type that usually employs a weight stack, which is considerably less expensive to manufacture and to transport.
- It is a further object of the present invention to provide exercise apparatus of this type for which the resistance applied to the cable or cables may be reduced to zero, or near zero.
- It is a still further object of the present invention to provide exercise apparatus of this type with easy-to-use means for adding or subtracting small measures of resistance.
- It is a still further object of the present invention to provide exercise apparatus of this type which operates in essentially the same way as known exercise equipment, and provides essentially the same response to a user, but which avoids the requirement that a weight stack be incorporated into the machine.
- These objects, as well as other objects which will become apparent from the discussion that follows, are achieved, in accordance with the present invention, by providing a source of resistance which includes at least two of (1) means for removably holding one or more weights, (2) means for removably attaching one or more springs, and/or (3) means for attaching one or more damping devices.
- The means for coupling the handle or gripping device to the resistance source is preferably a cable, but any other mechanical means may also be used.
- With such an improvement of the exercise equipment according to the invention, it is no longer necessary to incorporate a stack of weights in the machine to provide a constant resistance force, independent of the distance or speed with which the handle is pushed or pulled. According to the invention, the equipment is provided with means for holding one or more weights, for example weights of the type that are readily available at any fitness center or physical therapy facility. These weights may be metal disks which have a central hole to permit attachment to a cylindrical rod or the like, or they may be sandbags, concrete blocks, concrete filled cans or the like which are placed upon a suitable platform on the exercise equipment to provide a source of constant resistance to the user.
- In addition or alternatively, means are provided for removably attaching one or more springs to provide a distance-dependent resistance force. Such a spring may be a tension spring, such as a coil spring, an elastic elongate member in the shape of a rod, tube, band, strap or flat strip, or a bendable rod. Such a spring may also be a compression spring which may be in the form of a coil spring or a bendable rod.
- In addition or alternatively, means may be provided for attaching at least one damping device, such as a hydraulic or pneumatic damper or an electromagnetic resistance device, to provide a speed-dependent resistance force to the cable(s).
- According to another aspect of the invention, the weight stack of the exercise apparatus is retained in the resistance source; however, a plate-like “retaining member” is disposed above the weight stack and coupled to the distal end of the cable so as to move vertically upward when lifted by the cable. This retaining member includes one or more hooks for attaching an upper end of a tension spring, a rod for retaining an additional, separate weight and a device for selectively coupling itself to the weight stack. In this way, a user can customize the resistance source to include tension springs, separate, selected weights and/or one or more weights in the weight stack.
- For a full understanding of the present invention, reference should now be made to the following detailed description of the preferred embodiments of the invention as illustrated in the accompanying drawings.
-
FIG. 1 is an isometric, perspective front view of a first preferred embodiment of exercise apparatus which incorporates the present invention. -
FIG. 2 is a rear perspective view of the apparatus ofFIG. 1 . -
FIG. 3 is a cutaway side view of the apparatus ofFIG. 1 . -
FIG. 4 is a cutaway rear view of the apparatus ofFIG. 1 . -
FIG. 5 is a detailed view showing a portion of the apparatus ofFIG. 1 . -
FIG. 6 is a top view of the apparatus ofFIG. 1 . -
FIG. 7 is an isometric, perspective front view of a second embodiment of exercise apparatus which incorporates the present invention. -
