US20020137607A1 - Device for attaching an elastic member to exercise apparatus - Google Patents
Device for attaching an elastic member to exercise apparatus Download PDFInfo
- Publication number
- US20020137607A1 US20020137607A1 US10/084,277 US8427702A US2002137607A1 US 20020137607 A1 US20020137607 A1 US 20020137607A1 US 8427702 A US8427702 A US 8427702A US 2002137607 A1 US2002137607 A1 US 2002137607A1
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- United States
- Prior art keywords
- flexible disc
- solid body
- spring
- outer diameter
- anchor
- Prior art date
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- Abandoned
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Classifications
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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
- A63B21/02—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
- A63B21/023—Wound springs
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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
- A63B21/02—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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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/0048—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with cantilevered support elements pivoting about an axis
- A63B22/0056—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with cantilevered support elements pivoting about an axis the pivoting movement being in a vertical plane, e.g. steppers with a horizontal axis
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- 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
- A63B23/03541—Moving independently from each other
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
- A63B23/0429—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously with guided foot supports moving parallel to the body-symmetrical-plane by being cantilevered about a horizontal axis
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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
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/0025—Particular aspects relating to the orientation of movement paths of the limbs relative to the body; Relative relationship between the movements of the limbs
- A63B2022/0038—One foot moving independently from the other, i.e. there is no link between the movements of the feet
-
- 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
- A63B21/00065—Mechanical means for varying the resistance by increasing or reducing the number of resistance units
-
- 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
- A63B21/02—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
- A63B21/0421—Anchored at two end points, e.g. installed within an apparatus the ends moving relatively by a pivoting arrangement
-
- 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
- A63B21/02—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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/02—Characteristics or parameters related to the user or player posture
- A63B2208/0228—Sitting on the buttocks
Definitions
- This invention generally relates to resistance based exercise equipment and more particularly to a spring anchor for a spring biased resistance exercise devices such as a Pilates combo chair.
- a hook is often used to connect each of the two ends of the spring (or generally a force resisting mechanism) to a fixed location on the exercise equipment.
- a hook may easily become unattached from the exercise equipment if the spring to which the hook is connected becomes relaxed.
- a device that securely connects a force resisting mechanism to an appropriate location of exercise equipment and that allows the force resisting mechanism to remain securely connected in place as the tension and stress of the force resisting mechanism is varied or modulated.
- a Pilates Wunda or Combo chair is one such exercise device that is basically a box structure that has one open side out of which one or two spring biased pivot arms protrude.
- the box structure is designed to rest on a horizontal surface such as a floor.
- Each of the pivot arms has one end fastened to an inside wall of the box.
- the free end of the pivot arm has a foot step/support pad mounted thereon.
- a user typically stands on the floor and steps or presses downward on the step pad at the free end of the pivot arm with his or her foot or hand to rotate the arm downward against tension provided by one or more coil springs attached between an anchor point on the arm and an anchor point inside the box in order to perform various exercise movements.
- each coil spring is attached to one of the pivot arms typically via a hook.
- the other end of each coil spring typically has a hook that must be inserted into the eye of an eyebolt fastened to the inside or the inner sidewall of the combo chair structure. The user must physically bend down, look under the top of the chair to align and engage the hook into the eyebolt. This action is awkward and inconvenient for the user as it is often difficult to attach the spring without visually watching connection as it is being made.
- a preferred embodiment of the present invention is a spring anchor adapted to be fastened to a surface of an exercise apparatus such as a Pilates combo chair.
- the anchor in accordance with the present invention may be mounted on the pivot arm and also mounted to the inner sidewall of the box frame structure.
- the anchor basically is an hourglass shaped solid body adapted to receive one end of a coil spring therearound.
- the solid body has a central axial bore therethrough, a maximum outer diameter, and a waist having a diameter less than the outer diameter.
- a flexible disc is fastened to a top portion of the body. This disc has an outer diameter greater than the outer diameter of the solid body so that the outer edge of the disc extends beyond the solid body.
