US20150013564A1 - Radio Controlled Pulley - Google Patents

Radio Controlled Pulley Download PDF

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Publication number
US20150013564A1
US20150013564A1 US14/336,478 US201414336478A US2015013564A1 US 20150013564 A1 US20150013564 A1 US 20150013564A1 US 201414336478 A US201414336478 A US 201414336478A US 2015013564 A1 US2015013564 A1 US 2015013564A1
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US
United States
Prior art keywords
radio controlled
propulsion system
support line
controlled pulley
pulley
Prior art date
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.)
Abandoned
Application number
US14/336,478
Inventor
Scott Trantina
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US14/336,478 priority Critical patent/US20150013564A1/en
Publication of US20150013564A1 publication Critical patent/US20150013564A1/en
Priority to US14/701,234 priority patent/US20160016594A1/en
Priority to US15/004,350 priority patent/US9568914B1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K5/00—Feeding devices for stock or game ; Feeding wagons; Feeding stacks
    • A01K5/02—Automatic devices
    • A01K5/0266—Automatic devices with stable trolleys, e.g. suspended
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K39/00—Feeding or drinking appliances for poultry or other birds
    • A01K39/01—Feeding devices, e.g. chainfeeders
    • A01K39/014—Feed troughs; Feed throwers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B7/00—Rope railway systems with suspended flexible tracks
    • B61B7/06—Rope railway systems with suspended flexible tracks with self-propelled vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C11/00—Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel
    • B61C11/02—Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel tractive effort applied to cables or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C13/00—Locomotives or motor railcars characterised by their application to special systems or purposes
    • B61C13/06—Locomotives or motor railcars characterised by their application to special systems or purposes for railways with suspended flexible tracks, i.e. rope railways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D47/00—Loading or unloading devices combined with vehicles, e.g. loading platforms, doors convertible into loading and unloading ramps
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/0011—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots associated with a remote control arrangement
    • G05D1/0022—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots associated with a remote control arrangement characterised by the communication link
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Definitions

