CA953283A - Variable speed hoist - Google Patents
Variable speed hoistInfo
- 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
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)
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)
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 |
DE202008003733U1 (en) | 2007-03-23 | 2008-07-31 | Terex-Demag Gmbh & Co. Kg | Mobile crane with an undercarriage and a superstructure |
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)
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 |
-
1969
- 1969-06-02 US US829503A patent/US3628115A/en not_active Expired - Lifetime
-
1970
- 1970-05-04 CA CA081,769A patent/CA953283A/en not_active Expired
- 1970-06-01 GB GB2634370A patent/GB1306856A/en not_active Expired
- 1970-06-01 FR FR7020065A patent/FR2045798B1/fr not_active Expired
- 1970-06-02 JP JP45047506A patent/JPS503543B1/ja active Pending
- 1970-06-02 DE DE19702027013 patent/DE2027013A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2045798B1 (en) | 1975-01-10 |
US3628115A (en) | 1971-12-14 |
GB1306856A (en) | 1973-02-14 |
JPS503543B1 (en) | 1975-02-06 |
FR2045798A1 (en) | 1971-03-05 |
DE2027013A1 (en) | 1970-12-10 |
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