FIG. 8 is a cutaway side view of the apparatus ofFIG. 7 . -
FIG. 9 is a cutaway rear view of the apparatus ofFIG. 7 . -
FIGS. 10 a-10 c are side views of various types of springs which may be used in the exercise apparatus ofFIGS. 1-9 . -
FIG. 11 is a side view, similar toFIG. 4 , showing a further embodiment of exercise apparatus incorporating the present invention. -
FIG. 12 is a side view showing a still further embodiment of exercise apparatus, similar to that ofFIG. 11 , incorporating the present invention. -
FIG. 13 is a side view showing a still further embodiment of exercise apparatus incorporating the present invention. -
FIG. 14 is a side view showing a still further embodiment of exercise apparatus, similar to that ofFIG. 13 , incorporating the present invention. -
FIGS. 15 a and 15 b are side and rear views, respectively, showing a detail of the exercise apparatus ofFIGS. 11-14 . -
FIGS. 16 a, 16 b and 16 c are side, rear and top views, respectively, showing a detail of the exercise apparatus ofFIGS. 11-14 , in an alternative embodiment. -
FIG. 17 is a side view, similar to that ofFIG. 4 , of still another embodiment of the exercise apparatus of the present invention. -
FIG. 18 is a side view, similar to that ofFIGS. 4 and 17 , of still another embodiment of the exercise apparatus according to the present invention. -
FIGS. 19 a, 19 b and 19 c are detailed views of the top and two sides of a resistance source of the type used in the exercise apparatus ofFIG. 18 . -
FIG. 20 is a detailed top view of the resistance source ofFIG. 19 . -
FIG. 21 is a detailed side view of the resistance source ofFIG. 19 . -
FIGS. 22 and 23 are detailed views of the coupling device in the resistance source ofFIG. 19 in assembled and disassembled configurations, respectively. -
FIGS. 24, 25 and 26 are detailed views of a resistance source of the type used in the exercise apparatus ofFIG. 17 in two side views and in top view, respectively. -
FIG. 27 is a perspective view showing how a universal attachment device shown inFIGS. 24-26 may be used in a bench press type of exercise apparatus. - The preferred embodiments of the present invention will now be described with reference to
FIGS. 1-27 of the drawings. Identical elements in the various figures are designated with the same reference numerals. -
FIGS. 1-6 illustrate a first preferred embodiment andFIGS. 7-9 illustrate a second preferred embodiment of the exercise equipment to which the present invention relates. Both embodiments are based on exercise equipment which is fully disclosed in the aforementioned U.S. Pat. No. 6,705,976. The present invention is applicable, but is not exclusively limited to, this type of exercise equipment. - The first embodiment, shown in
FIGS. 1-6 , comprisesexercise equipment 10 which incorporates a housing having a structural surface defining a concave arcuate contour. Disposed around this arcuate contour are seven pairs of pulleys, one pair of which is identified as 11. These pulleys are placed in an arcuate slot formed by two side frames 12. Each pair is spaced 30° away from its two neighbors, as is best seen inFIG. 3 . A greater or smaller number of pairs of pulleys may be used. - Each pair of
pulleys 11 defines, between them, a cable exit point positioned along the arcuate contour. Just outside-each cable exit point is a pair ofrollers 15 which retain the cable between them as it leaves the exit point so that it will not become dislodged from between the respective pair ofpulleys 11. - As shown in
FIG. 3 , aseparate cable 9 is passed through each one of the pairs ofpulleys 11 to aproximal end 101. The proximal end of eachcable 9, outside therollers 15, is attached to a gripping device that enables a user to pull the cable away from the respective exit point. Examples of such devices are abar 100, aloop handle 102 and acuff 103, all of which have a fastener 101.1 that enables them to be attached to theproximal end 101 of eachcable 9. - The cables extend from their proximal ends 101 to a distal end which is coupled to a common source of resistance such that, when the proximal end of each cable is pulled by a user, the source of resistance exerts a counter force on the cable. Starting from the proximal end, each cable extends through one of the pairs of
