US3874303A - A device for pulling skiers - Google Patents

A device for pulling skiers Download PDF

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Publication number
US3874303A
US3874303A US248078A US24807872A US3874303A US 3874303 A US3874303 A US 3874303A US 248078 A US248078 A US 248078A US 24807872 A US24807872 A US 24807872A US 3874303 A US3874303 A US 3874303A
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United States
Prior art keywords
band
hauling
rollers
pulling
hauling means
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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.)
Expired - Lifetime
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US248078A
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English (en)
Inventor
Kjelib Andren
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Individual
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Individual
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Publication date
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Publication of US3874303A publication Critical patent/US3874303A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B11/00—Ski lift, sleigh lift or like trackless systems with guided towing cables only

Definitions

  • ABSTRACT A device for use as a skI-lift having a driven endless [52 us. c1. 104/173 belt to be mounted close to the ground and up a Skiing 51 1111. C1 B6lb 11/00 hill and Supported y rollers therealong and at each [58] Field 01 Search 104/173 R, 173 ST. 196 end with one end roller being adjustably supported and also having means resiliently connected to said 5 References Cited endless belt and capable of being held between the UNITED STATES PATENTS knees or by the hand of a skier whereby skiers can be pulled up said hill. 2087.232 7/1937 Constam 104/173 ST 2,285,636 6/1942 Wallace 104/173 ST 4 Claims, 6 Drawing Figures SiEZIT 2 [1F 3 FIG. 2
  • a DEVICE FOR PULLING SKIERS The present invention relates to a device preferably intended to be used as ski-lift.
  • a device which substantially is characterized by comprising a hauling means oflong extension and movable in its longitudinal direction which hauling means travels at a low height, a number of conveyor means at interspaced distances between them being connected to said hauling means and each one of said driving means exhibiting a handle grip part which can be moved sidewise away from the hauling means, said handle grip part being intended to be held firmly by the person using the lift.
  • FIG. 1 is a schematical side elevational view of the ski-lift
  • FIG. 2 is a cross section of the same along the line ll-ll in FIG. 1,
  • FIG. 3 is a side elevational view of the part of the skilift situated highest up on the hillside
  • FIG. 4 is a cross sectional view of a detail entering into the ski-lift assembly according to a first variant of embodiment
  • FIG. 5 is a longitudinal cross section through a part ofa hauling means provided with a device according to the invention as per a second variant of embodiment, and
  • FIG. 6 is a plan view of the device illustrated in FIG. 5.
  • the ski-lift comprises a hauling means 1 which in the embodiment illustrated is designed as an endless band running over a number of interspaced rollers 2 located along the hillside.
  • a hauling means 1 which in the embodiment illustrated is designed as an endless band running over a number of interspaced rollers 2 located along the hillside.
  • Two substantially vertical pulleys 3 and 4 are arranged each one at its end of the ski-lift, the band 1 being stretched between them.
  • the roller 4 is rotatably journalled in a frame structure 5, and the roller 3 is rotatably journalled in a frame 6.
  • the frame 6 located highest up on the hillside can be seen most clearly in FIG. 3.
  • Said frame 6 comprises two in between them movable parts 7 and 8 of which the frame part 7 supports the roller 3.
  • the frame parts 7 and 8 can suitably be connected to each other in such a way, for example by means of guiding rails, that they are displaceable in the longitudinal direction of the band.
  • the frame parts support a number of freely rotatable rollers 9 and 10, the frame part 7 in addition supporting a roller 11, which can be rotated by means of a crank, an electric motor or similar via the shaft indicated with 12 and the two gears 13 and 14 meshing with each other.
  • a rope 15 extends between the two frame parts 7 and 8, in the embodiment illustrated said rope being attached to the frame part 7 with one of its ends and extending alternately between the different rollers 9 11 on the two frame parts and with its other end being wound around the roller 11, so that a shortening or prolongation of the portions of the rope 15 extending between the frame parts can take place in order to stretch and slack respectively the band 1.
  • the rollers 2 are supported on a cross shaft 16 suitably pairwise as is best evident from FIG. 2, one of the rollers entering into each pair supporting the upwards extending band portion, and the other one of said rollers supporting the downwards running band portion.
  • the shaft 16 is in its turn supported by supporting means 17 of rigging screw type which means at their lower portion are connected to a base 18 which in its turn is provided with a pointed fastening means 19 which can be driven down into the ground. It IS of course also possible to equip the frame 5 and 6 with corresponding fastening means.
  • the shape of the rollers exhibiting a tapering curve towards their middle portion is very suitable with respect to their capability to keep the band in the desired position.
  • the driving of the band 1 can take place by way of example by means of a conventional electric motor, not illustrated in the drawings.
  • numeral 20 indicates a conveyor means, to which the person using the ski-lift is holding on.
