US20120058867A1 - Abdominal exerciser with rotatable seat and tandem pulley features - Google Patents

Abdominal exerciser with rotatable seat and tandem pulley features Download PDF

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Publication number
US20120058867A1
US20120058867A1 US12/877,321 US87732110A US2012058867A1 US 20120058867 A1 US20120058867 A1 US 20120058867A1 US 87732110 A US87732110 A US 87732110A US 2012058867 A1 US2012058867 A1 US 2012058867A1
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US
United States
Prior art keywords
frame
base frame
seat
seat cushion
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/877,321
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English (en)
Inventor
Edward I. Mishan
Steven Mishan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
E Mishan and Sons Inc
Original Assignee
E Mishan and Sons Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Assigned to E. MISHAN & SONS, INC. reassignment E. MISHAN & SONS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MISHAN, EDWARD I., MISHAN, STEVEN
Priority to US12/877,321 priority Critical patent/US20120058867A1/en
Application filed by E Mishan and Sons Inc filed Critical E Mishan and Sons Inc
Priority to CA2721497A priority patent/CA2721497C/en
Priority to CN2011200627823U priority patent/CN202122798U/zh
Priority to RU2011135473/12A priority patent/RU2484871C2/ru
Priority to NZ603636A priority patent/NZ603636A/xx
Priority to PCT/US2011/049674 priority patent/WO2012033671A1/en
Priority to AU2011218709A priority patent/AU2011218709A1/en
Priority to PH12011000287A priority patent/PH12011000287A1/en
Priority to CO11112944A priority patent/CO6640055A1/es
Priority to ARP110103239A priority patent/AR082898A1/es
Priority to BRPI1106010-7A priority patent/BRPI1106010A2/pt
Priority to JP2011194293A priority patent/JP5270733B2/ja
Priority to HK11109418.2A priority patent/HK1153347A2/xx
Priority to CL2011002192A priority patent/CL2011002192A1/es
Priority to EP20110180410 priority patent/EP2428255A1/en
Priority to KR1020110090632A priority patent/KR20120026003A/ko
Priority to MX2011009407A priority patent/MX2011009407A/es
Publication of US20120058867A1 publication Critical patent/US20120058867A1/en
Priority to JP2013055536A priority patent/JP5610496B2/ja
Abandoned legal-status Critical Current

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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
    • A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
    • A63B23/0233—Muscles of the back, e.g. by an extension of the body against a resistance, reverse crunch
    • 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
    • A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
    • 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
    • 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
    • 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
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4029—Benches specifically adapted for exercising
    • A63B21/4031—Benches specifically adapted for exercising with parts of the bench moving against a resistance during exercise
    • 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
    • A63B21/40—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
    • A63B21/4047—Pivoting movement
    • 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
    • A63B21/40—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
    • A63B21/4049—Rotational movement
    • 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
    • A63B22/14—Platforms for reciprocating rotating motion about a vertical axis, e.g. axis through the middle of the platform
    • 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
    • A63B22/20—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising
    • 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
    • A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
    • A63B23/0205—Abdomen
    • 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
    • A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
    • A63B23/0205—Abdomen
    • A63B23/0211—Abdomen moving torso with immobilized lower limbs
    • 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
    • A63B2023/003—Exercising apparatus specially adapted for particular parts of the body by torsion of the body part around its longitudinal axis
    • 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
    • A63B21/026—Bars; Tubes; Leaf springs
    • 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
    • A63B21/0435—One or both ends being anchored to a rotating element
    • 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
    • A63B22/0087—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with a seat or torso support moving during the exercise, e.g. reformers
    • 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
    • A63B2208/0238—Sitting on the buttocks with stretched legs, like on a bed
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2210/00—Space saving
    • A63B2210/50—Size reducing arrangements for stowing or transport