pulleys 11 and then to adirection changing pulley 14. From there, the cables are passed upward and over a parallel set of direction changing pulleys 14.1. Then, as is best seen inFIG. 4 , thecables 9 pass horizontally to a further parallel set of direction changing pulleys 14.2 and finally downward to a mechanism, best seen inFIG. 5 , which provides a common source of resistance and includes means for retaining each cable in a retracted position, when it is not being pulled by a user, even when one or more other cables are pulled by a user. - As may be seen in
FIG. 5 , the distal end of eachcable 9 is ultimately attached to acounterweight 16 which travels vertically through a slot mounted in a housing, with the slots andcounterweights 16 positioned side by side at the ends of their respective cables 9 (onecounterweight 16 for eachcable 9 threaded through the system). Immediately above the set of counterweights is ahorizontal plate assembly 18 with seven holes therein, each hole being aligned with one of the downwardly descendingcables 9 to permit this cable to pass through it for attachment to itsrespective counterweight 16. When a user pulls on the proximal end of acable 9, thecounterweight 16, attached to its distal end, is lifted thereby contacting and lifting thehorizontal plate assembly 18. - The
horizontal plate assembly 18 is constrained to move vertically. For this purpose, theplate assembly 18 is connected to fourrollers 20 that slide within fourvertical tracks cables 9 will vertically lift theplate assembly 18. During such cable movement, the remaining cables will be retained in their normal, retracted position by theirrespective counterweights 16. - As mentioned previously, the
exercise equipment 10 is provided with a common source of resistance. It is this source of resistance for which the present invention differs from the mechanism disclosed in the U.S. Pat. No. 6,705,976. - As best seen in
FIG. 5 , the source of resistance for theexercise equipment 10 comprises a “force transfer” means, such as thehorizontal plate assembly 18 that is constrained by the slidingrollers 12 to move within the four vertical tracks 21-24, which transfers the force from the source of resistance to thecable 9 and, ultimately, theuser handle 102. - It will be understood that any suitable arrangement may be used to constrain the movement of the force transfer means. For example, the force transfer means may be constrained to move substantially vertically, up and down, on Teflon bearings that slide on vertical guide rods. Alternatively, the force transfer means may move in any desired direction if only springs and/or dampers are used as a source of resistance.
- When weights are used, the exercise equipment is provided with means for removably holding a selected number of these weights during upward movement of the force transfer means 18. This holding means may include a device, such as the horizontal,
cylindrical rod 30, upon which a number ofweights 32 may be mounted. Theweights 32 are preferably of the type normally found at a fitness center or physical therapy facility so that, as a consequence, the machine need not be provided with such weights when manufactured and delivered. - Alternatively, or in addition, the means for exerting a resistance on the force transfer means 18 when it moves may include a device for removably attaching one or more springs, such as tension springs 34 shown in
FIGS. 1 and 4 and/or compression springs 40 shown inFIG. 4 . The tension springs may be attached between therod 30 and amember 36 which extends outward from the bottom portion of the frame of the exercise equipment. Alternatively, or in addition to, such tension spring(s), one or more compression springs 40 may be provided to exert the resistance force against the force transfer means. The downward force exerted by acompression spring 40 may be adjusted by adjusting the vertical position ofblock 41 which holds the top of the spring. - As in the case of the weights, the tension spring or springs 34 are made removable so that the amount of resistance may be easily adjusted by selecting springs of different tension and/or by attaching a desired number of springs.
