ES236185U - Grua de pluma abatible perfeccionada. - Google Patents

Grua de pluma abatible perfeccionada.

Info

Publication number
ES236185U
ES236185U ES1978236185U ES236185U ES236185U ES 236185 U ES236185 U ES 236185U ES 1978236185 U ES1978236185 U ES 1978236185U ES 236185 U ES236185 U ES 236185U ES 236185 U ES236185 U ES 236185U
Authority
ES
Spain
Prior art keywords
boom
crane
translation
machine
legally binding
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.)
Granted
Application number
ES1978236185U
Other languages
English (en)
Other versions
ES236185Y (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrias Metalicas De Navarra S A
Original Assignee
Industrias Metalicas De Navarra S A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Industrias Metalicas De Navarra S A filed Critical Industrias Metalicas De Navarra S A
Priority to ES1978236185U priority Critical patent/ES236185Y/es
Publication of ES236185U publication Critical patent/ES236185U/es
Application granted granted Critical
Publication of ES236185Y publication Critical patent/ES236185Y/es
Expired legal-status Critical Current

Links

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  • Control Of Turbines (AREA)

Abstract

Grúa de pluma abatible perfeccionada, que siendo de las que la pluma se une articuladamente al cuerpo o estructura de la grúa, efectuándose el abatimiento de dicha pluma mediante un cilindro hidráulico convenientemente articulado a la estructura y cuyo vástago se une también articuladamente, a la pluma, estando dicho cilindro gobernado por una central electrohidráulica, esencialmente se caracteriza porque la aludida central electrohidráulica incorpora una bomba de caudal variable mediante la cual puede regularse la velocidad de los desplazamientos de la pluma, dentro de un campo de que extiende desde cero al valor nominal permitiendo arranques y paradas muy suaves, así como velocidades intermedias.
ES1978236185U 1978-05-22 1978-05-22 Grua de pluma abatible perfeccionada. Expired ES236185Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1978236185U ES236185Y (es) 1978-05-22 1978-05-22 Grua de pluma abatible perfeccionada.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1978236185U ES236185Y (es) 1978-05-22 1978-05-22 Grua de pluma abatible perfeccionada.

Publications (2)

Publication Number Publication Date
ES236185U true ES236185U (es) 1978-12-01
ES236185Y ES236185Y (es) 1979-04-16

Family

ID=8396822

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1978236185U Expired ES236185Y (es) 1978-05-22 1978-05-22 Grua de pluma abatible perfeccionada.

Country Status (1)

Country Link
ES (1) ES236185Y (es)

Also Published As

Publication number Publication date
ES236185Y (es) 1979-04-16

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Legal Events

Date Code Title Description
FD1K Utility model lapsed

Effective date: 20000503