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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
21	Rigid Tensioning Member and Tension Measuring Device for a Towing System for Towing a User on a Support Material	US15013001	2016-02-02	US20160332638A1	2016-11-17	Daniel Kathan; Alan Kathan
A towing system comprises towers arranged relative to a skiing surface; a pulley on each tower; and a motor effecting rotation of at least one pulley. A cable passes along the pulleys and forms a closed loop between the towers. A towing element is coupled to the cable for towing a user along the skiing surface. The towing system features a rigid member extending along its axis from a tower to a support surface spaced from the tower so as to form an angle with the support surface thereby holding the tower upright. The rigid member is arranged to have tension therein along its axis at the angle with an adjustable length along the axis for tensioning the cable. Also, the rigid member is substantially rigid when its adjustable length is set so as to resist movement of the tower from its set working position. Furthermore, the towing system features a measuring device arranged to measure tensile force in a tensioned member of the towing system for determining tension in the cable.
22	MECHANICAL LIFT VEHICLE AND INSTALLATION COMPRISING THIS VEHICLE	US14776698	2014-03-14	US20160031452A1	2016-02-04	Yves CHEDAL BORNU
The vehicle comprises (1) a suspension (4) presenting an upper end (6) from which is transversely extended a portion (8) of hanging to an aerial carrying and hauling cable (10), and a controller (12), to control a predetermined technical function. Moreover, the vehicle (1) comprises an offset arm (14), extending in a transverse plane, from one side of the upper end (6) opposite to that from which the hanging portion (8) is extended, the offset arm (14) presenting a proximal end arranged at the height of the upper end (6) and a distal end supporting the controller (12), an abutment member (16), and connecting means, connecting the proximal end of the offset arm (14) and the suspension (4), the connecting means enabling displacement of the offset arm (14) in the transverse plane.
23	APPARATUS FOR OVERHEAD CABLE TOWED SPORTS	US13846291	2013-03-18	US20130213255A1	2013-08-22	Christian Von Lerchenfeld
An apparatus for propelling a towed sports participant back and forth one or more times over a surface of land and/or water via a tow line, includes a pair of mutually spaced support structures. An end of the tow line is coupled to a movable carrier mounted to an elevated, reversibly drivable, closed elongated loop having vertically separated upper and lower legs which extend between a pair of mutually-spaced, pulleys which are supported by way of the support structures and mounted for rotation in substantially vertical planes.
24	Snowboarders chair for use on a ski lift	US11761603	2007-06-12	US07775161B2	2010-08-17	Katharine West Parker
The present invention relates to a ski lift chair specifically designed for use by snowboarders. The chair comprises a plurality of seats facing in a perpendicular to the line of travel direction and can be either in-line back to back, in-line front-to-back or a combination of the two. The chair can be mixed on a ski lift with chairs designed for skiers or used alone with only snowboarder chairs.
25	Surfer lift system	US11144342	2005-06-03	US07156714B2	2007-01-02	Kianoush Kian; Max R. Foroudi; Sean F. Anderson
A rider is suspended a distance beneath a lift cable and moved over a region of water with incoming waves. The distance that the rider is suspended beneath the lift cable is controllably increased and, thereafter, the rider enters the water, such as to surf the waves. The rider can control the increase in distance individually, lowering himself or herself at will after spotting a desirable place to enter the water, e.g., just after the crest of an incoming wave. The initial distance, i.e., the distance below the cable before the rider is lowered toward the water, can be set to carry the rider high enough to pass over the crests of the waves. Various other aspects, apparatus, and variations are also disclosed.
26	Rope tow apparatus and method	US866457	1992-04-10	US5193463A	1993-03-16	Jan K. Kunczynski
A rope tow system including a haul rope (23, 23a) extending along a path, haul rope mounting assembly (21, 22) mounting the haul rope (23, 23a) for movement in spaced relation above the tow path. Haul rope driving assembly (31, 32) is coupled to the haul rope for advancement thereof, and a plurality of hanger arms (42, 42a) are coupled to the haul rope and depend downwardly therefrom. Each hanger arm (42, 42a) is mounted to the haul rope (23, 23a) by a mounting assembly (43, 43a) substantially preventing rearward deflection of the hanger arms (42, 42a) relative to the haul rope (23, 23a). Finally, a user-grippable tow rope (41, 41a) is coupled to each of the hanger arms (42, 42a) for movement therewith. The tow rope (41, 41a) is secured to the hanger arms (42, 42a) in positions below the haul rope (23, 23a) and at a height above the snow surface (29) suitable for gripping by skiers while being towed along the tow path. A method of providing a tow rope system and a method of supporting a tow rope for advancement in the system.
27	Portable ski tow hoist	US790760	1977-04-25	US4098196A	1978-07-04	Clyde R. Weihe, Jr.
A rope tow for use on a ski slope. Rollers are rotatably mounted one above the other on a fixed frame; the bearing surfaces are in frictional engagement. One of the bearing surfaces has a plurality of ridges. A knotted endless rope is passed through the engaged surfaces. The ridges clamp the rope as it passes therethrough to prevent slippage.
28	High capacity passenger transport apparatus	US617437	1975-09-29	US4050385A	1977-09-27	Robert H. Gurr; Roger E. Broggie
There is disclosed a high capacity passenger transport apparatus which may be employed as a ski lift including a high speed main cable ascending up a ski run and driven at high speeds. A pair of first and second shuttle tracks lead from the downhill run of such cable at the bottom station and separate to pass through respective first and second loading areas and then merge back together at the uphill run of the high speed cable. Chair trucks are carried on the main cable and include releasable grippers gripping such cables and are intercepted at the end of their downhill travel by escort cars which decelerate such trucks and escort them past a selector switch to direct alternate ones thereof onto the respective first and second shuttle tracks and then to a stopped position at the loading area so skiers can be loaded thereonto. The escort cars are then accelerated to accelerate such trucks along the respective shuttle tracks to be fed alternately onto the uphill run of such cable at a speed synchronized with the speed of such cable to grip such cable and be carried rapidly therealong for deposit at the uphill station. If desirable, the uphill station may likewise include first and second unloading shuttle tracks for receiving alternate trucks for deceleration to a stop at respective separate first and second unloading areas and then re-acceleration for deposit on the downhill run of the high speed cable. Further, the chairs themselves are preferably formed with back walls which pivot away carrying the seats therewith to clear a skier's path from the rear of such chairs so the skier may approach the chairs from the rear and after positioning relative to such chairs, the back walls and seats carried thereon pivoted back into position so the skier may be seated for conveyance up the ski run.
29	A device for pulling skiers	US24807872	1972-04-27	US3874303A	1975-04-01	ANDREN KJELIB
A device for use as a ski-lift having a driven endless belt to be mounted close to the ground and up a skiing hill and supported by rollers therealong and at each end with one end roller being adjustably supported and also having means resiliently connected to said endless belt and capable of being held between the knees or by the hand of a skier whereby skiers can be pulled up said hill.
30	Guide device for the haulage attachments of a ski-lift or similar device	US36573773	1973-05-31	US3865044A	1975-02-11	BANCEL GUY HENRI
Device for guiding the haulage attachments of an installation for hauling loads by means of a cable over a pulley over which the cable passes, comprising means disposed along the path of the haulage cable, extending from upstream of the pulley, in the normal displacement direction of the cable, to beyond the rotation axis of said pulley, said means comprising wire shaped members which provide at least two support zones with which the attachment is adapted to cooperate in order to be brought eventually with the auxiliary members connected thereto, and whatever the positioning of the assembly, to a position enabling normal passage over the pulley when the cable to which said attachment is connected advances.
31	Ski lift	US86346269	1969-10-03	US3810427A	1974-05-14	PECK T
A ski lift is provided having cars riding in a track up the slope by means of a rope trained about two wheels at opposite ends of the slope. The cars are manually engaged with the rope but are so designed that they may not be manually disengaged from the rope during their upward travel.
32	Towing arrangement having selectively adjustable standards	US3538855D	1968-05-06	US3538855A	1970-11-10	CYR NAPOLEON ST

