Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7993244 | Cushioning device and spring floor system incorporating same A floor system (20) includes a plurality of cushioning devices (22) attached to a lower side (40) of a wood floor (32). Each cushioning device (22) includes a spring (46) that may be attached at each of its ends to first and... | 08/09/2011 |
| 7357728 | Human free-fall slide A slide and process of using the slide for humans' amusement, recreation and entertainment. The slide is an inflatable apparatus comprising a slide device and an airbag device. The slide device is an inflatable bag having a slide segment. The airbag device has a bot... | 04/15/2008 |
| 7131934 | Impact absorbing exercise platform In a basic configuration, the present system includes an adjustable top portion or platform, one or more lower portions or risers and one or more resilient members placed between the riser and the platform. Preferably the resilient members have a sufficient height t... | 11/07/2006 |
| 7104939 | Apparatus for back therapy and multiple exercises A freestanding back therapy and multiple exercise station on which various therapeutic, stretching, bending, twisting, extension and inversion exercises may be carried out utilizing the user's weight for fully flexing and decompressing the spine and strengthening th... | 09/12/2006 |
| 7070540 | Athlete training device The present invention is an athlete training device and method useful in training athletes for track and field events including the high jump, pole vault, discus, long jump and shot put. The ramp may be adjusted to a number of discrete ramp angles with the use of ei... | 07/04/2006 |
| 7044900 | Exercise apparatus An exercise apparatus comprising a frame, and at least one elongated sheet of flexible material has a first end coupled to the frame and has a second free end positioned frontwardly relative to the frame. The sheet of flexible material has an upwardly facing support... | 05/16/2006 |
| 7032972 | Resilient seating structure A seating structure 30 includes spaced housings 34 and 36 between which a seating portion 92 of a platform 60 is located. The platform 60 is also formed with non-seating portions 94a and 94b at op... | 04/25/2006 |
| 7021610 | Ring shaped spring device A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about... | 04/04/2006 |
| 6945919 | Balance-exercising semi-spherical apparatus A balance-exercising semi-spherical apparatus has an annular frame and a fixing ring sequentially fixed on a base disk; the base disk is connected on two diametrically mutually opposite ends thereof with two movable pulling ropes, and has thereon a hole for connecti... | 09/20/2005 |
| 6920652 | Top for starting platform for swimming pool A top for a starting platform at one end of a swimming pool has an upper surface, which is adapted to support both feet of a swimmer in a starting position, and a lower surface, at which the top is mountable so that the upper surface slants downwardly and frontwardl... | 07/26/2005 |
| 6598365 | Impact and energy absorbing product for floors, walls, and other flat surfaces An impact and energy absorbing product for floors, walls, panels, crash mats and other flat surfaces. More particularly, the invention teaches the usage of coiled springs in conjunction with polymeric materials or metals such as titanium or steel, to help... | 07/29/2003 |
| 6523188 | Top for starting platform for swimming pool A top for a starting platform at one end of a swimming pool has an upper surface, which is adapted to support both feet of a swimmer in a starting position, and a lower surface, at which the top is mountable so that the upper surface slants downwardly and... | 02/25/2003 |
| 6280367 | Ball return apparatus for exercising abdominal muscles The present invention 10 discloses an exercise device wherein a user 12 exercises the abdominal muscles by throwing a ball 14 against a net system 20, 40, 42. The user 12 places his head 34 and back 32 on a pivotable platform 18 and his buttocks 30 and fe... | 08/28/2001 |
| 5916031 | Diving platform cover This invention is a slip resistant diving platform cover that can be easily installed or removed from a diving platform. The cover has a top mat laying in contact and covering a top plate of the diving platform, a front mat laying adjacent to a front plat... | 06/29/1999 |
| 5853352 | Reduced vertical impact exercise platform A reduced vertical impact exercise platform is provided having a frame structure which, at least in part, encloses a platform assembly comprised of a plurality of distinct layers including a durable, resilient outer contact layer; a resilient padding laye... | 12/29/1998 |
| 5565003 | Tumbling strip assembly A tumbling strip including a plurality of panels, each panel having a channel defined along a centerline thereof. The plurality of panels are arranged such that the channels in each of a pair of adjacent panels are aligned with one another. A plurality of... | 10/15/1996 |
| 5562575 | Recoiling exercise bench An adjustable, recoiling aerobic exercise bench which reduces the generation and transmission of impaction forces on a user's joints while performing conventional and power step exercises includes a resilient platform slidingly disposed in left and right ... | 10/08/1996 |
| 5387166 | Recoiling exercise bench An adjustable, recoiling aerobic exercise bench (20) which reduces the generation and transmission of impaction forces on a user's joints while performing conventional and power step exercises including a resilient platform (22) slidingly disposed in a le... | 02/07/1995 |
| 5370591 | Training vaulting board A vaulting board including ramp framing with a pliable bed sheet within the interior confines of the framing and interconnected to the framing by resilient connector means.... | 12/06/1994 |
| 5209709 | Slidable hinge vaulting board A vaulting device for use by a gymnast in vaulting comprising a top member connected to a base member, via a rigid control member and a movable pivot, with a plurality of resilient members positioned between the base member and the top member to bias the ... | 05/11/1993 |
| 5064191 | Gravity force rebound exerciser A static rebound exerciser/rehabilitation device for exercising a person regardless of that persons physical condition. The device includes a jack for vertically positioning a boom interconnected through a translatable cable, spring and hook to a person f... | 11/12/1991 |
| 4846458 | Upper body exercise apparatus An upper body exercise apparatus to assist an exerciser to do chin-ups and dips. The apparatus includes a frame having a base, a platform parallel to the base for the exerciser to stand on, chin-up handles and dip handles extending from the frame, a syste... | 07/11/1989 |
| 4548405 | Treadmill with trampoline-like surface A treadmill includes an endless belt, the uppermost side of which is adapted to form a flat exercising surface. The endless belt is supported at each end of the exercising surface for supporting and allowing the endless belt to move longitudinally. The ed... | 10/22/1985 |
| 4516768 | Exercise device An exercising device including an inflatable flexible toroidal member such as a tire tube, a substantially rigid platform disposed over and supported by the toroidal member, and foot treads positioned on the platform. The exercising device can be used not... | 05/14/1985 |
| 4426076 | Tumbling board and spring assembly A tumbling board construction including a sheet of material of sufficient strength to support a mat or the like, preferably molded of plastic. The sheet has a generally rectangular periphery, an upper face and a lower face, and a plurality of stationary m... | 01/17/1984 |
| 4360197 | Spring assembly for a tumbling board A spring assembly for supporting a tumbling board including a helical spring and a mounting cap formed of a one piece homogeneous resilient material receiving one end of the spring. The mounting cap has a flat base for abutment with the underside of a tum... | 11/23/1982 |
| 4341380 | Body cell therapeutic device A therapeutic device comprising a base, usually resting upon a floor, and a platform, usually located above the base that is maintained rigidly parallel to the base in a horizontal plane throughout up and down cycles. The platform is attached either with ... | 07/27/1982 |
| 4323231 | Jumping board A jumping board which is particularly well-suited to provide a surface on which a person may jump rope. The board comprises a resiliently deformable member of foam material having a pair of oppositely disposed substantially planar surfaces and a periphera... | 04/06/1982 |
| 4199136 | Flexible sheet exercising apparatus An exercising apparatus is similar in its mode of action to a trampoline, and uses a flexible semi-rigid and elongated sheet which may be made of plastic or metal. A frictional pad is provided to avoid slipping as the user bounces on the apparatus. The fl... | 04/22/1980 |
| 4159826 | Pneumatic jogging platform My pneumatically sustained, flexible exercise surface-and-platform, which I call a "Trampol-air," initially designed for foot-ease along with all the benefits of exercising in any jogging-like manner on a flexing-resilient mini-trampoline-like surface, co... | 07/03/1979 |
| 4065124 | High-bounce amusement and exercise air bag An air bag large enough for several children to jump on at one time is equipped with one or more bellows centrally on the top surface providing means for children safely to propel one another for great vertical distances, being assured of cushioning of th... | 12/27/1977 |
| 4018438 | Recreational jouncing apparatus with vertical supports and removable board travel stops An assembable jouncing apparatus having a pair of portable and adjustable stanchions selectively positionable in space relation and operative to support a board therebetween at selective distances from the ground or floor; each stanchion including a board... | 04/19/1977 |
| 3997924 | Swimming pool with auxiliary fracturable floor for breaking fall of diver in unduly rapid descent This invention concerns itself with a swimming pool bottom or floor and an auxiliary floor suprajacent to at least a portion of said bottom or floor wherein the auxiliary floor comprises rigid polymeric foam having a density less than that of water, said ... | 12/21/1976 |