  • the present invention relates to suspended remote controlled transport systems, including but not limited to systems used for transporting materials
  • the Radio Controlled Pulley comprises; a support line, a platform suspended from said support line, a propulsion system, said propulsion system configured to cause the platform to move along said support line and said propulsion system affixed to said platform, and an optional control system for commanding said propulsion system.
  • the control system may be of a type which permits an operator to operate the Radio Controlled Pulley from a point remote from the Radio Controlled Pulley.
  • FIG. 1 is a perspective view of the Radio Controlled Pulley.
  • FIG. 2 is a view like FIG. 1 of a second embodiment of the invention.
  • FIG. 3 is a view like FIG. 2 of a third embodiment.
  • FIG. 4 is a view like FIG. 1 of a fourth embodiment.
  • FIG. 5 is a view like FIG. 1 of yet another embodiment.
  • FIG. 6 is a view like FIG. 1 of a sixth embodiment with a tool belt.
  • FIG. 7 is a view like FIG. 1 of a sixth embodiment with a bucket.
  • FIG. 8 is a view like FIG. 1 of a sixth embodiment with sheet material.
  • the Radio Controlled Pulley 1 comprises; a support Line 2 , a Platform 3 suspended from said support Line 2 , a propulsion system, said propulsion system 5 configured to cause the Platform 3 to move along said support Line 2 with said propulsion system 5 affixed to said Platform 3 , and a control system 4 for commanding said propulsion system 5 .
  • the support Line 2 may be of any material capable of flexibly stretching between at least two support points 6 and supporting the weight of the Platform 3 and the components placed on the Platform 3 .
  • the Platform 3 may be of any suitable shape and size required to accommodate a propulsion system 5 and a control system 4 for Radio Controlled Pulley 1 . To serve as a Radio Controlled Pulley 1 the Platform 3 must also accommodate a connection 22 for attaching items for transport 23 . Items for transport 23 may be any item or items which may be attached to the connection 22 . Items for transport 23 include, but are not limited to tool belts, buckets, and sheet materials.
  • the Radio Controlled Pulley 1 may be further equipped with a television camera.
  • the propulsion system 5 comprises a motor 9 , an energy storage system 10 , a transmission system 11 , and optionally a power supply 12 .
  • the motor 9 may be an internal combustion engine using a liquid or gaseous fuel such as gasoline, diesel fuel, propane or any fuel suitable to operate an internal combustion engine.
  • the motor 9 may be an alternating current or direct current electric motor.
  • the energy storage system 10 may be an electrical battery 13 , or a tank 14 of an appropriate type for storing the liquid or gaseous fuel. In yet another embodiment the energy storage system 10 may be a wound spring 15 .
  • the motor 9 is any device which converts the energy stored in the energy storage system 10 to mechanical work used to propel the Radio Controlled Pulley 1 along its support Line 2 .
  • the transmission is any mechanism which transmits mechanical energy from the motor 9 to the support Line 2 to cause the Radio Controlled Pulley 1 to move along the support Line 2 .
  • the transmission system 11 would consist of a wheel 16 resting on the support Line 2 , connected by a drive belt 17 to a pulley 18 attached to and turned by the motor 9 .
  • the drive belt 17 belt and pulley 18 assembly would be replaced by a gear train 19 . It will be recognized that there are a large number of ways by which the motor 9 can be connected to a drive wheel 16 , or multiple drive wheels, to cause the Radio Controlled Pulley 1 to move along the support Line 2 .
  • One or more tensioning wheels may be included on the side of the support line 2 to increase the friction between the drive wheels and the support line 2 .
  • One or more of the drive wheels and tensioning wheels may be provided with treads to increase their grip on the support line 2 .
  • the optional power supply 12 is anything which captures or produces energy and supplies that energy to the energy storage system 10 .
  • this optional power supply 12 is a set of photovoltaic cells which supply energy to the electrical battery 13 .
  • the optional power supply 12 is an electrical battery charger which can be plugged into a convenient power source placed anywhere along the and sufficiently near the support Line 2 . It will be appreciated that this optional power supply 12 may take on many forms and can be envisioned for any of the energy storage systems 10 contemplated.
  • This optional power supply 12 can be as simple as a slot to accommodate a winding key for the spring 15 , as complex as photovoltaic cells to charge the electrical batteries, or anything in between.
  • the control system 4 may be of a preprogrammed type or of a type which can be managed while the Radio Controlled Pulley 1 is remote from the operator. In both cases the control system 4 interacts with the motor 9 , transmission system 11 or both to determine the direction and speed at which the motor 9 causes the Radio Controlled Pulley 1 to move along the support Line 2 .
  • the preprogrammed type provides a means for the operator to provide control instructions while the Radio Controlled Pulley 1 is close at hand and the control system 4 then executes the instructions provided by the operator.
  • the preprogrammed control system 4 may be as simple as an on-off switch, as complex as a programmable computer, or any level of complexity in-between.
  • the remote control system 4 allows the operator to control the Radio Controlled Pulley 1 via electromagnetic or acoustic waves.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Birds (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Catching Or Destruction (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
  • Toys (AREA)

Abstract

The Radio Controlled Pulley includes a support line, a platform suspended from the support line, a propulsion system configured to cause the platform to move along the support line the propulsion system affixed to said platform, and having an optional control system for commanding said propulsion system.