  • the driving means comprises in the present case a spherical body which is designed to be kept firmly between the legs of the person using the ski-lift.
  • the conveyor means 20 is connected with the top side of the band 1 via a rope 21 which runs in slings round the freely rotating pulleys which enter into the assembly of two pulley groups 22 and 23.
  • the pulleys 23 are rotatably journalled in a housing 24 which is attached to the band 1, and the pulleys 22 are rotatably journalled in a holder 25 which is displaceablle in the longitudinal direction of the housing 24.
  • a tension spring 26 tends to pull the holder 25 in direction towards the gable 24a of the housing 24.
  • a person wants to make use of the ski-lift he pushes the conveyor means 20 aside to the working position illustrated in FIG. 2 and keeps the conveyor means 20 between his legs during the ride uphill.
  • the spring 26 will pull the holder 25 in direction towards the housing gable 24a, the slings positioned between the pulley groups 22 and 23 thereby getting prolonged, whereby the conveyor means 20 is retracted to its rest position on top of the band as illustrated in FIGS. 2 and 4.
  • the transmission ratio which is obtained between the pulley groups in the housing 24 serving the purpose of collecting means the movement of the holder 25 relative to the housing 24 will be comparatively small even when drawing out a considerable length of.the rope 21.
  • the spring 26 can suitably be adjusted in such a way that the rope 21 can be drawn out so far as it is at all possible without any resistance worth mentioning.
  • the force of the spring needs only be so great that it can pull the conveyor means 20 to its rest position, when it is not used.
  • the supporting means 17 19 can be made in many different ways, without departing from the fundamental idea of the invention.
  • the supporting means can be designed with comparatively light dimensions making them cheap to manufacture, light to transport, and easy to mount. Anchoring to the ground by way of example can take place by freezing.
  • the band shaped hauling device is indicated at l.
  • the hauling band comprises in this case of two separate bands 30 and 31 respectively which are sewn up in between them along their longitudinal borders.
  • the band 32 illustrated in the drawing comprises a resilient portion 33 and a comparatively non resilient portion 34.
  • the resilient portion 33 can by way of example be of rubber.
  • the band portion 33 of rubber is at one of its ends fastened to the two bands 30 and 31 via a comparatively elastic band loop 35, the sides of which are sewn each one to its band 30, 31 and the ends of which are attached to the rubber band 32 by way of example by glueing.
  • the band portion 34 is attached to the free end of the band portion 33 via two fastening bands 36 and 37 respectively which with one of their ends by glueing or similar are attached each one at its side of the band portion 33, and at their other end are sewn up to the band portion 34.
  • the free end portion of the band portion 34 is threaded out away from the hauling band 1 via an opening 38 in the lateral edge of said hauling band 1.
  • the embodiments illustrated in FIGS. and 6 are very advantageous as the rollers over which the hauling band 1 is running not necessarily have to be placed along one side only of said hauling band, but can be positioned above as well as below the hauling band which makes the device well adapted to all possible hill formations.
  • a ski-lift device comprising a driven hauling means of long extension and moveable in its longitudinal direction, a plurality of interspaced conveyor means connected to said hauling means at interspaced points therealong, said hauling means being constituded by an endless and broad band, rollers supporting said band for running near the ground, links connecting said conveyor means to said hauling means on the plane side of said band facing away from said rollers, the part of said link extending out from said hauling means being flexible substantially in its entire length, spring means tending to pull said links to a resting position parallel to and lying against said hauling means band on its side facing away from said rollers and said conveyor means being capable of being brought out from their resting position to a working position at a distance from said hauling means against the actuation of said spring means.
  • a ski-lift device comprising a driven hauling means of long extension and movable in its longitudinal direction, a plurality of inter spaced conveyor means connected to said hauling means at interspaced points therealong, said hauling means being constituted by an endless and broad band, rollers supporting said band for running near the ground, links connecting said conveyor means to said hauling means on the plane side of said hauling means facing away from said rollers, the part of said link extending out from said hauling means being flexible substantially in its entire length, a pulling band parallel to said hauling means band which is resilient at least along a portion of its extension, said pulling band having one of its ends being attached to said hauling band and the other end being attached to said link and guide means keeping said pulling band substantially parallel to and lying against said hauling band.
  • said hauling means comprises two parallel bands connected along their edges and having openings, the main portion of said pulling band being placed between said parallel bands and the end portion of said pulling band being provided with said guide means being arranged in such a way that it can be drawn out away from said hauling band through one of said openings.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)
  • Escalators And Moving Walkways (AREA)
US248078A 1971-11-29 1972-04-27 A device for pulling skiers Expired - Lifetime US3874303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1528171 1971-11-29