- The tension springs 34 may comprise one or more coil springs, elastic bands, straps, rods or tube, or the spring may be in the form of a bendable rod. Similarly, the
compression 40 spring may be a coil spring which is retained by a rod through its center or within a surrounding tube or a bendable rod, as is well known in the field of exercise equipment. - Various types of springs are illustrated in
FIGS. 10 a-10 d.FIG. 10 a illustrates a coil spring,FIG. 10 b illustrates an elastic elongate band,FIG. 10 c illustrates an elastic tube andFIG. 10 d illustrates a bendable rod. - Alternatively, or in addition to the weights and/or springs which are removably attached to the exercise equipment, one or
more dampers 38 may be connected between the force transfer means 18 orrod 30 and the frame of the exercise equipment, ormember 76, as illustrated inFIGS. 1 and 4 . - Each
damper 38 may comprise a hydraulic damper, pneumatic damper or an electromagnetic resistance element. Such a damper operates in the manner of a “shock absorber” in a motor vehicle suspension system. The amount of resistance force that it exerts is dependent upon the relative speed of displacement between its two ends. - The present invention thus provides a simple and relatively inexpensive means for exerting a resistance force against the retraction of one or
more cables 9 when pulled from their proximal ends 101. The present invention makes it possible to apply three types of resistance force, either separately or together: - (1) a constant resistance force W produced by a weight or
weights 32; - (2) a distance-dependent force which results from spring(s) 34; and
- (3) a speed-dependent force which results from one or
more dampers 38. - A second embodiment of the present invention is illustrated in
FIGS. 7-9 . In this case, the exercise equipment is provided with asingle cable 68 having aproximal end 67 that passes through a pair ofpulleys 62. Thepulley pair 62 is mounted on amovable trolley system 63 that can be repositioned along atrack 64 attached to thehousing 61. - As in the case of the first embodiment, the proximal end of the
cable 68 is attached to a gripping device or handle 76 so that it may be pulled by a user. - After passing through the
pulley pair 62, thecable 68 is directed through a set ofpulleys 70 after which it ultimately extends downward to a source ofresistance 69. - Since the distance between the
pulley pair 72 and the first pair ofpulleys 70 will vary as thetrolley 63 is repositioned along thetrack 64, a cable takeup mechanism, comprising a pulley 72.1 which is moveable along a moveable bar 73.1, is provided. As the trolley is moved, alever 74 is rotated about a pivot connection to pull the end of aflexible sheath cable 75. When thelever 74 is moved, thecable takeup mechanism 72 travels in a substantially vertical direction up or down in direct proportion to the distance themoveable trolley 63 is moved along the arced curve. Once the new position is found for themoveable trolley 63 thelever 74 is moved back causing apin 73 to slide into a corresponding hole along the vertical rod 73.1 holding the pulley 72.1 in place. - The source of resistance in this second embodiment is considerably simpler than that of the first embodiment described above. In this embodiment the distal end of the
cable 75 is attached to aplate 69 which is constrained to move vertically byvertical tracks plate 69 serves as the force transfer device in this embodiment. - Extending outward from this
plate 69 is arod 75 of suitable size and diameter to hold one or more disk shapedweights 80. As in the case of the first embodiment, one or more tension springs 82 ordampers 84 may be connected between therod 75 and aframe member 77 which protrudes outward from the bottom of the exercise equipment. - When in use, a pull on the
gripping handle 76 results in raising theforce transfer device 69 and, in turn, theresistance exerting device 75 which protrudes through aslot 78 in the housing. The resistance provided at the distal end of thecable 68 is easily adjusted by adding or subtractingweights 80, springs 82 ordampers 84 from therod 75. - Alternatively, instead of providing a
separate rod 75 which protrudes through theslot 78 in the housing, the means for removably holding one or more weights, for removably attaching one or more springs and/or for removably attaching one or more damping devices may be incorporated entirely within the housing. For example, weights such as sandbags, cement blocks, cement-filled cans or the like may be placed directly upon theplate 69, and thesprings 82 anddampers 84 may be attached, by means of hooks, eyes or the like, between theplate 69 and the base of the housing directly beneath it. - With the exception of the fact that the second embodiment operates with only a single cable, the force transfer device and the resistance exerting device in the first and second embodiments are essentially the same.
-
FIGS. 11-14 illustrate several additional preferred embodiments of exercise equipment to which the present invention relates. Various elements shown in these figures, to the extent that they are similar or identical to corresponding elements in the embodiment ofFIGS. 1-6 , are designated with the same reference numerals. -
FIG. 11 shows exercise apparatus in which the user grabs ahandle 100 attached to a proximal end of acable 9, and pulls downward. The cable passes over pulleys 14.1 and 14.2 to-a-distal end which is attached to anassembly 18 having a bearing 18.1 which surrounds and slides over one or morevertical poles 24. The precise arrangement, which uses twoparallel poles FIGS. 15 a and 15 b. - As the user pulls downward on the
cable 9, theassembly 18 raises a horizontal rod orbar 30. To this bar may be attached one or more of the following resistance devices: - One or
more weights - One or more tension springs 34 a and 34 b;
- One or
more dampers - One or more compression springs 40.