Definitions

  • the present invention relates generally to the field of exercise devices, and in particular, to a new and useful abdominal exerciser with a seat and a back supporting structure.
  • U.S. Pat. No. 7,381,171 and D581,471 which are both incorporated here by reference, disclose an abdominal exerciser co-invented by the inventors of the subject application. While effective for exercising the muscles of the stomach and back, the subject application discloses improvements that have been discovered as a result of use and understanding of the dynamics of the inventors' previous device.
  • An object of the invention is to provide an abdominal exerciser that has a base frame, a back frame pivotally mounted near a rear end of the base frame for movement between upright and recumbent positions, at least one back cushion connected to the back frame for supporting a user's back, a seat frame mounted for rotation on the base frame and a seat cushion fixed to the seat frame on which a user sits.
  • a low friction journal bushing with a journal post rotatably mounted therein, is operatively connected between the base and seat frames for supporting the weight of the user.
  • the bushing and post are about 30% to about 42% of the distance from a rear end of the seat cushion to the front end of the seat cushion so that the user's coccyx is substantially vertically aligned with the bushing and post when the user sits on the seat cushion and his or her back is resting against the back cushion.
  • Arms at each side of the base frame have a pair of extensions connected to either the base or seat frame.
  • Each arm has a U-shaped handhold lying in a plane extending at an acute angle of about 30 to about 80 degrees to the horizontal plane.
  • a pair of pulleys is mounted for rotation near a rear end of the base frame and engages springs with resilient sleeves thereover, the springs being connected between the base and back frames for biasing the back frame toward the upright position.
  • a further object of the invention is to provide an abdominal exercise device that comprises: a base frame for lying in a horizontal plane on the floor, the base frame having a pair of side members and a cross member connected between the side members of the base frame; a back frame having a pair of side members pivotally mounted near respective rear ends of the respective side members of the base frame for movement between a forward upright position and a rearward recumbent position; a plurality of back cushions connected between and spaced along the side members of the back frame; an H-shaped seat frame having front and rear members and a cross member connected between the front and rear members; a seat cushion fixed to the seat frame and resting on the front, rear and cross members of the seat frame, the seat cushion having a front end and a rear end; a low friction journal bushing having a vertically extending bore and being connected to the cross member of one of the base and seat frames; a journal post connected to the cross member of the other of the base and seat frames and received for rotation in the low friction journal bushing so that the seat cushion may rotate with respect
  • FIG. 1 is a side, front, top perspective view of an abdominal exercise device embodying the present invention, in an upright forward and ready position awaiting use by a user for exercising the user's abdominal and back muscles;
  • FIG. 2 is a view of the device similar to FIG. 1 but with the back frame and cushions moved from an upright forward position toward a rearward recumbent position for exercising the back muscles of a user (not shown) sitting on the device;
  • FIG. 3 is a view of the device similar to FIG. 2 with the back frame and cushions moved toward the recumbent position and with a seat frame and cushion of the device rotated to an extreme left position for further exercising the side muscles of the users abdomen;
  • FIG. 4 is a view of the device similar to FIG. 3 but with the seat frame and cushion rotated to an extreme right position for further exercising the side muscles of the users abdomen;
  • FIG. 5 is a front elevational and slightly perspective view of the device for illustrating the non-perpendicular, angled extension of U-shaded handholds of arms of the device, for improved room on the seat cushion and improved access to the handholds;
  • FIG. 6 is a side elevational and slightly perspective view of the device showing a user sitting on the seat cushion to illustrate the location of a low friction, weight-bearing journal of the device and its vertical alignment with the base of the user's spine;
  • FIG. 7 is a top plan view of the device that better illustrates the position of the journal with respect to front and rear ends of the seat cushion;
