CA953283A - Variable speed hoist - Google Patents

Variable speed hoist

Info

Publication number
CA953283A
CA953283A CA081,769A CA81769A CA953283A CA 953283 A CA953283 A CA 953283A CA 81769 A CA81769 A CA 81769A CA 953283 A CA953283 A CA 953283A
Authority
CA
Canada
Prior art keywords
variable speed
speed hoist
hoist
variable
speed
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.)
Expired
Application number
CA081,769A
Inventor
Dana L. Pruitt
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
Application granted granted Critical
Publication of CA953283A publication Critical patent/CA953283A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/18—Power-operated hoists
    • B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
    • B66D3/22—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing with variable-speed gearings between driving motor and drum or barrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/22—Control systems or devices for electric drives
    • B66C13/23—Circuits for controlling the lowering of the load
    • B66C13/24—Circuits for controlling the lowering of the load by dc motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/18—Power-operated hoists
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/02—Hoists or accessories for hoists
    • B66D2700/026—Pulleys, sheaves, pulley blocks or their mounting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Structure Of Transmissions (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Direct Current Motors (AREA)
  • Gear Transmission (AREA)
CA081,769A 1969-06-02 1970-05-04 Variable speed hoist Expired CA953283A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82950369A 1969-06-02 1969-06-02

Publications (1)

Publication Number Publication Date
CA953283A true CA953283A (en) 1974-08-20

Family

ID=25254718

Family Applications (1)

Application Number Title Priority Date Filing Date
CA081,769A Expired CA953283A (en) 1969-06-02 1970-05-04 Variable speed hoist

Country Status (6)

Country Link
US (1) US3628115A (en)
JP (1) JPS503543B1 (en)
CA (1) CA953283A (en)
DE (1) DE2027013A1 (en)
FR (1) FR2045798B1 (en)
GB (1) GB1306856A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857076A (en) * 1973-01-15 1974-12-24 Whirlpool Co Upright vacuum cleaner{13 drive motor control
JPS5219240U (en) * 1975-07-29 1977-02-10
JPS5275451U (en) * 1975-12-03 1977-06-06
US5229913A (en) * 1991-11-04 1993-07-20 Smith Roger G Controls for vibratory machines
CH687873A5 (en) * 1994-06-10 1997-03-14 Grapha Holding Ag Hand- or motor-driven hoist.
US5662538A (en) * 1996-03-11 1997-09-02 Wang; Fue-Jye Device for adjusting pitch diameter of sheave of variable speed mechanism
US6705961B2 (en) 2000-07-14 2004-03-16 Tecumseh Products Company Variable speed transmission and electronic speed control therefor
DE10324881A1 (en) * 2003-05-30 2004-12-30 Demag Cranes & Components Gmbh Interface circuit for the control of an electrical consumer and circuit arrangement for the control of an electric motor
JP2010521391A (en) 2007-03-23 2010-06-24 テレックス‐デマーク・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング On-vehicle crane having an undercarriage and an upper structure
US9014913B2 (en) 2013-03-08 2015-04-21 Warn Industries, Inc. Multi-mode radio frequency winch controller
CN113309496B (en) * 2021-06-04 2022-06-24 东营职业学院 Pumping unit driving motor system and fault monitoring method
CN215334255U (en) * 2021-07-30 2021-12-28 重庆美和机电有限公司 Speed reduction transmission device and hoisting hoist

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095470A (en) * 1900-01-01
US2500326A (en) * 1947-03-10 1950-03-14 Keller Tool Co Two-speed hoist
US2695086A (en) * 1949-05-10 1954-11-23 Columbus Mckinnon Chain Corp Variable speed hoist
US3184671A (en) * 1958-08-18 1965-05-18 Cons Electronics Ind Motor speed governor circuit
US2981880A (en) * 1959-12-23 1961-04-25 Singer Mfg Co Speed-regulating control system for series commutator motor
US3292069A (en) * 1963-10-11 1966-12-13 Texaco Experiment Inc Torque increasing device for a series commutator motor
DE1262414B (en) * 1964-05-07 1968-03-07 Presna Mechanika Narodny Podni Arrangement for speed control of a collector motor fed from a DC voltage source
GB1126185A (en) * 1966-05-06 1968-09-05 Mullard Ltd Improvements relating to electric motor speed control
FR1500749A (en) * 1966-07-12 1967-11-03 Birfield Eng Ltd Electric hoist
US3461371A (en) * 1966-12-27 1969-08-12 Singer Co Manually operated motor speed control systems with automatic power assist by semiconductor controlled rectifiers

Also Published As

Publication number Publication date
DE2027013A1 (en) 1970-12-10
US3628115A (en) 1971-12-14
GB1306856A (en) 1973-02-14
JPS503543B1 (en) 1975-02-06
FR2045798B1 (en) 1975-01-10
FR2045798A1 (en) 1971-03-05

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