33	Assembly of track members for ski lifts and the like	US50222265	1965-10-22	US3363583A	1968-01-16	GREENBERG LEONARD E

34	Transport apparatus	US44390665	1965-03-30	US3354835A	1967-11-28	PANNICK ROBERT A; EDMUNDS ROBERT T

35	Speed control for water sking facility	US44935765	1965-03-24	US3261302A	1966-07-19	FORSMAN ARNOLD H

36	Water sking facility	US12666161	1961-07-25	US3190646A	1965-06-22	FORSMAN ARNOLD H

37	Towing systems for use in water-sking or ski-yorring	US76182658	1958-09-18	US3052470A	1962-09-04	JEAN POMAGALSKI

38	APPARATUS FOR GLIDING OVER A BODY OF FLOWING WATER	US15535471	2015-12-14	US20180140959A1	2018-05-24	Simon GARBEN
The present invention relates to an apparatus for gliding over a body of flowing water, in particular for surfing, waterskiing, kiteboarding and/or wakeboarding, having a first buoyancy body. The apparatus is characterized by a second buoyancy body, which can be connected to the first buoyancy body by means of a cable, and by a pulley mechanism, which has the cable running through it and can be connected to a first stationary object, and therefore the first buoyancy body and the second buoyancy body, by means of the pulley mechanism with the cable running through it, can execute movements in substantially opposing directions on the body of flowing water.
39	Rigid tensioning member and tension measuring device for a towing system for towing a user on a support material	US15013001	2016-02-02	US09637139B2	2017-05-02	Daniel Kathan; Alan Kathan
A towing system comprises towers arranged relative to a skiing surface; a pulley on each tower; and a motor effecting rotation of at least one pulley. A cable passes along the pulleys and forms a closed loop between the towers. A towing element is coupled to the cable for towing a user along the skiing surface. The towing system features a rigid member extending along its axis from a tower to a support surface spaced from the tower so as to form an angle with the support surface thereby holding the tower upright. The rigid member is arranged to have tension therein along its axis at the angle with an adjustable length along the axis for tensioning the cable. Also, the rigid member is substantially rigid when its adjustable length is set so as to resist movement of the tower from its set working position. Furthermore, the towing system features a measuring device arranged to measure tensile force in a tensioned member of the towing system for determining tension in the cable.
40	Towing system for towing a user on a support material	US14710155	2015-05-12	US09637138B2	2017-05-02	Daniel Kathan; Alan Kathan
A towing system comprises towers arranged relative to a skiing surface; a pulley on each tower; and a motor effecting rotation of at least one pulley. A cable passes along the pulleys and forms a closed loop between the towers. A towing element is coupled to the cable for towing a user along the skiing surface. The system features a number of innovations. A rigid member is arranged to hold a tower upright and has tension therein for tensioning the cable. A support assembly supporting the pulley is arranged for pivotal motion relative to the tower for adjusting a plane within which the pulley rotates. Guide rollers properly guide the cable over each pulley. The pulley comprises angular track portions which are removable independent of one another. Panels partially enclosing the support assembly are movable into a position to define a platform for supporting objects and people thereon during maintenance.

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