Description

    CROSS REFERENCE TO RELATED APPLICATIONS
  • The application listed below is the only application related to this application. This application is a continuation-in-part of Utility patent application Ser. No. 13/490,432 filed on June 7, 2012.
    • STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
  • No invention claimed in this application was made under Federally sponsored research or development.
    • THE NAMES OF THE PARTIES TO A JOINT RESEARCH AGREEMENT
  • Not Applicable
    • REFERENCE TO A SEQUENCE LISTING
  • Not Applicable
    • BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention relates to suspended remote controlled transport systems, including but not limited to systems used for transporting materials
  • 2. Description of Related Art
  • Remotely controlled stationary animal feed dispensers are known in the art. US Published Patent Application 20090020074 by Harmon, U.S. Pat. No. 5,868,101 to Marshall, U.S. Pat. No. 5,297,503 to Hibbard, U.S. Pat. No. 5,438,956 to Thigpen, U.S. Pat. No. 5,392,732 to Fry, and U.S. Pat. No. 5,370,080 to Koepp exemplify such stationary remotely controlled feed dispensers.
  • Mobile animal feed dispensers are also known in the art. U.S. Pat. No. 2,316,463 to Skulina is typical of this class of feed dispenser.
  • It is the object of the present invention to provide a mobile and remotely controlled material transport.
    • BRIEF SUMMARY OF THE INVENTION
  • The Radio Controlled Pulley comprises; a support line, a platform suspended from said support line, a propulsion system, said propulsion system configured to cause the platform to move along said support line and said propulsion system affixed to said platform, and an optional control system for commanding said propulsion system. The control system may be of a type which permits an operator to operate the Radio Controlled Pulley from a point remote from the Radio Controlled Pulley.
    • BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING
  • FIG. 1 is a perspective view of the Radio Controlled Pulley.
  • FIG. 2 is a view like FIG. 1 of a second embodiment of the invention.
  • FIG. 3 is a view like FIG. 2 of a third embodiment.
  • FIG. 4 is a view like FIG. 1 of a fourth embodiment.
  • FIG. 5 is a view like FIG. 1 of yet another embodiment.
  • FIG. 6 is a view like FIG. 1 of a sixth embodiment with a tool belt.
  • FIG. 7 is a view like FIG. 1 of a sixth embodiment with a bucket.
  • FIG. 8 is a view like FIG. 1 of a sixth embodiment with sheet material.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • The Radio Controlled Pulley 1 comprises; a support Line 2, a Platform 3 suspended from said support Line 2, a propulsion system, said propulsion system 5 configured to cause the Platform 3 to move along said support Line 2 with said propulsion system 5 affixed to said Platform 3, and a control system 4 for commanding said propulsion system 5.
  • The support Line 2 may be of any material capable of flexibly stretching between at least two support points 6 and supporting the weight of the Platform 3 and the components placed on the Platform 3.
  • The Platform 3 may be of any suitable shape and size required to accommodate a propulsion system 5 and a control system 4 for Radio Controlled Pulley 1. To serve as a Radio Controlled Pulley 1 the Platform 3 must also accommodate a connection 22 for attaching items for transport 23. Items for transport 23 may be any item or items which may be attached to the connection 22. Items for transport 23 include, but are not limited to tool belts, buckets, and sheet materials.
  • The Radio Controlled Pulley 1 may be further equipped with a television camera. The propulsion system 5 comprises a motor 9, an energy storage system 10, a transmission system 11, and optionally a power supply 12. The motor 9 may be an internal combustion engine using a liquid or gaseous fuel such as gasoline, diesel fuel, propane or any fuel suitable to operate an internal combustion engine. The motor 9 may be an alternating current or direct current electric motor. The energy storage system 10 may be an electrical battery 13, or a tank 14 of an appropriate type for storing the liquid or gaseous fuel. In yet another embodiment the energy storage system 10 may be a wound spring 15. In short the motor 9 is any device which converts the energy stored in the energy storage system 10 to mechanical work used to propel the Radio Controlled Pulley 1 along its support Line 2. The transmission is any mechanism which transmits mechanical energy from the motor 9 to the support Line 2 to cause the Radio Controlled Pulley 1 to move along the support Line 2. In one embodiment the transmission system 11 would consist of a wheel 16 resting on the support Line 2, connected by a drive belt 17 to a pulley 18 attached to and turned by the motor 9. In another embodiment the drive belt 17 belt and pulley 18 assembly would be replaced by a gear train 19. It will be recognized that there are a large number of ways by which the motor 9 can be connected to a drive wheel 16, or multiple drive wheels, to cause the Radio Controlled Pulley 1 to move along the support Line 2.
  • One or more tensioning wheels may be included on the side of the support line 2 to increase the friction between the drive wheels and the support line 2. One or more of the drive wheels and tensioning wheels may be provided with treads to increase their grip on the support line 2.
  • The optional power supply 12 is anything which captures or produces energy and supplies that energy to the energy storage system 10. In one embodiment this optional power supply 12 is a set of photovoltaic cells which supply energy to the electrical battery 13. In another embodiment the optional power supply 12 is an electrical battery charger which can be plugged into a convenient power source placed anywhere along the and sufficiently near the support Line 2. It will be appreciated that this optional power supply 12 may take on many forms and can be envisioned for any of the energy storage systems 10 contemplated. This optional power supply 12 can be as simple as a slot to accommodate a winding key for the spring 15, as complex as photovoltaic cells to charge the electrical batteries, or anything in between.
  • The control system 4 may be of a preprogrammed type or of a type which can be managed while the Radio Controlled Pulley 1 is remote from the operator. In both cases the control system 4 interacts with the motor 9, transmission system 11 or both to determine the direction and speed at which the motor 9 causes the Radio Controlled Pulley 1 to move along the support Line 2. The preprogrammed type provides a means for the operator to provide control instructions while the Radio Controlled Pulley 1 is close at hand and the control system 4 then executes the instructions provided by the operator. The preprogrammed control system 4 may be as simple as an on-off switch, as complex as a programmable computer, or any level of complexity in-between. The remote control system 4 allows the operator to control the Radio Controlled Pulley 1 via electromagnetic or acoustic waves.
    • SEQUENCE LISTING
  • Not Applicable

