JPS4931044A - - Google Patents
Info
- Publication number
- JPS4931044A JPS4931044A JP11667872A JP11667872A JPS4931044A JP S4931044 A JPS4931044 A JP S4931044A JP 11667872 A JP11667872 A JP 11667872A JP 11667872 A JP11667872 A JP 11667872A JP S4931044 A JPS4931044 A JP S4931044A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26030372A | 1972-06-06 | 1972-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4931044A true JPS4931044A (de) | 1974-03-20 |
Family
ID=22988621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11667872A Pending JPS4931044A (de) | 1972-06-06 | 1972-11-22 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3790814A (de) |
| JP (1) | JPS4931044A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9414479D0 (en) * | 1994-07-18 | 1994-09-07 | Capricorn Electronics Ltd | Apparatus for moving an ornament and drive means therefor |
| CA2504749C (en) * | 2004-04-27 | 2008-10-14 | National-Oilwell, L.P. | Electric winch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610584A (en) * | 1969-01-21 | 1971-10-05 | Pfaff & Kendall | Lowering device mechanism |
-
1972
- 1972-06-06 US US3790814D patent/US3790814A/en not_active Expired - Lifetime
- 1972-11-22 JP JP11667872A patent/JPS4931044A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3790814A (en) | 1974-02-05 |