- The
assembly 18 thus serves as a “force transfer device” coupled to the distal end ofcable 9 whereas thebar 30 serves as a means for exerting a counter-force against the force transfer device when the force transfer device is raised upward. -
FIG. 12 shows an alternative embodiment wherein thecable 9 extends downward to a pulley 14.3 at the base of the equipment. In use, thehandle 100 attached to the proximal end of the cable must be pulled upward, rather than downward as in the case of the exercise equipment ofFIG. 11 . Otherwise, this exercise equipment is identical to that ofFIG. 11 . -
FIG. 13 illustrates exercise apparatus which is also very similar to that ofFIGS. 11 and 12 , but which avoids the use of thecable 9. In this embodiment, the rod orbar 30 is rigidly attached to abar 110 which extends upward to ahandle 112 at substantially waist height. The length of the bar,110 may be adjustable to adjust the height of thehandle 112. - In a still further embodiment shown in
FIG. 14 , thehandle 112 is attached directly to the end of the rod or bar 30 so that the user may operate the exercise equipment while in the prone position. -
FIGS. 16 a and 16 b show an alternative embodiment of theforce transfer device 18. In this embodiment, thebar 30 is fixed to atrolley mechanism 118 which is arranged in twoparallel tracks - It will be understood that various other mechanisms can be used so that movement of the force transfer means is substantially linear. Similarly, instead of providing a
horizontal bar 30 for holding disk type weights, the means for removably holding the weights may be a horizontal platform, with or without a vertical bar extending upward from it. -
FIG. 17 illustrates a resistance source for a cable actuated exercise machine of the type disclosed in the aforementioned U.S. Pat. No. 6,705,976 which has been incorporated herein by reference. -
FIG. 18 shows a resistance source, similar to that shown inFIG. 17 , except that in the apparatus ofFIG. 17 the distal end of the cable is coupled directly to aplate 150 at the top of aweight stack 24, whereas in the apparatus ofFIG. 18 the distal end of the cable is wound around apulley 66. In the latter arrangement, the pulley provides a 50% reduction in the force required to lift the weights in the weight stack. - In both the apparatus of
FIG. 17 andFIG. 18 , the resistance source not only includes a selected number of weights in the weight stack, but also can selectively include one or more tension springs 34. These tension springs or more specifically, elastic bands are attachable to hooks formed on theplate 150 at the top of the weight stack, and moveable upwardly therewith, and fixed hooks attached to the lowermost part of the housing. -
FIGS. 19-23 illustrate one type of arrangement for holding the tension springs 34 andFIGS. 24-26 show another device for this same purpose. -
FIGS. 19 a, 19 b and 19 c show top, side and face views, respectively, of the resistance source for exercise apparatus of the type shown in eitherFIG. 17 orFIG. 18 . This resistance source, which exerts a counterforce to the distal end of the cable when it is pulled, at its proximal end, by a user, includes aweight stack 164 having a plurality ofweights 165. The user can select the number of weights to be lifted by placing a pin in one of theholes 166, locking the weight in which the pin is placed to avertical lifting bar 167. - Arranged above the weight stack is a
horizontal plate 150 which serves as a “retaining member” as will be described hereinbelow. The retainingmember 150 is coupled to the distal end of the cable, in this example by means of apulley 156. The retainingmember 150 is also selectively coupled to theweight stack 164 in a manner which will be described in detail hereinbelow. - The retaining
member 150 supports an uprightcylindrical rod 152 for holding one or more additional andseparate weights 32 of the type which are readily available at any fitness center or physical therapy facility. - In addition; the retaining
member 150 is provided with twoupstanding hooks 154 for attaching the upper ends of the two tension springs (elastic bands) 34. Similar hooks oreyes 155 are arranged at the bottom of the frame of the exercise apparatus for attaching the lower ends of the tension springs. - The
weights 165 in aweight stack 164 are provided withholes 166 so that they may be retained and guided in their movement by two vertically arrangedrods - The retaining