- a threaded cap member passes through the flexible disc and through the solid body fastening the flexible disc between the top of the solid body and a cap portion of the cap member. The threaded cap member then threads into the surface of the exercise device.
- the spring anchor outer diameter is sized to fit within an eye at the one end of the coil spring and the flexible disc is sized larger than the eye, so that the flexible disc elastically deflects and deforms to permit the eye to pass over the disc and onto the spring anchor.
- the flexible disc prevents inadvertent slippage of the eye of the spring off of the anchor.
- the spring can easily be removed from the anchor by releasing the tension on the spring and forcing the eye over the flexible disc and off the anchor body.
- the flexible disc acts as a retainer or guard on the anchor to prevent inadvertent dislodging of the spring from the anchor.
- FIG. 1 is a perspective view of an exercise apparatus that incorporates an embodiment of the present invention.
- FIG. 2 is a side view of an anchor in accordance with an embodiment of the present invention separate from the exercise apparatus shown in FIG. 1.
- the Pilates combo chair 100 may have single or split steps 102 .
- the split steps 102 may easily be converted into a single step by inserting a dowel (not shown), horizontally through a bore 108 through each of the two aligned split steps 102 .
- the dowel connects the split steps together forming a single step.
- each step is at the free end of a pivot arm 104 .
- the other end of the pivot arm 104 is connected to the base of the box shaped frame structure 106 the combo chair 100 by a self-lubricating bearing for smooth operation and rotation of the arm 104 .
- the step 102 is padded and covered with a rubberized or other type of non-slip material that minimize accidental foot slippage by increasing the surface friction between the step and a user's foot that rests on the step 102 .
- One or more springs 110 each have one end 112 connected to the pivot arm 104 via an anchor 120 .
- the other end 114 of the spring 110 is fastened to a sidewall of the frame structure 106 via another anchor 120 in accordance with the present invention.
- a user performs various exercises by placing one or two feet on the footrests and undergoing a series of stepping movements.
- the springs 110 provide a level of resistance that may be varied by changing the number of springs and/or the spring attachment location to one of the anchors 120 to which the spring or springs are attached.
- the combo chair 100 shown in FIG. 1 has five spring attachment anchors in accordance with the present invention for each step 102 .
- the anchor 120 is shown in a separate side view in FIG. 2. Also shown in FIG. 2 is a cross section of one of the closed hook ends of a spring that forms a ring or eye 132 that is positioned just over the anchor 120 to illustrate the relative dimensions of the ring 132 and the anchor 120 .
- the anchor 120 has an hourglass-shaped solid body 122 preferably made of a metal such as aluminum or steel that has a central axial through bore 124 .
- the upper portion 126 of the body 122 has an outer diameter greater than a mid waist portion 128 . Thus the waist 128 has a diameter less than the maximum outer diameter of the upper portion 126 .
- the body 122 is shaped and sized to receive one closed end 132 of a coil spring 110 therearound.
- a flexible disc 130 is positioned on the top of the upper portion of the body. This disc 130 has an outer diameter greater than the maximum outer diameter of the upper portion 126 of the solid body 122 .
- a washer 134 is positioned on top of the flexible disc 130 and a cap bolt 136 passes through the washer 134 , the disc 130 , and through the axial bore 124 . The cap bolt 136 is then fastened to a surface such as the box frame 106 of the combo chair 100 or fastened to the pivot arm 104 as is shown in FIG. 1.
- the spring anchor outer diameter is sized to fit within the ring 132 at the end of the coil spring 110 .
- the flexible disc 130 is sized larger than the eye of the ring so that the flexible disc 130 must elastically deform or deflect to permit the ring 132 to pass over the disc 130 and onto the spring anchor body 122 .
- the flexible disc 130 prevents inadvertent slippage of the ring 132 of the spring 110 off of the anchor 120 .
- the flexible disc 130 is an annular disc made of an elastomeric material and is preferably made of a reinforced neoprene that is flexible yet has sufficient stiffness to preclude inadvertent dislocation of the ring 132 from the anchor 120 .