  • FIG. 8 is an exploded perspective view of the abdominal exercise device of the invention.
  • FIG. 9 is a top perspective view of an alternate embodiment of the device with the arms fixed to the seat frame rather than to the base frame;
  • FIG. 10 is an enlarged side elevational view of a locking pin for holding the seat frame in a non-rotatable position of the base frame;
  • FIG. 11 is an enlarged, exploded, sectional view of the journal area of the device.
  • FIG. 12 is a partial, rear, perspective view of a further embodiment of the invention with tandem pulleys and resilient sleeve covered springs for each side of the base and back frames plus a safety band for covering the pulleys and springs.
  • FIGS. 1 and 8 illustrate an abdominal exercise device 10 that comprises a base frame 12 for lying in a horizontal plane on the floor, the base frame having a pair of side members 12 a and 12 b and a cross member 12 c connected, e.g. by welding, between the side members of the base frame.
  • a back frame 14 having a pair of side members 14 a and 14 b is pivotally mounted on a pair of ears 13 at the top of, and near respective rear ends of the side members 12 a and 12 b of the base frame for movement between a forward upright position shown in FIG.
  • a bolt 15 extends through aligned holes in the pair of ears 13 on each side of base frame 12 , to hold back frame side members 14 a , 14 b to the base frame, and to form the axle for one or two pulleys 60 mounted for rotation to each side of the base frame 12 .
  • a plurality of back cushions 20 are connected between and spaced along the side members 14 a and 14 b of the back frame 14 . The lowest roller cushion 20 is mounted for rotation on the same axis on which the opposite bolts 15 extend.
  • An H-shaped seat frame 16 having front and rear members 16 a and 16 b has a cross member 16 c that is connected, e.g. by welding, between the front and rear members.
  • a padded seat cushion 30 is fixed to the seat frame 16 and resting on the front, rear and cross members of the seat frame.
  • the seat cushion has a front end 30 a and a rear end 30 b.
  • a low friction journal bushing 40 shown also in FIG. 11 , is made for example from low friction nylon, has a vertically extending bore 40 a and is fixed to the cross member 12 c , e.g. by extending through a bore in the cross member and by having a small lower flange ring 40 a and a large upper flange ring 40 b .
  • the upper flange ring 40 b has a broad flat upper annular bearing surface.
  • a journal post 42 is connected, e.g. by welding, to the cross member 16 c of the seat frame 16 and is received for rotation in the low friction journal bushing bore 40 a so that the seat cushion 30 may rotate with respect to the base frame 12 .
  • the rotation journal for the seat frame 16 and its cushion 30 Because of this important placement of the rotation journal for the seat frame 16 and its cushion 30 , when a user 100 is sitting on the seat cushion 30 with the user's back against the back cushions 20 , the user's coccyx at the lower end of his or her spine 102 , is substantially vertically aligned with the low friction journal bushing 40 and journal post 42 received therein, as shown by the arrow X in FIG. 6 . In this way virtually all the user's weight is centered on the upper surface of the bushing flange 40 b so that no other weight bearing mechanism is needed for allowing free and easy rotation of the seat cushion 30 on the base frame 12 .
  • the dimension of distant C is about 4 inches for a total front to back dimension B of about 11 inches for seat cushion 30 .
  • An arm 50 is also provided at each side of the base frame 12 , each arm having a pair of extensions 50 a and 50 b that are detachably connected to side tubes 12 d and 12 e extending from the side members 12 a and 12 b of base frame 12 .
  • the side tubes 12 e are circular cross sectioned metal tubes welded to the outside surfaces of side member 12 a and 12 b
  • side tubes 12 d are actually the sideways opposite extensions of a front member, circular cross sectioned metal tube of base frame 12 , welded to and across the front ends of the side members 12 a and 12 b.
  • Each arm 50 includes a U-shaped handhold 50 c best shown in FIG. 5 , to lie in a plane that extends at an acute angle A of about 30 degrees to about 80 degrees to the horizontal plane with the handholds 50 c of the arms 50 on opposite sides of the base frame extending outwardly from each other for increasing available room for a user sitting on the seat cushion 30 , and provided better access to the handholds by the user's hands.
  • the even more preferred range of angle A is about 50 to 70 degrees.