member 150 is also smoothly guided in its vertical movement by means ofrollers rods FIGS. 20 and 21 . -
FIGS. 20-23 also illustrate how thepulley 156 is attached to the retainingmember 150, by means ofbrackets 172, and illustrates how the retainingmember 150 is selectively coupled to thebar 167, and therefore theweights 165 in theweight stack 164. - As is best seen in
FIG. 21 , an alsoFIG. 23 , acircular rod 174 is attached to the retainingmember 150 by means of ascrew 176. Therod 174 has alongitudinal opening 175 which accepts thecircular rod 167 that extends downward and passes through the weight stack. Ahorizontal plate 182 serves as a limit stop for the downward movement of therods - When the
rod 167 is inserted into theopening 175 in therod 174, the two rods may be locked together by inserting apin 180 through the alignedopenings pin 180 in place, upward movement of the retainingmember 150 lifts theplate 182, thebar 167 and any of the weights in the weight stack which have been connected to it by inserting a pin through one of the weights and through anopening 166 in thebar 167. -
FIGS. 24-26 illustrate still another arrangement for selectively attaching tension springs (elastic bands) 34 to thetop-most weight 165 of theweight stack 164 and to the bottom of the frame of an exercise apparatus. The device comprises a top plate or bar 190 having an upstanding hook (or other attachment means) 192 at one end for attachment of a tension spring (elastic band) 34. Thebar 190 is retained to thetop weight 165 of theweight stack 164 by means of S-shapedclamps 194 that are secured bybolts 196 that pass throughelongate slots 198 in the top plate. - The bottom (opposite end) of the tension spring (elastic band) 34 is attached to the frame with the aid of an
U-shaped bracket 200 which is secured by abolt 202. The bracket has an eye or a hook for attachment of the tension spring. -
FIG. 27 illustrates how theU-shaped bracket 200 may be used to permit attachment of tension springs (elastic bands) 34 to the frame of other types of exercise equipment. - There has thus been shown and described a novel exercise apparatus which may fulfill some or all the objects and advantages sought therefor. Many changes, modifications, variations and other uses and applications of the subject invention will, however, become apparent to those skilled in the art after considering this specification and the accompanying drawings which disclose the preferred embodiments thereof. All such changes, modifications, variations and other uses and applications which do not depart from the spirit and scope of the invention are deemed to be covered by the invention, which is to be limited only by the claims.
Claims (30)
1. In exercise apparatus comprising a source of resistance to motion and a handle, connected to said source of resistance, for movement by a user, the improvement wherein the resistance source comprises at least two of (1) means for removably holding one or more weights, (2) means for removably attaching one or more springs, and (3) means for attaching one or more dampers.
2. The exercise apparatus recited in claim 1 , wherein said resistance source includes at least one weight, removably held by said weight holding means.
3. The exercise apparatus recited in claim 1 , wherein said resistance source includes at least one tension spring, removably attached to said attaching means.
4. The exercise apparatus recited in claim 3 , wherein said tension spring includes an elastic elongate member.
5. The exercise apparatus recited in claim 4 , wherein said elongate member has a shape selected from the group consisting of a rod, a tube, a band, a strap and a flat strip.
6. The exercise apparatus recited in claim 3 , wherein said tension spring is a coil spring.
7. The exercise apparatus recited in claim 1 , wherein said resistance source includes at least one compression spring, removably attached to said attaching means.
8. The exercise apparatus recited in claim 7 , wherein said compression spring is a bendable rod.
9. The exercise apparatus recited in claim 7 , wherein said compression spring is a coil spring.
10. The exercise apparatus recited in claim 1 , wherein said resistance source includes at least one damper, coupled to said attaching means.
11. The exercise apparatus recited in claim 10 , wherein said damper is selected from the group consisting of a hydraulic damper, a pneumatic damper and electromagnetic resistance means.
