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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 8152698 | Dual-mode exercise machine A dual-mode exercise machine includes a base, a swivel, two pedals, two impedance elements, a linkage and a pin. The swivel is pivotally connected to the base. The pedals are pivotally connected to the swivel. Each impedance element connects a related pedal to the s... | 04/10/2012 |
| 8062189 | Exercise platform with angled step surfaces An exercise platform system and apparatus is disclosed that includes a plurality of angled step surfaces. In one aspect, the exercise platform can include an exercise platform base adapted to interface with a supporting surface and an exercise platform upper surface... | 11/22/2011 |
| 7976436 | Aero hydraulic exercise and physical therapy equipment and method An air spring is used as a resistance device in exercise equipment having a lever arm for exercising arms and legs. In one embodiment, the equipment can be adapted to be used as a stair stepper. In another, it can be adapted to be used on a table surface for exercis... | 07/12/2011 |
| 7614978 | Stair climbing exercise apparatus with improved bellows An exercise apparatus includes a housing, a pair of pivoting foot treadles and a pair of reciprocating bellows that support the foot treadles. A sealed air system including a conduit interconnects the bellows and is operable for reciprocating transfer of air from be... | 11/10/2009 |
| 7611447 | Leg exercise device A foot and/or leg-exercising device (10) has a first sealed chamber (14) and a second sealed chamber (16) that are interconnected via one or more passageways (34). The chambers (14, 16) are of variable volume and fluid within one c... | 11/03/2009 |
| 7530927 | Stepping exerciser A stepping exerciser includes a base having a pair of inclined pivot axles, a pair of foot pedals having one end rotatably attaching to the inclined pivot axles, to allow the foot pedals to be stepped downwardly and outwardly by a user, and a lever rotatably attache... | 05/12/2009 |
| 7530928 | Stepping exerciser A stepping exerciser includes a bracket, a rack, a pair of pedal holders rotatably mounted to an upper portion of the bracket, a pair of pedal holders rotatably mounted to an upper portion of the bracket, a pair of pedals, a beam pivoting the bracket to an upper por... | 05/12/2009 |
| 7520841 | Foldable aquatic stepper A foldable aquatic stepper includes: a foldable frame device, and a stepping device mounted on the frame device having a pair of paddling pedals reciprocatively and alternatively stepped upon for a smooth aquatic stepping exercise. ... | 04/21/2009 |
| 7465255 | Treadmill for enabling a user to tread and twist Disclosed is a treadmill for enabling a user to tread and twist. The treadmill includes a base, a post extended from the base, a pivotal unit including two inclined axles extended from the post, two treadles each connected to a related one of the inclined axles, two... | 12/16/2008 |
| 7462137 | Twisting device for climbing exercisers A twisting device for a climbing exerciser includes a rotatable member rotatably mounted on a cylindrical tube on the base and the rotatable member includes two flanges so that two connection plates connected with two pedals are respectively connected between the tw... | 12/09/2008 |
| 7387594 | Exercise apparatus with resistance mechanism Exercise apparatus has a pair of members exercising a pair of limbs of a user to alternate between and first and second opposite direction motions, such as a stepper or stair climber, and is provided with a resistance mechanism coupled to the pair of members and hav... | 06/17/2008 |
| 7384378 | Twist pedals for stepping exercisers A stepping exerciser includes two pedals each have a tube connected to an end thereof at an angle and the two respective tubes are rotatably mounted to two inclined tubes on a front post of the exerciser. The two pedals are respectively connected to two cylinders. T... | 06/10/2008 |
| 7341542 | Exercise machine An exercise device providing a fore and aft horizontal component of striding motion that is dynamically user-defined, while providing a vertical component of the motion that is maintained on a predetermined vertically reciprocating path in some embodiments. The exer... | 03/11/2008 |
| 7320599 | Blood pressure simulation apparatus with tactile interface The blood pressure level in humans is a vital health parameter, yet the vast majority of people do not have a physical feeling for what normal and abnormal blood pressure levels mean in relation to the forces exerted on the heart and blood vessels. A blood pressure ... | 01/22/2008 |
| 7316633 | Elliptical exercise machine An exercise machine includes a pair of slide members having front ends connected to a crank unit for turning along with the crank unit and rear ends linearly slidable on a support. A pair of reciprocating members are mounted on the support for reciprocating forward ... | 01/08/2008 |
| 7314432 | Stepping exercise device An exercise machine is disclosed including a base, a pair of pedals pivotally mounted to the base via a pair of pivot arms, a rotating block rotatably coupled to the base, a pair of connectors each connected between one of the pivot arms and the rotating block, and ... | 01/01/2008 |
| 7261675 | Stepping exerciser having actuatable handle A stepping exerciser includes a spindle rotatably supported on a base, a pair of foot pedals rotatably supported on the base and arranged to be moved up and down stepped upon by a user, a coupling device for coupling the foot pedals to the spindle, to drive and to r... | 08/28/2007 |
| 7252624 | Regulating apparatus for a hydraulic cylinder of a treadmill A regulating apparatus for a hydraulic cylinder of a treadmill having a rotating knob with an opening formed at a top end thereof and with a neck formed at a bottom end thereof. The periphery of the neck is marked with a plurality of numbers or with colors from ligh... | 08/07/2007 |
| 7226390 | Exercise methods and apparatus An exercise apparatus has arm driven members and leg driven members which are movably mounted on a frame. In a first mode of operation, the arm driven members are movable relative to the frame and the leg driven members. In a second mode of operation, the arm driven... | 06/05/2007 |