Claims (4)

I claim:
1. A Radio Controlled Pulley comprising:
a) A support line;
b) A Connection; and
c) A propulsion system, said propulsion system configured to cause the Radio Controlled Pulley to move along said support line and said propulsion system affixed to said Radio Controlled Pulley.
2. The Radio Controlled Pulley of claim 1 further comprising a control system for commanding said propulsion system.
3. Radio Controlled Pulley of claim 2 wherein said control system permits operation of said propulsion system under control of an operator, said operator being located at a location remote from said feeding platform.
4. The Radio Controlled Pulley of claim 2 further comprising one or more devices in addition to said propulsion system, wherein operation of said devices is under control of the control system.
US14/336,478 2012-06-07 2014-07-21 Radio Controlled Pulley Abandoned US20150013564A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US14/336,478 US20150013564A1 (en) 2012-06-07 2014-07-21 Radio Controlled Pulley
US14/701,234 US20160016594A1 (en) 2012-06-07 2015-04-30 Radio Controlled Pulley
US15/004,350 US9568914B1 (en) 2012-06-07 2016-01-22 Remotely controlled pulley transport system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/490,532 US8820264B2 (en) 2012-06-07 2012-06-07 Remotely controlled feeding station
US14/336,478 US20150013564A1 (en) 2012-06-07 2014-07-21 Radio Controlled Pulley

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US13/490,532 Continuation-In-Part US8820264B2 (en) 2012-06-07 2012-06-07 Remotely controlled feeding station

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US14/701,234 Continuation-In-Part US20160016594A1 (en) 2012-06-07 2015-04-30 Radio Controlled Pulley
US15/004,350 Continuation-In-Part US9568914B1 (en) 2012-06-07 2016-01-22 Remotely controlled pulley transport system

Publications (1)

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US20150013564A1 true US20150013564A1 (en) 2015-01-15

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ID=49714289

Family Applications (3)

Application Number Title Priority Date Filing Date
US13/490,532 Expired - Fee Related US8820264B2 (en) 2012-06-07 2012-06-07 Remotely controlled feeding station
US14/336,478 Abandoned US20150013564A1 (en) 2012-06-07 2014-07-21 Radio Controlled Pulley
US14/701,234 Abandoned US20160016594A1 (en) 2012-06-07 2015-04-30 Radio Controlled Pulley

Family Applications Before (1)