Publications (1)

Publication Number Publication Date
US3874303A true US3874303A (en) 1975-04-01

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ID=20300433

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Application Number Title Priority Date Filing Date
US248078A Expired - Lifetime US3874303A (en) 1971-11-29 1972-04-27 A device for pulling skiers

Country Status (6)

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US (1) US3874303A (en(2012))
AT (1) AT323802B (en(2012))
CA (1) CA967104A (en(2012))
FR (1) FR2162812A5 (en(2012))
IT (1) IT953814B (en(2012))
NO (1) NO131059C (en(2012))

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188018A (en) * 1976-11-18 1980-02-12 Pertti Pasanen Means for accelerating the speed on a ski jump
WO2001056855A1 (en) 2000-02-07 2001-08-09 Te Huruhuru Properties Ltd A portable ski tow
AT501094B1 (de) * 2004-12-01 2012-01-15 Bruckschloegl Holding Gmbh Zugvorrichtung für personen
US20170120934A1 (en) * 2014-06-12 2017-05-04 Ernesto Aramburo Winch for Water Sports and Other Uses

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2087232A (en) * 1934-08-17 1937-07-20 Constam Ernst Traction lines for ski-runners and other passengers
US2285636A (en) * 1940-12-23 1942-06-09 Eugene Wallace Ski tow mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2087232A (en) * 1934-08-17 1937-07-20 Constam Ernst Traction lines for ski-runners and other passengers
US2285636A (en) * 1940-12-23 1942-06-09 Eugene Wallace Ski tow mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188018A (en) * 1976-11-18 1980-02-12 Pertti Pasanen Means for accelerating the speed on a ski jump
WO2001056855A1 (en) 2000-02-07 2001-08-09 Te Huruhuru Properties Ltd A portable ski tow
AT501094B1 (de) * 2004-12-01 2012-01-15 Bruckschloegl Holding Gmbh Zugvorrichtung für personen
US20170120934A1 (en) * 2014-06-12 2017-05-04 Ernesto Aramburo Winch for Water Sports and Other Uses
US10377391B2 (en) * 2014-06-12 2019-08-13 Ernesto Aramburo Winch for water sports and other uses

Also Published As

Publication number Publication date
FR2162812A5 (en(2012)) 1973-07-20
AT323802B (de) 1975-07-25
NO131059B (en(2012)) 1974-12-23
NO131059C (en(2012)) 1975-04-09
CA967104A (en) 1975-05-06
IT953814B (it) 1973-08-10

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