- One such material is a neoprene laminate that has one or more reinforcing fabric layers embedded in the neoprene substrate.
- the cap member that holds the washer 134 , the flexible disc 130 , and the anchor body 122 together is preferably a threaded bolt 136 that has a cap portion and a threaded portion that passes through the solid body 122 and through the central aperture in the flexible disc 130 .
- This cap member may be a screw or a bolt and the cap portion preferably is a rounded head to hold the washer in place on the flexible disc 130 and together with the body 122 against the supporting surface.
- the washer 134 may be omitted from the anchor 120 if the flexible disc 130 has sufficient rigidity of its own accord to retain the ring 132 on the anchor 120 .
- the washer 134 may also be omitted if the head of the bolt 136 is wide or broad enough in diameter to provide the support of the flexible disc 130 required.
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Springs (AREA)
Abstract
A spring anchor for a spring biased exercise device has an hourglass shaped solid body adapted to receive one closed loop end of a coil spring therearound. The solid body has a central axial bore therethrough, a maximum outer diameter and a waist having a diameter less than the outer diameter. A flexible disc is fastened transversely to a top portion of the body. The disc has an outer diameter greater than the outer diameter of the solid body so that it extends beyond the outer diameter of the body. A cap member fastens the flexible disc between the top of the solid body and a cap portion of the cap member. The cap member in turn fastens the anchor to a flat surface of the exercise device. The spring anchor outer diameter is sized to fit within a closed loop at one end of the coil spring. The flexible disc is sized larger than the closed loop, so that the flexible disc must elastically deform to permit the eye to pass over the disc and onto the spring anchor. The flexible disc prevents inadvertent slippage of the closed loop of the spring off of the anchor.
Description
- 1. Field of the Invention
- This invention generally relates to resistance based exercise equipment and more particularly to a spring anchor for a spring biased resistance exercise devices such as a Pilates combo chair.
- 2. Description of Related Art
- Today, many types of exercise equipment are available and used for fitness and/or medical reasons to burn off undesired calories, to improve cardiovascular ability, to tone or strengthen muscles, or to improve flexibility, balance, posture, etc. No matter what the desired end goal of a user of exercise equipment may be, almost all types of exercise equipment aid the user to achieve his or her desired goal by creating some form of adequate and effective resistance against repeated bodily movements of the user.
- A hook is often used to connect each of the two ends of the spring (or generally a force resisting mechanism) to a fixed location on the exercise equipment. However, a hook may easily become unattached from the exercise equipment if the spring to which the hook is connected becomes relaxed. Thus, there is a need for a device that securely connects a force resisting mechanism to an appropriate location of exercise equipment and that allows the force resisting mechanism to remain securely connected in place as the tension and stress of the force resisting mechanism is varied or modulated.
- A Pilates Wunda or Combo chair is one such exercise device that is basically a box structure that has one open side out of which one or two spring biased pivot arms protrude. The box structure is designed to rest on a horizontal surface such as a floor. Each of the pivot arms has one end fastened to an inside wall of the box. The free end of the pivot arm has a foot step/support pad mounted thereon. A user typically stands on the floor and steps or presses downward on the step pad at the free end of the pivot arm with his or her foot or hand to rotate the arm downward against tension provided by one or more coil springs attached between an anchor point on the arm and an anchor point inside the box in order to perform various exercise movements.
- One end of each coil spring is attached to one of the pivot arms typically via a hook. The other end of each coil spring typically has a hook that must be inserted into the eye of an eyebolt fastened to the inside or the inner sidewall of the combo chair structure. The user must physically bend down, look under the top of the chair to align and engage the hook into the eyebolt. This action is awkward and inconvenient for the user as it is often difficult to attach the spring without visually watching connection as it is being made.
- Against this backdrop the present invention has been designed. A preferred embodiment of the present invention is a spring anchor adapted to be fastened to a surface of an exercise apparatus such as a Pilates combo chair. In the combo chair application, the anchor in accordance with the present invention may be mounted on the pivot arm and also mounted to the inner sidewall of the box frame structure.