Application Number Title Priority Date Filing Date
US13/490,532 Expired - Fee Related US8820264B2 (en) 2012-06-07 2012-06-07 Remotely controlled feeding station

Family Applications After (1)

Application Number Title Priority Date Filing Date
US14/701,234 Abandoned US20160016594A1 (en) 2012-06-07 2015-04-30 Radio Controlled Pulley

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US (3) US8820264B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9579578B2 (en) * 2014-09-16 2017-02-28 Ronald Chasteen Zip line trolley retriever system

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9568914B1 (en) 2012-06-07 2017-02-14 Scott Trantina Remotely controlled pulley transport system
ITUB20150167A1 (en) * 2015-03-05 2016-09-05 Eurotech S P A ROPE LIFT, METHOD TO INCREASE THE SAFETY OF A ROPE LIFT AND SAFETY SYSTEM FOR A ROPE LIFT
AT520445B1 (en) * 2017-10-19 2019-04-15 Innova Patent Gmbh Tire conveyor for means of transport
CN109131378A (en) * 2018-08-06 2019-01-04 苏州博艇智能科技有限公司 Cable tramway
CN109017823A (en) * 2018-08-06 2018-12-18 苏州博艇智能科技有限公司 Cable tramway transportation system
CN109263663A (en) * 2018-08-06 2019-01-25 苏州博艇智能科技有限公司 Cable tramway
CN109017820A (en) * 2018-08-06 2018-12-18 苏州博艇智能科技有限公司 Cable tramway
CN111869583A (en) * 2020-08-21 2020-11-03 深圳市乐犇科技有限公司 Multifunctional pet feeding trolley

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797663A (en) * 1956-10-04 1957-07-02 Ira M Leonard Sr Automatic poultry feeder
US3550812A (en) * 1967-07-31 1970-12-29 Richard J A Brown Feeders for livestock
US4223638A (en) * 1979-01-24 1980-09-23 Sappington Marr D Apparatus for feeding poultry
US4313397A (en) * 1980-01-22 1982-02-02 Markum Donnie D Apparatus for motivating animals to move
US4981107A (en) * 1989-03-31 1991-01-01 Micro-Contact Inc. Computerized automatic cattle-feeder system
US5309864A (en) * 1990-11-12 1994-05-10 N.V. Nederlandsche Apparatenfabriek Nedap Method and apparatus for feeding animals
US6532895B1 (en) * 1999-02-09 2003-03-18 LANDMECO øLGOD A/S Feeding pan and feeding system, especially for poultry, such as chickens, and use thereof
US6779486B2 (en) * 2001-10-17 2004-08-24 Feedlogic Systems Inc. Automatic animal feeder

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797663A (en) * 1956-10-04 1957-07-02 Ira M Leonard Sr Automatic poultry feeder
US3550812A (en) * 1967-07-31 1970-12-29 Richard J A Brown Feeders for livestock
US4223638A (en) * 1979-01-24 1980-09-23 Sappington Marr D Apparatus for feeding poultry
US4313397A (en) * 1980-01-22 1982-02-02 Markum Donnie D Apparatus for motivating animals to move
US4981107A (en) * 1989-03-31 1991-01-01 Micro-Contact Inc. Computerized automatic cattle-feeder system
US5309864A (en) * 1990-11-12 1994-05-10 N.V. Nederlandsche Apparatenfabriek Nedap Method and apparatus for feeding animals
US6532895B1 (en) * 1999-02-09 2003-03-18 LANDMECO øLGOD A/S Feeding pan and feeding system, especially for poultry, such as chickens, and use thereof
US6779486B2 (en) * 2001-10-17 2004-08-24 Feedlogic Systems Inc. Automatic animal feeder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9579578B2 (en) * 2014-09-16 2017-02-28 Ronald Chasteen Zip line trolley retriever system

Also Published As

Publication number Publication date
US20160016594A1 (en) 2016-01-21
US8820264B2 (en) 2014-09-02
US20130327276A1 (en) 2013-12-12

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