JPS4942143B1 - - Google Patents
Info
- Publication number
- JPS4942143B1 JPS4942143B1 JP45100750A JP10075070A JPS4942143B1 JP S4942143 B1 JPS4942143 B1 JP S4942143B1 JP 45100750 A JP45100750 A JP 45100750A JP 10075070 A JP10075070 A JP 10075070A JP S4942143 B1 JPS4942143 B1 JP S4942143B1
- 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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/005—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with balanced jib, e.g. pantograph arrangement, the jib being moved manually
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Jib Cranes (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45100750A JPS4942143B1 (de) | 1970-11-17 | 1970-11-17 | |
US00199102A US3752325A (en) | 1970-11-17 | 1971-11-16 | Loading balancer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45100750A JPS4942143B1 (de) | 1970-11-17 | 1970-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4942143B1 true JPS4942143B1 (de) | 1974-11-13 |
Family
ID=14282192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP45100750A Pending JPS4942143B1 (de) | 1970-11-17 | 1970-11-17 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3752325A (de) |
JP (1) | JPS4942143B1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2353137C3 (de) * | 1973-10-23 | 1981-09-10 | Liebherr-Aero-Technik Gmbh, 8998 Lindenberg | Kran |
AU3602478A (en) * | 1977-05-13 | 1979-11-15 | Kono T | Cargo handling apparatus |
US4807767A (en) * | 1983-12-20 | 1989-02-28 | Grumman Aerospace Corporation | Self balancing electric hoist |
US4666364A (en) * | 1984-06-19 | 1987-05-19 | Stahl Aufzge Gmbh & Co. Kg | Low friction cylinder for manipulators, based on the pantograph principle and equipped with a pneumatic balancer control |
US5799806A (en) * | 1997-01-31 | 1998-09-01 | Skyjack Equipment Inc. | Lifting device with counterweight |
FR2768139A1 (fr) * | 1997-09-09 | 1999-03-12 | Mecaplastifor | Procede et dispositif de manipulation et d'equilibrage de charge par verin pneumatique avec pesee automatique sans capteur |
US6341665B1 (en) | 1999-09-13 | 2002-01-29 | Grove U.S. L.L.C. | Retractable counterweight for straight-boom aerial work platform |
US7506545B1 (en) * | 2005-05-05 | 2009-03-24 | Ologic, Inc. | Balancing device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2915137A (en) * | 1958-05-05 | 1959-12-01 | J H Holan Corp | Mobile aerial tower |
US3043448A (en) * | 1958-09-19 | 1962-07-10 | Gen Mills Inc | Vehicle-mounted manipulator |
DE1245072B (de) * | 1965-01-08 | 1967-07-20 | Weserhuette Ag Eisenwerk | Bewegliches oder stationaeres, hydraulisch oder mechanisch betaetigtes Hebegeraet |
US3498474A (en) * | 1968-05-27 | 1970-03-03 | Hunt Pierce Corp | Extensible boom structure |
US3662907A (en) * | 1970-04-17 | 1972-05-16 | Unic Corp | Device for actuating a swingable boom |
-
1970
- 1970-11-17 JP JP45100750A patent/JPS4942143B1/ja active Pending
-
1971
- 1971-11-16 US US00199102A patent/US3752325A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3752325A (en) | 1973-08-14 |