Global Patent Index - EP 1080631 A2

EP 1080631 A2 2001-03-07 - Tree grid system

Title (en)

Tree grid system

Title (de)

Baumrostsystem

Title (fr)

Système de grille pour arbre

Publication

EP 1080631 A2 (DE)

Application

EP 00117418 A

Priority

DE 19940911 A

Abstract (en)

[origin: DE19940911C1] The grid structure has adjacent grid sections (1) coupled together in dependence on the size of the surface to be covered via couplings (7) with coupling parts (8) attached to the grids and a cooperating coupling element (9) fitted to the coupling parts and rotated into the locking position, by bringing an annular groove (37) in the head of the coupling element into cooperation with ribs (13) provided by the coupling parts.

Abstract (de)

Ein Baumrostsystem zum Abdecken von Baumscheiben besteht aus mehreren Rostabschnitten (1), die durch Kupplungen (7) zu einem selbsttragenden Baumrost verbunden sind. Die Kupplungen (7) bestehen aus zwei festen, an den Rostabschnitten (1) ausgebildeten Kupplungsteilen (8) und einem zwischen diese einsteckbaren und danach in eine Verriegelungsstellung drebaren Kupplungsteil (9). An der Oberseite der festen Kupplungsteile (8) ist eine ringförmige Rippe (13) und an der Unterseite eines Kopfes (33) des drehbaren Kupplungsteils (9) eine mit der Rippe (13) korrepondierende ringförmige Nut (37) ausgebildet, wodurch schon beim Einsetzen des drehbaren Kupplungsteils (9) zwischen die festen Kupplungsteile (8) eine provisorische horizontal gerichtete Haltewirkung erzielt wird. Beim Drehen in die Verriegelungsstellung rutschen am drehbaren Kupplungsteil (9) ausgebildete Zähne (45) über eine mit einer Riffelung (28) versehene rampenartige Klemmfläche (25) der festen Kupplungsteile (8). Dadurch wird das drehbare Kupplungsteil (9) reib- und formschlüssig in der Verriegelungsstellung arretiert, wodurch verhindert wird, daß es sich selbsttätig lösen kann. <IMAGE>

IPC 1-7 (main, further and additional classification)

A01G 13/00; E01C 9/00

IPC 8 full level (invention and additional information)

E01C 9/00 (2006.01)

CPC (invention and additional information)

E01C 9/005 (2013.01)

Citation (applicant)

DE 3029590 C2 19890615

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19940911 C1 20010125; AT 272747 T 20040815; EP 1080631 A2 20010307; EP 1080631 A3 20020626; EP 1080631 B1 20040804

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