- The anchor basically is an hourglass shaped solid body adapted to receive one end of a coil spring therearound. The solid body has a central axial bore therethrough, a maximum outer diameter, and a waist having a diameter less than the outer diameter. A flexible disc is fastened to a top portion of the body. This disc has an outer diameter greater than the outer diameter of the solid body so that the outer edge of the disc extends beyond the solid body. A threaded cap member passes through the flexible disc and through the solid body fastening the flexible disc between the top of the solid body and a cap portion of the cap member. The threaded cap member then threads into the surface of the exercise device. The spring anchor outer diameter is sized to fit within an eye at the one end of the coil spring and the flexible disc is sized larger than the eye, so that the flexible disc elastically deflects and deforms to permit the eye to pass over the disc and onto the spring anchor.
- After a spring is fastened to the anchor, the flexible disc prevents inadvertent slippage of the eye of the spring off of the anchor. The spring can easily be removed from the anchor by releasing the tension on the spring and forcing the eye over the flexible disc and off the anchor body. The flexible disc acts as a retainer or guard on the anchor to prevent inadvertent dislodging of the spring from the anchor. These and other features, advantages and objects of the invention will become more apparent from a reading of the following detailed description when taken in conjunction with the accompanying drawings.
- FIG. 1 is a perspective view of an exercise apparatus that incorporates an embodiment of the present invention.
- FIG. 2 is a side view of an anchor in accordance with an embodiment of the present invention separate from the exercise apparatus shown in FIG. 1.
- One type of exercise apparatus, which utilizes an embodiment of the present invention described hereinafter, is shown in FIG. 1. The Pilates
combo chair 100 may have single orsplit steps 102. Thesplit steps 102 may easily be converted into a single step by inserting a dowel (not shown), horizontally through abore 108 through each of the two alignedsplit steps 102. The dowel connects the split steps together forming a single step. As shown in FIG. 1, each step is at the free end of apivot arm 104. The other end of thepivot arm 104 is connected to the base of the boxshaped frame structure 106 thecombo chair 100 by a self-lubricating bearing for smooth operation and rotation of thearm 104. Thestep 102 is padded and covered with a rubberized or other type of non-slip material that minimize accidental foot slippage by increasing the surface friction between the step and a user's foot that rests on thestep 102. One ormore springs 110 each have oneend 112 connected to thepivot arm 104 via ananchor 120. Theother end 114 of thespring 110 is fastened to a sidewall of theframe structure 106 via anotheranchor 120 in accordance with the present invention. - A user performs various exercises by placing one or two feet on the footrests and undergoing a series of stepping movements. The
springs 110 provide a level of resistance that may be varied by changing the number of springs and/or the spring attachment location to one of theanchors 120 to which the spring or springs are attached. For example, thecombo chair 100 shown in FIG. 1 has five spring attachment anchors in accordance with the present invention for eachstep 102. There are three anchors on the sidewall of theframe 106 of thecombo chair 100 and two on thestep pivot arm 104 near thestep 102. - The
anchor 120 is shown in a separate side view in FIG. 2. Also shown in FIG. 2 is a cross section of one of the closed hook ends of a spring that forms a ring oreye 132 that is positioned just over theanchor 120 to illustrate the relative dimensions of thering 132 and theanchor 120. Theanchor 120 has an hourglass-shapedsolid body 122 preferably made of a metal such as aluminum or steel that has a central axial throughbore 124. The upper portion 126 of thebody 122 has an outer diameter greater than amid waist portion 128. Thus thewaist 128 has a diameter less than the maximum outer diameter of the upper portion 126. Thebody 122 is shaped and sized to receive one closedend 132 of acoil spring 110 therearound. - A
flexible disc 130 is positioned on the top of the upper portion of the body. Thisdisc 130 has an outer diameter greater than the maximum outer diameter of the upper portion 126 of thesolid body 122. Awasher 134 is positioned on top of theflexible disc 130 and acap bolt 136 passes through thewasher 134, thedisc 130, and through theaxial bore 124. Thecap bolt 136 is then fastened to a surface such as thebox frame 106 of thecombo chair 100 or fastened to thepivot arm 104 as is shown in FIG. 1. - The spring anchor outer diameter is sized to fit within the
