NO963153L - Telescope - Google Patents
TelescopeInfo
- Publication number
- NO963153L NO963153L NO963153A NO963153A NO963153L NO 963153 L NO963153 L NO 963153L NO 963153 A NO963153 A NO 963153A NO 963153 A NO963153 A NO 963153A NO 963153 L NO963153 L NO 963153L
- Authority
- NO
- Norway
- Prior art keywords
- piston
- cylinder
- piston rod
- hydraulic
- channels
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Actuator (AREA)
Abstract
Teleskop av den art som har et ikke-sirkulært, fortrinnsvis rektangulært tverrsnitt, hvor minst ett teleskopledd er innrettet til å kunne forskyves av en hydraulisk stempel- sylinder som omfatter et stempel (15, 20), en stempelstang (19, 24) og et sylinderhus. Forskyvbare teleskopledd dannes av hulprofiler (2, 4) som har et sirkulært løp (5, 8) som danner sylinderhus i den hydrauliske stempelsylinder. Stempelstangen er forsynt med to innvendige kanaler som munner ut på hver sin side av stempelet. De nevnte kanaler munner ut ved stempelstangens indre ende, og kanalene er innrettet til å lede hydraulisk væske til og fra stempelsylinderen, idet stempelstangens indre ende er innrettet til å stå i forbindelse med en hydraulisk trykkilde.A telescope of the kind having a non-circular, preferably rectangular cross-section, wherein at least one telescopic joint is arranged to be displaceable by a hydraulic piston cylinder comprising a piston (15, 20), a piston rod (19, 24) and a cylinder. Movable telescopic joints are formed by hollow profiles (2, 4) having a circular barrel (5, 8) forming cylinder housings in the hydraulic piston cylinder. The piston rod is provided with two internal channels which open on each side of the piston. Said channels open at the inner end of the piston rod and the channels are arranged to direct hydraulic fluid to and from the piston cylinder, the inner end of the piston rod being arranged to communicate with a hydraulic pressure source.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO963153A NO963153L (en) | 1996-07-26 | 1996-07-26 | Telescope |
AU37885/97A AU3788597A (en) | 1996-07-26 | 1997-07-22 | Telescope |
PCT/NO1997/000191 WO1998004492A1 (en) | 1996-07-26 | 1997-07-22 | Telescope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO963153A NO963153L (en) | 1996-07-26 | 1996-07-26 | Telescope |
Publications (2)
Publication Number | Publication Date |
---|---|
NO963153D0 NO963153D0 (en) | 1996-07-26 |
NO963153L true NO963153L (en) | 1998-01-27 |
Family
ID=19899649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO963153A NO963153L (en) | 1996-07-26 | 1996-07-26 | Telescope |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU3788597A (en) |
NO (1) | NO963153L (en) |
WO (1) | WO1998004492A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1209264B (en) * | 1965-03-19 | 1966-01-20 | Beteiligungs & Patentverw Gmbh | Crane with a telescopic boom that can be raised and lowered |
DE1531276A1 (en) * | 1967-12-29 | 1969-12-18 | Toussaint & Hess Gmbh | Hydraulic drive for at least three-part telescopic boom, especially for cranes |
GB1213352A (en) * | 1968-01-18 | 1970-11-25 | Demag Baumaschinen Gmbh | Multiple telescopic jib for a crane |
US3795176A (en) * | 1971-10-26 | 1974-03-05 | Pettibone Corp | Boom-crowd cylinders with selective sequencing by solenoid valve |
CH596945A5 (en) * | 1975-12-09 | 1978-03-31 | Studer Ag Fritz |
-
1996
- 1996-07-26 NO NO963153A patent/NO963153L/en unknown
-
1997
- 1997-07-22 AU AU37885/97A patent/AU3788597A/en not_active Abandoned
- 1997-07-22 WO PCT/NO1997/000191 patent/WO1998004492A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
AU3788597A (en) | 1998-02-20 |
NO963153D0 (en) | 1996-07-26 |
WO1998004492A1 (en) | 1998-02-05 |
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