  • Detachable connection of the arms 50 to the base frame 12 is achieved by having the round cross sectioned tubes making arm extensions 50 a and 50 b , smaller in diameter than the round cross sectioned tubes making base frame extensions 12 d and 12 e , so that the arm tubes fit inside the base frame tubes.
  • Locking of the arms 50 in position on opposite sides of base frame 12 is achieved by a pair of outwardly spring-loaded hemispheres 50 d near the inside ends of front extensions 50 a , that snap into opposite holes 12 h near the end of the base frame extensions 12 d . No separated locking is needed for the rear extensions 50 b.
  • the arms 50 are fixed to the base frame 12 and the user can hold the arms at the handholds 50 c to help rotate the user's waist and thus rotate the seat cushion 30 on the base frame while cycling the back frame 14 between the upright and recumbent positions to target the side muscles of the user's abdomen.
  • arm extensions 50 a and 50 b are detachably connected to the opposite tubular ends of the front and rear members 16 a , 16 b of the seat frame 16 , so that the arms 50 rotate with the seat cushion 30 for a different set of exercise dynamics.
  • the rear seat frame member 16 b has one tubular end 16 d that projects beyond the seat cushion 30 and has a vertical locking hole that aligns with a vertical locking hole 12 j that is in the rear arm extension 50 b but may alternatively be in the rear base frame extension 12 in the embodiment of FIG. 8 , but especially when the arms are connected to the seat frame in the embodiment of FIG. 9 .
  • a locking pin 70 having a shaft 70 a and a ball handle 70 b has its shaft 70 a inserted into the aligned locking holes to lock the seat frame in place. As best shown in FIG.
  • an annular groove 70 c near the top end of shaft 70 a resists accidental withdrawal of the locking pin 70 as the user exercises by catching the sheet metal material of the hollow tubes making up the seat and base frames at the locking holes.
  • the pin 70 is randomly cause to fall back into its locked position rather than being pushed out of the locking holes during an exercise session.
  • the seat cushion 30 can be rotated to the left and right as the user rotates his or her waist for enhancing the exercise routine.
  • a tension spring 80 has an eye 84 at one end engaged onto a spring post 14 c extending from the back frame side member 14 a , and an eye 85 on its opposite end engaged onto a spring post 12 f extending from the base frame side member 12 a , for biasing the back frame 14 toward the forward upright position shown in FIGS. 1 and 8 .
  • Threaded knobs 86 are screwed onto the threaded ends of spring posts 14 c and 12 f to secure the springs 80 on place.
  • a resilient, e.g. foam rubber sleeve 82 covers each spring 80 and each resilient sleeve-covered spring is engaged with the groove of one of the pulleys 60 .
  • FIG. 12 Another embodiment of the invention is shown in FIG. 12 where a pair of tandem pulleys 60 , 60 mounted for rotation on a longer bold 15 at each side of the base frame and tension springs 80 connected between the base frame and the back frame side members each with a resilient sleeve 82 covering each spring, is engaged with each pulley 60 for biasing the back frame toward the forward upright position with twice the strength. This adds more resistance to each back movement toward the recumbent position for a stronger workout.
  • the tandem pulleys can be used with the prior abdominal exercisers of U.S. Pat. No. 7,381,171 and D581,471, or with the improvements of FIGS. 1-11 . As also shown in FIG.
  • an elastic fabric band 90 that has a width that is wide enough to cover the single pulley 60 or the double pulleys 60 , 60 , and a circumference that is slightly less than the path around the pulleys 60 , the spring posts and the springs 80 with covering sleeves 82 .
  • the band 90 is stretched over the pulleys and engaged sleeve-covered springs, and is held in place by one or a pair of hook-and-loop covered straps 92 that are threaded behind the one or two springs 80 , at locations over and, if two straps are use, under the area of engagement between the sleeves 82 and the grooves of the pulleys 60 , and then back over the band until the straps are engage to themselves at their bases, and held in place be the hook-and-loop action on there touching surfaces.
  • the use of these elastic bands 90 serve two purposes. Firstly, they are a safety measure in case any part of the springs or their attachments break, to keep all parts confined inside the elastic band so nothing flies away for the device. Secondly the elastic bands reduce or muffle any noise created by the springs and pulleys as the device is cycled between upright and recumbent positions during an exercise cession.

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  • Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Neurology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Rehabilitation Tools (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
US12/877,321 2010-09-08 2010-09-08 Abdominal exerciser with rotatable seat and tandem pulley features Abandoned US20120058867A1 (en)

Priority Applications (18)

Application Number Priority Date Filing Date Title
US12/877,321 US20120058867A1 (en) 2010-09-08 2010-09-08 Abdominal exerciser with rotatable seat and tandem pulley features
CA2721497A CA2721497C (en) 2010-09-08 2010-11-16 Improved abdominal exerciser with rotatable seat and tandem pulley features
CN2011200627823U CN202122798U (zh) 2010-09-08 2011-03-10 具有可旋转座椅和串联滑轮特征的改进的腹部运动设备
RU2011135473/12A RU2484871C2 (ru) 2010-09-08 2011-08-25 Брюшной тренажер с вращающимся сиденьем
NZ603636A NZ603636A (en) 2010-09-08 2011-08-30 Improved abdominal exerciser with rotatable seat and tandem pulley features
PCT/US2011/049674 WO2012033671A1 (en) 2010-09-08 2011-08-30 Improved abdominal exerciser with rotatable seat and tandem pulley features
AU2011218709A AU2011218709A1 (en) 2010-09-08 2011-09-01 Improved abdominal exerciser with rotatable seat and tandem pulley features
PH12011000287A PH12011000287A1 (en) 2010-09-08 2011-09-01 Improved abdominal exerciser with rotatale seat and tandem pulley features
CO11112944A CO6640055A1 (es) 2010-09-08 2011-09-02 Ejercitador para abdominales mejorado con asiento giratorio y poleas en tandem
ARP110103239A AR082898A1 (es) 2010-09-08 2011-09-05 Aparato para realizar ejercicios abdominales
CL2011002192A CL2011002192A1 (es) 2010-09-08 2011-09-06 Aparato para ejercicios abdominales que comprende bastidores de base y dorsal, cojines dorsales, un cojin fijo a un bastidor de asiento en forma de h, un cojinete de muñon de baja friccion, un poste de cojinete, un brazo con agarradera y una polea a cada lado del bastidor de base, y resortes tensores con recubrimiento flexible
BRPI1106010-7A BRPI1106010A2 (pt) 2010-09-08 2011-09-06 Exercitador abdominal aperfeiçoado com assento rotativo e polias com características tandem
JP2011194293A JP5270733B2 (ja) 2010-09-08 2011-09-06 回転するシートおよびタンデムに配置されたプーリー機構を有する改良された腹部運動装置
HK11109418.2A HK1153347A2 (en) 2010-09-08 2011-09-06 Improved abdominal exerciser with rotatable seat and tandem pulley features
EP20110180410 EP2428255A1 (en) 2010-09-08 2011-09-07 Improved abdominal exerciser with rotatable seat and tandem pulley features
KR1020110090632A KR20120026003A (ko) 2010-09-08 2011-09-07 회전 가능한 시트 및 종렬 풀리 특성을 갖는 개선된 복근 운동기
MX2011009407A MX2011009407A (es) 2010-09-08 2011-09-08 Aparato mejorado para ejercicio abdominal con asiento giratorio y funciones de poleas en tandem.
JP2013055536A JP5610496B2 (ja) 2010-09-08 2013-03-18 回転するシートおよびタンデムに配置されたプーリー機構を有する改良された腹部運動装置

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AR (1) AR082898A1 (ko)
AU (1) AU2011218709A1 (ko)
BR (1) BRPI1106010A2 (ko)
CA (1) CA2721497C (ko)
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CO (1) CO6640055A1 (ko)
HK (1) HK1153347A2 (ko)
MX (1) MX2011009407A (ko)
NZ (1) NZ603636A (ko)
PH (1) PH12011000287A1 (ko)
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US20130281272A1 (en) * 2012-04-20 2013-10-24 Daniel Alan Payne Core exerciser
US20140274618A1 (en) * 2013-03-12 2014-09-18 Wei-Teh Ho Abdomen exercise machine
US20140274617A1 (en) * 2013-03-12 2014-09-18 Wei-Teh Ho Abdomen exercise machine
WO2015057526A1 (en) * 2013-10-15 2015-04-23 Nabile Lalaoua Abdominal rocking exercise apparatus
US9101792B2 (en) 2013-03-12 2015-08-11 Wei-Teh Ho Abdomen exercise machine
WO2017046786A1 (en) * 2015-09-14 2017-03-23 Nabile Lalaoua Pivoting abdominal exercise machine
JP2017070321A (ja) * 2015-10-05 2017-04-13 株式会社 ｉ ｐｌｕｓ 運動補助器具
CN107670233A (zh) * 2017-10-26 2018-02-09 泰州康倍力体育用品有限公司 一种新型多功能美腰机
US20180339181A1 (en) * 2016-03-24 2018-11-29 Evan Mark Weisz Exercise Chair Utilizing An Adjustable Resistance Band System
USD843519S1 (en) * 2016-06-20 2019-03-19 Nabile Lalaoua Collapsible exercise chair
US10583322B2 (en) 2015-09-14 2020-03-10 Nabile Lalaoua Pivoting abdominal exercise machine
US20220143455A1 (en) * 2020-11-12 2022-05-12 Proteus Motion Inc. Exercise Handle