| 7217225 | Suspension system for glider exercise device A glider device includes a pair of swingably mounted foot platforms pivotally supported by links at their heel ends. A spring cage, in one embodiment, includes a tension spring in each link to resiliently support the heel end of the foot platform. The spring cage li... | 05/15/2007 |
| 7198590 | Alpine ski training apparatus A ski training apparatus is provided that simulate movement similar to alpine skiing. A pivoting arm is mounted at the base of the front vertical post and carries a parallelogram linkage assembly, with two flanged wheels mounted on the linkage assembly. A guide swiv... | 04/03/2007 |
| 7198592 | Abdominal exerciser Abdominal exercisers allow a user to perform sit-ups without straining their back. A set of adjustable handles allow the user to use his or her arms and upper body to assist the upward motion of the torso if necessary, thereby reducing back strain. A head and neck c... | 04/03/2007 |
| 7195583 | Posture and exercise seating Seating that provides comfort, facilitates healthful upright posture, has capability for exercise, and facilitates a healthful upright position, comprises a seat having left and right portions for supporting a user's left and right thighs, respectively. A seat suppo... | 03/27/2007 |
| 7195582 | Rock climbing apparatus A rock climbing apparatus including a support stand on which a main body frame is mounted. The main body frame has two lateral columns, several transverse support beams and several longitudinal support columns built between the lateral columns to serve as a support ... | 03/27/2007 |
| 7185741 | System with moving zero step for stairs The present invention discloses an electromechanical traversing step system for transporting elderly users 12, infirm and others between floors of a building. A single moveable step 14 ascends or descends on a set of tracks 16 secured to the wal... | 03/06/2007 |
| 7179211 | Portable exercise device A portable exercise device is provided. The device includes an elastic cord with two ends. Each of the ends of the cord is received into opposite sides of a coupling. A clamp element is provided around a portion of the coupling. The clamp element compresses the coup... | 02/20/2007 |
| 7175567 | Gymnastics springboard with adjustable elasticity designed for training and competition A gymnastics springboard with adjustable elasticity comprising a top board coated with a coating subdivided into two distinct zones enabling the impact zone to be demarcated visually, which presents a homogeneous and flexible structure with a hardness able to be adj... | 02/13/2007 |
| 7160229 | Exercising air footboard and buffer for air footboard Disclosed herein is an exercise step and an air-cushioning leg for the exercise step. The exercise step (1) includes a plate-shaped panel (10), and air-cushioning legs (30). Each of the air-cushioning legs is provided under the panel to support ... | 01/09/2007 |
| 7160231 | Portable exercise device and method of preventing lactic-acid build-up An exercise device comprising a pedal adapted for use with a skate and having a skate engaging portion disposed therewith. ... | 01/09/2007 |
| 7156791 | Yoga grip block Yoga grip blocks having one or more block sections and a grip section that provide support and comfort in the practice of yoga exercises. The invention includes preferred materials to fabricate yoga grip blocks and describes methods of using yoga grip blocks. ... | 01/02/2007 |
| 7156776 | Easy access stepper An apparatus is disclosed for an easy to mount and easy to use exercise machine especially helpful to disabled, convalescing and elderly people. Both foot pedals (148) are at their lowest position to start and are dependent on each other. The lever-arms (1... | 01/02/2007 |
| 7150691 | Lacrosse head with edge protrusions A lacrosse head having protrusions on its top and/or bottom edges, which improve ball control. Preferably, the protrusions on the top edge protrude toward the interior of the lacrosse head and the protrusions on the bottom edge protrude away from the interior of the... | 12/19/2006 |
| 7137928 | Step exerciser A step exerciser has a base, a pedal element pivotally mounted on the base, and having a first female hollow shank pivotally mounted on the base, two pedals mounted on two opposed sides of and pivoted relative to the first female hollow shank, an interconnection ele... | 11/21/2006 |
| 7115073 | Exercise apparatus for simulating skating movement An exercise apparatus used to simulate skating or roller blading movement in a user includes a pair of sleds or shuttles which include a pedal adapted to support the foot of a user standing thereon. The shuttles are movable along a respective guide assembly consisti... | 10/03/2006 |
| 7115079 | Multi-stage adjustable spring resistant belly massager A multi-stage adjustable spring resistant belly massager comprises a belly massaging pad, a push-pull rod, a resistance adjusting mechanism and two handle grips. The belly massaging pad rests on the human belly, the push-pull rod is mounted in a barrel to perform th... | 10/03/2006 |
| 7112161 | Exercise methods and apparatus An exercise apparatus has a force receiving member movably interconnected between a crank and a frame with a degree of freedom for variable length exercise strokes as a function of user applied force. ... | 09/26/2006 |
| 7108637 | Four bar exercise machine An exercise machine for exercising the lower body, the upper body, or both simultaneously. The mechanism consists of a crank, a rocker, a connector link, and a stationary fourth link so arranged as to cause a portion of the connector link to travel about a closed cu... | 09/19/2006 |
| 7108638 | Exercise device An exercise device having dual pedals wherein each pedal operates in a rotary manner in a vertical plane parallel to the bilateral axis of the user with each of the user's feet disposed, respectively, on a different one of the dual pedals. ... | 09/19/2006 |
| 7104928 | Rotating and swinging exerciser A rotating and swinging exerciser includes a base, a housing rotatably attached onto an axle of the base, a frame disposed on the base and having an inclined peripheral surface, and a lever pivotally secured to the housing with a pivot pin and having two foot pedals... | 09/12/2006 |
| 7101317 | Exercise device An exercise device. A body, display, plurality of treads and risers, transmission device, elevating device, handrail, controller, panel, and display provide operation wherein the treads and risers pivot on the transmission device. In a stairclimber orientation, the ... | 09/05/2006 |
