Global Patent Index - EP 0897893 A3

EP 0897893 A3 20000223 - Tractor pipelaying unit

Title (en)

Tractor pipelaying unit

Title (de)

Rohrverlegungseinheit für Traktor

Title (fr)

Unité de pose de tuyaux pour tracteur

Publication

EP 0897893 A3 20000223 (EN)

Application

EP 98306735 A 19980821

Priority

US 5620197 P 19970821

Abstract (en)

[origin: EP0897893A2] Improvements are made to prior tractors supported and driven by a rubber track (62) having bogie wheels (61) to increase the boom lifting capacity. The improvements include a main subframe having a loop-like structure which has a center section (74) extending under the tractor frame (70,72) midway between the front idler wheels (63) and rear drive wheels (65), two end sections (76,80) extending outwardly, one end section (76) supporting the drawworks (78) and the other end (80) supporting the tairlead (82). A rigid cross member extends from the fairlead (82) to the drawworks (78) and is positioned above the tractor frame (70,72) beneath the cab (106). <IMAGE>

IPC 1-7

B66C 23/62; B66C 23/44

IPC 8 full level

B66C 23/44 (2006.01); B66C 23/62 (2006.01)

CPC (source: EP)

B66C 23/44 (2013.01); B66C 23/62 (2013.01)

Citation (search report)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 0897893 A2 19990224; EP 0897893 A3 20000223; AU 8078598 A 19990304; CA 2245392 A1 19990221

DOCDB simple family (application)

EP 98306735 A 19980821; AU 8078598 A 19980819; CA 2245392 A 19980820