ring 132 at the end of thecoil spring 110. Theflexible disc 130 is sized larger than the eye of the ring so that theflexible disc 130 must elastically deform or deflect to permit thering 132 to pass over thedisc 130 and onto thespring anchor body 122. Theflexible disc 130 prevents inadvertent slippage of thering 132 of thespring 110 off of theanchor 120. Theflexible disc 130 is an annular disc made of an elastomeric material and is preferably made of a reinforced neoprene that is flexible yet has sufficient stiffness to preclude inadvertent dislocation of thering 132 from theanchor 120. One such material is a neoprene laminate that has one or more reinforcing fabric layers embedded in the neoprene substrate. - The cap member that holds the
washer 134, theflexible disc 130, and theanchor body 122 together is preferably a threadedbolt 136 that has a cap portion and a threaded portion that passes through thesolid body 122 and through the central aperture in theflexible disc 130. This cap member may be a screw or a bolt and the cap portion preferably is a rounded head to hold the washer in place on theflexible disc 130 and together with thebody 122 against the supporting surface. Thewasher 134 may be omitted from theanchor 120 if theflexible disc 130 has sufficient rigidity of its own accord to retain thering 132 on theanchor 120. Thewasher 134 may also be omitted if the head of thebolt 136 is wide or broad enough in diameter to provide the support of theflexible disc 130 required. Thus, an embodiment of the present invention described hereinabove provides safety, convenience, and ease of use to users of exercise equipment. - It will be clear that the present invention is well adapted to attain the ends and advantages mentioned as well as those inherent therein. While a presently preferred embodiment has been described for purposes of this disclosure, numerous changes may be made which will readily suggest themselves to those skilled in the art and which are encompassed in the spirit of the invention as set forth in the following claims.
Claims (18)
1. A spring anchor adapted to be fastened to a surface, the anchor comprising:
an hourglass shaped solid body adapted to receive one closed loop end of a coil spring therearound, the solid body having a central axial bore therethrough, a maximum outer diameter, a waist having a diameter less than the outer diameter;
a flexible disc fastened to a top portion of the body, the disc having an outer diameter greater than the outer diameter of the solid body, and
a cap member fastening the flexible disc between the top of the solid body and a cap portion of the cap member, wherein the spring anchor outer diameter is sized to fit within the closed loop end of the coil spring and the flexible disc is sized larger than the closed loop, the flexible disc elastically deflecting to permit the closed loop to pass over the disc and onto the spring anchor, the flexible disc preventing inadvertent slippage of the closed loop of the spring off of the anchor.
2. The spring anchor according to claim 1 wherein the flexible disc is an elastomeric material.
3. The spring anchor according to claim 1 wherein the cap member is a threaded bolt passing through the solid body and through a central aperture in the flexible disc.
4. The spring anchor according to claim 1 wherein the flexible disc is a composite material having a fabric reinforcing layer and elastomer substrate layers sandwiching the reinforcing layer.
5. The spring anchor according to claim 1 further comprising a washer positioned over the flexible disc on the cap member.
6. The spring anchor according to claim 5 wherein the cap member is a bolt having a head and a threaded portion, the threaded portion passing through the washer, the flexible disc, and through the axial bore in the solid body, the head and the solid body sandwiching the washer and the flexible disc therebetween.
7. In an exercise apparatus having one or more springs fastened between a movable member and a frame member, a spring anchor adapted to be fastened to one of the members, the anchor comprising:
an hourglass shaped solid body adapted to receive one closed loop end of a coil spring therearound, the solid body having a central axial bore therethrough, a maximum outer diameter, a waist having a diameter less than the outer diameter;
a flexible disc fastened to a top portion of the body, the disc having an outer diameter greater than the outer diameter of the solid body, and
a cap member fastening the flexible disc between the top of the solid body and a cap portion of the cap member, wherein the spring anchor outer diameter is sized to fit within the closed loop end of the coil spring and the flexible disc is sized larger than the closed loop, the flexible disc elastically deflecting to permit the closed loop to pass over the disc and onto the spring anchor, the flexible disc preventing inadvertent slippage of the closed loop of the spring off of the anchor.