12. The exercise apparatus recited in claim 1 , wherein said means for removably holding one or more weights is a substantially horizontal bar, adapted to be inserted in an opening in one or more weights.
13. The exercise apparatus recited in claim 1 , wherein said means for removably holding one or more weights is a substantially horizontal surface, upon which weights may be placed.
14. The exercise apparatus recited in claim 1 , wherein said means for removably holding one or more weights is a substantially vertical bar, adapted to be inserted in an opening in one or more weights.
15. The exercise apparatus recited in claim 1 , further comprising a frame having at least one cable exit point through which is passed a cable having a proximal end and a distal end, the proximal end of the cable being located outside the frame and being attached to a gripping device that enables a user to exert a tensile force to the cable by pulling the cable in any desired direction, the distal end of each cable being coupled to said resistance source such that when the proximal end of the cable is pulled by a user, the resistance source exerts a counterforce thereto.
16. Exercise apparatus comprising, in combination:
(a) a frame;
(b) a cable arranged in the frame and having a proximal end and a distal end, the proximal end of the cable being located outside the frame and being attached to a gripping device that enables a user to exert a tensile force to the cable by pulling the cable in a desired direction, the distal end of the cable being located within the frame;
(c) a resistance source, located within the frame and adapted to be coupled to the distal end of the cable, such that when the proximal end of the cable is pulled by a user, the resistance source exerts a counterforce to the cable, said resistance source including:
(1) a plurality of weights arranged in a weight stack, one or more of said weights being adapted to move upward when lifted by the cable;
(2) a retaining member disposed above said weight stack-and coupled to the distal end of the cable so as to move upward when lifted by the cable, said retaining member having at least two of (i) first means for removably attaching an upper end of a tension spring, (ii) second means for retaining a separate weight; and (iii) third means for selectively coupling to said weight stack; and
(3) fourth means disposed on the frame for removably attaching a lower end of the tension spring.
17. The exercise apparatus recited in claim 16 , wherein said plurality of weights in said weight stack each have two vertical holes therein and wherein said resistance source further comprises two parallel rods that extend substantially vertically though said holes in said weights, whereby said weights are constrained and guided by said rods to move substantially vertically.
18. The exercise apparatus recited in claim 16 , wherein said retaining member includes a substantially horizontal plate.
19. The exercise apparatus recited in claim 16 , wherein said first means is a hook for removably attaching said tension spring.
20. The exercise apparatus recited in claim 16 , wherein said second means is a rod adapted to be passed through a hole in said separate weight.
21. The exercise apparatus recited in claim 20 , wherein said rod extends substantially vertically.
22. The exercise apparatus recited in claim 20 , wherein said rod extends substantially horizontally.
23. The exercise apparatus recited in claim 16 , wherein said fourth means is a hook for removably attaching said tension spring.
24. The exercise apparatus recited in claim 16 , wherein said tension spring is at least one elastic band.
25. The exercise apparatus recited in claim 16 , wherein said retaining member further comprises a pulley, and wherein said cable is passed around said pulley at its distal end.
26. The exercise apparatus recited in claim 16 , wherein said cable is connected directly to said retaining member.
27. In exercise apparatus having a fixed frame with a frame member, a movable member arranged in the frame and adapted for movement by a user, and a source of resistance arranged in the frame and connected to said movable member, a removable device for removably connecting a tension spring to provide at least a portion of said source of resistance.
28. The removable device recited in claim 27 , comprising:
(a) an U-shaped bracket having a threaded hole therein, and means for attachment of one end of said tension spring; and
(b) a threaded bolt inserted in said hole, the threads of said bolt mating with the threads of said hole, to clamp the U-shaped bracket to the frame member.
29. In exercise apparatus having a frame and a stack of weights, a removable device for removably connecting a tension spring to a topmost weight in said weight stack, said device comprising:
(a) an elongate bar having means for attachment of one end of said tension spring, said bar being adapted to extend across, and to be clamped onto, a top surface of said topmost weight, said bar having at least one hole therein;
(b) at least one S-shaped clamp adapted to be inserted between said topmost weight and a lower weight in said weight stack, said clamp having at least one hole therein; and
(c) a bolt, adapted to be passed through said openings in said bar and said clamp, for securing said bar and said clamp together.
