CH621101A5 - - Google Patents
Download PDFInfo
- Publication number
- CH621101A5 CH621101A5 CH981777A CH981777A CH621101A5 CH 621101 A5 CH621101 A5 CH 621101A5 CH 981777 A CH981777 A CH 981777A CH 981777 A CH981777 A CH 981777A CH 621101 A5 CH621101 A5 CH 621101A5
- Authority
- CH
- Switzerland
- Prior art keywords
- telescopic
- stop
- telescopic slide
- piece
- pawl
- Prior art date
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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
-
- 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
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2638185A DE2638185C3 (de) | 1976-08-25 | 1976-08-25 | Teleskopausleger für fahrbare Krane |
Publications (1)
Publication Number | Publication Date |
---|---|
CH621101A5 true CH621101A5 (fr) | 1981-01-15 |
Family
ID=5986298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH981777A CH621101A5 (fr) | 1976-08-25 | 1977-08-10 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4100707A (fr) |
JP (1) | JPS5340952A (fr) |
CA (1) | CA1067861A (fr) |
CH (1) | CH621101A5 (fr) |
DE (1) | DE2638185C3 (fr) |
FR (1) | FR2362785A2 (fr) |
GB (1) | GB1590879A (fr) |
IT (1) | IT1115772B (fr) |
NL (1) | NL7709418A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5624711Y2 (fr) * | 1978-12-27 | 1981-06-10 | ||
DE2926292A1 (de) * | 1979-06-29 | 1981-01-08 | Harnischfeger Gmbh | Insbesondere mobiler teleskopauslegerkran |
JPS5637991A (en) * | 1979-08-31 | 1981-04-11 | Shin Meiwa Ind Co Ltd | Expansion device in multistage boom |
US4295661A (en) * | 1980-01-10 | 1981-10-20 | J. I. Case Company | Latching mechanism for machine stabilizer arms using hydraulic cylinders |
DE3343088A1 (de) * | 1983-11-29 | 1985-06-05 | Gottwald GmbH, 4000 Düsseldorf | Kran mit teleskopausleger |
US4748779A (en) * | 1986-10-16 | 1988-06-07 | Junji Ogawa | Telescopic arm for use in civil engineering machines |
US6253502B1 (en) * | 1998-08-25 | 2001-07-03 | George F. Layton | Van with extensible boom |
DE10104310B4 (de) * | 2001-01-22 | 2005-02-03 | Terex-Demag Gmbh & Co. Kg | Fahrzeugkran mit Teleskopausleger |
US7299589B2 (en) * | 2003-10-22 | 2007-11-27 | Harris Corporation | Telescoping boom actuation mechanism formed of concentrically nested tubular boom sections mutually engaged by roller assemblies riding on helical tracks |
CN115043337B (zh) * | 2022-08-15 | 2023-08-11 | 徐州重型机械有限公司 | 一种臂架***、起重机及臂架***控制方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1506519C2 (de) * | 1965-04-08 | 1974-10-31 | Grove Manufacturing Company, Shady Grove, Pa. (V.St.A.) | Teleskopausleger |
DE1276305B (de) * | 1967-05-03 | 1968-08-29 | Orenstein & Koppel Ag | Teleskopausleger fuer Kranbetrieb, insbesondere bei Erdbaggern |
DE1944463A1 (de) * | 1969-09-02 | 1971-03-04 | Krupp Gmbh | Mehrfacher Teleskopausleger,insbesondere fuer einen Autokran |
US3795321A (en) * | 1972-05-18 | 1974-03-05 | Harnischfeger Corp | Telescoping crane boom |
GB1376427A (en) * | 1973-06-07 | 1974-12-04 | Harnischfeger Corp | Telescoping crane boom |
US4036372A (en) * | 1975-12-15 | 1977-07-19 | Clark Equipment Company | Extension and retraction means for the telescopic boom assembly of a crane |
-
1976
- 1976-08-25 DE DE2638185A patent/DE2638185C3/de not_active Expired
-
1977
- 1977-08-10 CH CH981777A patent/CH621101A5/de not_active IP Right Cessation
- 1977-08-24 GB GB35463/77A patent/GB1590879A/en not_active Expired
- 1977-08-24 IT IT50764/77A patent/IT1115772B/it active
- 1977-08-24 US US05/827,306 patent/US4100707A/en not_active Expired - Lifetime
- 1977-08-24 FR FR7725809A patent/FR2362785A2/fr active Granted
- 1977-08-25 JP JP10117777A patent/JPS5340952A/ja active Granted
- 1977-08-25 CA CA285,486A patent/CA1067861A/fr not_active Expired
- 1977-08-25 NL NL7709418A patent/NL7709418A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2362785B2 (fr) | 1980-06-13 |
NL7709418A (nl) | 1978-02-28 |
JPS5340952A (en) | 1978-04-13 |
US4100707A (en) | 1978-07-18 |
CA1067861A (fr) | 1979-12-11 |
IT1115772B (it) | 1986-02-03 |
FR2362785A2 (fr) | 1978-03-24 |
GB1590879A (en) | 1981-06-10 |
DE2638185B2 (de) | 1979-02-22 |
JPS5720236B2 (fr) | 1982-04-27 |
DE2638185A1 (de) | 1978-03-02 |
DE2638185C3 (de) | 1979-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |