ES359215A1 - Improvements in the construction of elevation devices and telescopic drive of cranes. (Machine-translation by Google Translate, not legally binding) - Google Patents
Improvements in the construction of elevation devices and telescopic drive of cranes. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES359215A1 ES359215A1 ES359215A ES359215A ES359215A1 ES 359215 A1 ES359215 A1 ES 359215A1 ES 359215 A ES359215 A ES 359215A ES 359215 A ES359215 A ES 359215A ES 359215 A1 ES359215 A1 ES 359215A1
- Authority
- ES
- Spain
- Prior art keywords
- arrow
- elevation
- translation
- construction
- machine
- 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
- 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
- B66C23/26—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
- B66C23/342—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with telescopic elements
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
Improvements in the construction of lifting devices and telescopic crane operation, characterized in that the actuation is carried out by means of a motor-lathe, and simultaneously a telescopic drive cable, a tilt cable and another cable for lifting the arrow, causing the elevation of the outer mast, the telescopic ascent of the inner mast and the elevation of the arrow of a single reach, joining a rear sling the pendolºn of the arrow with the chassis and supporting the efforts of load of the arrow, forming the cable of elevation of the arrow and the sling polipastos to obtain greater progressivity of the movements and to prevent its brutal completion. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR149374 | 1968-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES359215A1 true ES359215A1 (en) | 1970-07-01 |
Family
ID=8649381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES359215A Expired ES359215A1 (en) | 1968-04-25 | 1968-10-16 | Improvements in the construction of elevation devices and telescopic drive of cranes. (Machine-translation by Google Translate, not legally binding) |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE731776A (en) |
DE (2) | DE6914006U (en) |
ES (1) | ES359215A1 (en) |
FR (1) | FR1577995A (en) |
-
1968
- 1968-04-25 FR FR1577995D patent/FR1577995A/fr not_active Expired
- 1968-10-16 ES ES359215A patent/ES359215A1/en not_active Expired
-
1969
- 1969-04-08 DE DE19696914006 patent/DE6914006U/en not_active Expired
- 1969-04-08 DE DE19691917787 patent/DE1917787A1/en active Pending
- 1969-04-18 BE BE731776D patent/BE731776A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR1577995A (en) | 1969-08-14 |
DE6914006U (en) | 1973-02-08 |
DE1917787A1 (en) | 1970-05-06 |
BE731776A (en) | 1969-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19861217 |