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JP6816259B2 (ja) * 2017-03-30 2021-01-20 株式会社Ｆｕｊｉ 介助装置
JP6898507B2 (ja) * 2017-03-30 2021-07-07 株式会社Ｆｕｊｉ 介助装置
CN108926808A (zh) * 2018-07-07 2018-12-04 安徽信息工程学院 一种腹肌练习器
CN111672052B (zh) * 2020-06-17 2021-09-07 山东交通学院 一种体育臂力训练器

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Cited By (16)

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Publication number Priority date Publication date Assignee Title
US20130281272A1 (en) * 2012-04-20 2013-10-24 Daniel Alan Payne Core exerciser
US20140274618A1 (en) * 2013-03-12 2014-09-18 Wei-Teh Ho Abdomen exercise machine
US20140274617A1 (en) * 2013-03-12 2014-09-18 Wei-Teh Ho Abdomen exercise machine
US9101792B2 (en) 2013-03-12 2015-08-11 Wei-Teh Ho Abdomen exercise machine
US9126073B2 (en) * 2013-03-12 2015-09-08 Wei-Teh Ho Abdomen exercise machine
US9168416B2 (en) * 2013-03-12 2015-10-27 Wei-Teh Ho Abdomen exercise machine
WO2015057526A1 (en) * 2013-10-15 2015-04-23 Nabile Lalaoua Abdominal rocking exercise apparatus
US10583322B2 (en) 2015-09-14 2020-03-10 Nabile Lalaoua Pivoting abdominal exercise machine
WO2017046786A1 (en) * 2015-09-14 2017-03-23 Nabile Lalaoua Pivoting abdominal exercise machine
JP2017070321A (ja) * 2015-10-05 2017-04-13 株式会社 ｉ ｐｌｕｓ 運動補助器具
US20180339181A1 (en) * 2016-03-24 2018-11-29 Evan Mark Weisz Exercise Chair Utilizing An Adjustable Resistance Band System
US11583719B2 (en) * 2016-03-24 2023-02-21 Evan Mark Weisz Exercise chair utilizing an adjustable resistance band system
USD843519S1 (en) * 2016-06-20 2019-03-19 Nabile Lalaoua Collapsible exercise chair
CN107670233A (zh) * 2017-10-26 2018-02-09 泰州康倍力体育用品有限公司 一种新型多功能美腰机
US20220143455A1 (en) * 2020-11-12 2022-05-12 Proteus Motion Inc. Exercise Handle
US11779799B2 (en) * 2020-11-12 2023-10-10 Proteus Motion Inc. Exercise handle

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CA2721497A1 (en) 2012-03-08
CN202122798U (zh) 2012-01-25
CA2721497C (en) 2014-11-18
EP2428255A1 (en) 2012-03-14
RU2484871C2 (ru) 2013-06-20
NZ603636A (en) 2013-10-25
AU2011218709A1 (en) 2012-03-22
RU2011135473A (ru) 2013-03-10
BRPI1106010A2 (pt) 2015-07-07
AR082898A1 (es) 2013-01-16
WO2012033671A1 (en) 2012-03-15
PH12011000287A1 (en) 2016-04-04
MX2011009407A (es) 2012-03-22
JP5610496B2 (ja) 2014-10-22
CL2011002192A1 (es) 2012-07-13
CO6640055A1 (es) 2013-03-22
JP2012066071A (ja) 2012-04-05
JP5270733B2 (ja) 2013-08-21
HK1153347A2 (en) 2012-03-23
JP2013138903A (ja) 2013-07-18
KR20120026003A (ko) 2012-03-16

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