8. The spring anchor according to claim 7 wherein the flexible disc is an elastomeric material.
9. The spring anchor according to claim 7 wherein the cap member is a threaded bolt passing through the solid body and through a central aperture in the flexible disc.
10. The spring anchor according to claim 7 wherein the flexible disc is a composite material having a fabric reinforcing layer and elastomer substrate layers sandwiching the reinforcing layer.
11. The spring anchor according to claim 7 further comprising a washer positioned over the flexible disc on the cap member.
12. The spring anchor according to claim 11 wherein the cap member is a bolt having a head and a threaded portion, the threaded portion passing through the washer, the flexible disc, and through the axial bore in the solid body into one of the movable member and the frame member, the head and the solid body sandwiching the washer and the flexible disc therebetween.
13. An exercise apparatus having a movable member and a frame member and a coil spring fastened therebetween and a spring anchor fastened to one of the members removably fastening one end of the spring to the spring anchor, wherein the spring anchor comprises:
an hourglass shaped solid body receiving one closed loop end of the coil spring therearound, the solid body having a central axial bore therethrough, a maximum outer diameter, a waist having a diameter less than the outer diameter;
a flexible disc fastened to a top portion of the body, the disc having an outer diameter greater than the outer diameter of the solid body, and
a cap member fastening the flexible disc between the top of the solid body and a cap portion of the cap member, wherein the spring anchor outer diameter is sized to fit within the closed loop end of the coil spring and the flexible disc is sized larger than the closed loop, the flexible disc elastically deflecting to permit the closed loop to pass over the disc and onto the spring anchor, the flexible disc preventing inadvertent slippage of the closed loop of the coil spring off of the anchor.
14. The apparatus according to claim 13 wherein the flexible disc is an elastomeric material.
15. The apparatus according to claim 13 wherein the cap member is a threaded bolt passing through the solid body and through a central aperture in the flexible disc into the one member.
16. The apparatus according to claim 13 wherein the flexible disc is a composite material having a fabric reinforcing layer and elastomeric substrate layers sandwiching the reinforcing layer.
17. The apparatus according to claim 13 further comprising a washer positioned over the flexible disc on the cap member.
18. The apparatus according to claim 17 wherein the cap member is a bolt having a head and a threaded portion, the threaded portion passing through the washer, the flexible disc, and through the axial bore in the solid body, the head and the solid body sandwiching the washer and the flexible disc therebetween.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/084,277 US20020137607A1 (en) | 2001-03-20 | 2002-02-25 | Device for attaching an elastic member to exercise apparatus |
US10/745,322 US6916279B2 (en) | 2002-02-25 | 2003-12-22 | Device for attaching an elastic member to an exercise apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27733101P | 2001-03-20 | 2001-03-20 | |
US10/084,277 US20020137607A1 (en) | 2001-03-20 | 2002-02-25 | Device for attaching an elastic member to exercise apparatus |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/745,322 Continuation-In-Part US6916279B2 (en) | 2002-02-25 | 2003-12-22 | Device for attaching an elastic member to an exercise apparatus |
Publications (1)
Publication Number | Publication Date |
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US20020137607A1 true US20020137607A1 (en) | 2002-09-26 |
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ID=26770789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/084,277 Abandoned US20020137607A1 (en) | 2001-03-20 | 2002-02-25 | Device for attaching an elastic member to exercise apparatus |
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WO2005065782A2 (en) * | 2003-12-22 | 2005-07-21 | Balanced Body, Inc. | Device for attaching an elastic member to an exercise apparatus |
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-
2002
- 2002-02-25 US US10/084,277 patent/US20020137607A1/en not_active Abandoned
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: BALANCED BODY, INC., CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ENDELMAN, KEN;REEL/FRAME:012650/0059 Effective date: 20020225 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |