Source: http://www.google.com/patents/US4515363?dq=5,664,133
Timestamp: 2016-05-05 06:04:44
Document Index: 789539399

Matched Legal Cases: ['art 32', 'art 31', 'art 31', 'art 32', 'art 32', 'art 31', 'art 31', 'arts 31']

Patent US4515363 - Weight lifting exerciser - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsAn exercising machine for especially training the muscles of the leg includes a base on which a pair of support tables is rotatably carried, one for each foot, a vertical standard on the base adapted to provide fixed hand grips for a standing user or a seat for a sitting user, and a pair of resistance...http://www.google.com/patents/US4515363?utm_source=gb-gplus-sharePatent US4515363 - Weight lifting exerciserAdvanced Patent SearchPublication numberUS4515363 APublication typeGrantApplication numberUS 06/356,635Publication dateMay 7, 1985Filing dateMar 10, 1982Priority dateMar 10, 1982Fee statusLapsedPublication number06356635, 356635, US 4515363 A, US 4515363A, US-A-4515363, US4515363 A, US4515363AInventorsJohn J. SchleffendorfOriginal AssigneeSchleffendorf John JExport CitationBiBTeX, EndNote, RefManPatent Citations (9), Non-Patent Citations (2), Referenced by (35), Classifications (18), Legal Events (5) External Links: USPTO, USPTO Assignment, EspacenetWeight lifting exerciser
US 4515363 AAbstract
1. An exercising machine, comprising:(a) a base; (b) a pair of support tables rotatably carried on said base, and each adapted to support a single human foot, respectively; (c) a vertical standard supported on said base and having means at its upper end for transmitting a reactive force to the human body, said transmitting means including a seat at its upper end secured to a post telescopically and releasably engaging said vertical standard, said post being lockable thereto at a plurality of heights, and said standard being disposed at a common lateral side of said support tables; and (d) a pair of resistance means supported on said base and respectively independently connected to said support tables for providing a reactive rotary force to support table rotation as each table is moved out of a neutral position. 2. An exercising machine, comprising:(a) a base; (b) a pair of support tables rotatably carried on said base, and each adapted to support a single human foot, respectively; (c) a vertical standard supported on said base and having means at its upper end for transmitting a reactive force to the human body, said standard being disposed at a common lateral side of said support tables; and (d) a pair of resistance means supported on said base and respectively independently connected to said support tables for providing a reactive rotary force to support table rotation as each table is moved out of a neutral positon, said resistance means comprising(1) a cable secured at one end to one of said support tables and engageable with an outer periphery thereof as said support table is moved out of the neutral position, said cable extending therefrom horizontally, said one end of said cable extending through an aperture in said outer periphery, and also through a ball secured to said one end, said ball being larger than said aperture and providing a pivotal connection between said one end and said table, (2) a first pulley on said base directing said cable from the horizontal to a vertical direction; (3) a second pulley disposed above on said base for reversing the vertical direction of the cable; and (4) weight means for resisting rotation of said support tables, said weight means being secured to the other end of said cable. 3. An exercising machine, comprising:(a) a base, including a pair of hollow vertical columns forming a part thereof; (b) a pair of support tables rotatably carried on said base, and each adapted to support a single human foot, respectively; (c) a vertical standard supported on said base and having means at its upper end for transmitting a reactive force to each the human body, said standard being disposed at a common lateral side of said support tables; (d) a pair of resistance means supported on said base and respectively independently connected to said support tables for providing a reactive rotary force to support table rotation as each table is moved out of a neutral position, each said resistance means comprising: (e) a cable secured at one end to each said support table and engageable with an outer periphery thereof as said support table is moved out of the neutral position, said cable extending therefrom horizontally; (f) a first pulley on said base directing said cable from the horizonal to a vertical direction; (g) a second pulley disposed thereabove on said base reversing the vertical direction of each cable, each of said second pulleys being respectively supported at the upper ends of said pair of hollow vertical columns, and directing said cables downwardly therein; and (h) weight means secured to the other end of each said cable, said weight means including a pair of elongated plugs respectively disposed in said hollow columns and connected to said other ends of said cables, said weight means further including a number of individual weights embracing said hollow column; and (i) a connector joining one individual weight to one of said elongated plugs and extending through a vertical slot in said hollow column. 4. An exercising machine according to claim 3, each of said elongated plugs extending through other of said weights disposed below said one weight, and a connecting pin for being received in said slot means and in aligned apertures in said elongated plug and a selected one of said other weights.
As best seen in FIG. 5, the base portion 33 is apertured and receives and supports a bearing insert 40, an inner cylindrical surface of which is normally lubricated with oil, there being a cap 41 secured to the lower end of the bearing insert 40 to retain it in place and to prevent any leakage of oil. The presence of the end cap or oil seal or retainer 41 also necessitates the use of a number of pads 42 at the corners of the base 16. The lower table part 32 has a hollow cylindrical bearing 43 secured thereto which is received in and guided by the bearing insert 40. An annular bearing 44 surrounds the upper end of the tubular bearing 43 and provides thrust reaction or support between flanges on the bearing insert and on the tubular bearing. The upper table part 31 has a guide pin 47 secured thereto which functions as a pilot and enables the upper table part 31 to be rotated with respect to the lower table part 32 when it is lifted as shown in FIG. 5 so that a locating pin 45 is retracted from one of a series of holes 46. With this arrangement, the upper table part can be raised slightly, rotated to a selected new position, and the locating pin be reengaged with a different one of the holes 46, there being a continuous series of such holes as shown in FIG. 7. An identifying indicia is placed on the upper surface of the lower part 32 adjacent to each hole 46, diametrically opposite holes 46 having the same indicia. The upper table part 31 is covered with a non-skid material 48, and in addition, has a U-shaped foot guide 49 secured thereto, the same being lined by a strip of cushioning material 50. The U-shaped foot guide is specifically shaped to accept primarily soft rubber soled sports or exercise shoes of the widest wariety of lengths and widths, and is shaped so that only a slight lateral rotary motion of the foot, at the beginning of an exercise movement, will cause the foot to lock against either inside face of the U-shaped foot guide. The U-shaped guides 49 are a preferred feature by which each support table is adapted to support a single human foot, a circumstance that applies to the exercises described below. Should a user wish to use the machine in a less preferred mode, the U-shaped guide can be readily detached as a set of mounting screws 51 can be manually removed. The upper table 31 has a viewing window or slot 52 through which one of the indicia 53 on the lower table part may be viewed, it being the one associated with the hole in which the location pin 45 is disposed. The upper part 31 also has a set of indicia 54, similar identification being provided at similar distances at either side of the viewing slot or window 52. The indicia 54 cooperate with suitable indicia such as 55 (FIG. 2) for indicating to the user how far a particular support table has been moved from a neutral or starting position, either clockwise or counterclockwise. In each of the views, the U-shaped guides 49 are directed to open toward the vertical standard 17 for use with the transmitting means 21. When the transmitting means 26 are employed, then the upper parts 31 of the support tables are raised and turned 180� from as shown in FIG. 5 so that the U-shaped guides are directed away from or open away from the vertical standard 17. Thus in any event, the transmitting means is always at a common lateral side to the support tables 29, 30. Thus the starting or neutral point for the U-shaped guides is adjustable for 360� in relatively small increments, namely 10� increments in this illustrated embodiment.
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