30. The exercise apparatus recited in claim 29 , wherein said frame has a frame member, and further comprising a removable device for removably connecting an opposite end of said tension spring to the frame, said device comprising:
(a) an U-shaped bracket having a threaded hole therein, and means for attachment of said opposite of said tension spring; and
(b) a threaded bolt inserted in said hole, the threads of said bolt mating with the threads of said hole, to clamp the U-shaped bracket to the frame member.
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- 2005-08-03 EP EP05778265A patent/EP1809393A4/en not_active Withdrawn
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US20100130336A1 (en) * | 2008-11-25 | 2010-05-27 | Mcsorley Tyrone G | Neuromuscular Training Apparatus and Method of Use |
US7887471B2 (en) * | 2008-11-25 | 2011-02-15 | Mcsorley Tyrone G | Neuromuscular training apparatus and method of use |
US7935026B2 (en) | 2008-11-25 | 2011-05-03 | Mcsorley Tyrone G | Extremity therapy apparatus |
US8784286B2 (en) | 2009-03-25 | 2014-07-22 | Graa Innovations, Llc | Power stride apparatus and method of training therefor |
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US20160151656A1 (en) * | 2013-04-29 | 2016-06-02 | Eracles-Technology | Muscle biasing device |
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US10188890B2 (en) | 2013-12-26 | 2019-01-29 | Icon Health & Fitness, Inc. | Magnetic resistance mechanism in a cable machine |
US10426989B2 (en) | 2014-06-09 | 2019-10-01 | Icon Health & Fitness, Inc. | Cable system incorporated into a treadmill |
US10940360B2 (en) | 2015-08-26 | 2021-03-09 | Icon Health & Fitness, Inc. | Strength exercise mechanisms |
US10449416B2 (en) | 2015-08-26 | 2019-10-22 | Icon Health & Fitness, Inc. | Strength exercise mechanisms |
US20170106230A1 (en) * | 2015-10-20 | 2017-04-20 | Sean Kelly | Dynamic wall squat machine |
US10293211B2 (en) | 2016-03-18 | 2019-05-21 | Icon Health & Fitness, Inc. | Coordinated weight selection |
US10441840B2 (en) | 2016-03-18 | 2019-10-15 | Icon Health & Fitness, Inc. | Collapsible strength exercise machine |
US10252109B2 (en) | 2016-05-13 | 2019-04-09 | Icon Health & Fitness, Inc. | Weight platform treadmill |
US10751565B2 (en) * | 2016-08-28 | 2020-08-25 | Fadi Saadallah | Exercise machine |
US10661114B2 (en) | 2016-11-01 | 2020-05-26 | Icon Health & Fitness, Inc. | Body weight lift mechanism on treadmill |
US20200038704A1 (en) * | 2018-05-07 | 2020-02-06 | Coulter Ventures, Llc. | Weightlifting Machine |
US11058909B2 (en) * | 2018-05-07 | 2021-07-13 | Coulter Ventures, Llc. | Weightlifting machine |
USD942563S1 (en) | 2018-05-07 | 2022-02-01 | Coulter Ventures, Llc. | Exercise stand |
US12023539B2 (en) | 2018-05-07 | 2024-07-02 | Coulter Ventures, Llc. | Weightlifting machine |
Also Published As
Publication number | Publication date |
---|---|
WO2006017680A3 (en) | 2006-05-04 |
WO2006017680A2 (en) | 2006-02-16 |
EP1809393A2 (en) | 2007-07-25 |
US20070270291A1 (en) | 2007-11-22 |
EP1809393A4 (en) | 2009-03-04 |
US7507190B2 (en) | 2009-03-24 |
CA2573962A1 (en) | 2006-02-16 |
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