EP 0114584 A2 19840801 - Chain cutter excavator.
Title (en)
Chain cutter excavator.
Title (de)
Schneidkettengrabegerät.
Title (fr)
Excavateur à fraise en chaîne.
Publication
Application
Priority
IT 8331183 A 19830124
Abstract (en)
This invention concerns a cutter bucket (10) able to work in any kind of ground and to make ditches, trenches, wells, excavations for partition walls, etc. which comprises: - excavation means (12) consisting of two pairs of rotatable tools (13) having their axes parallel to each other and substantially parallel to the excavation face (24), such tools (13) being provided peripherally with means (26) to attack the earth, the means (26) to attack the earth of one pair of tools passing near the means (26) to attack the earth of the other pair, - hydraulic motor means (20) arranged above the excavation means (12), - chain means (25) driven by the hydraulic motor means (20) and driving the excavation means (12) by an inner gear wheel (15), the chain means (25) being provided with independent means (26) to attack the ground, and - pneumatic means (28) to withdraw debris, in which cutter bucket (10) the hydraulic motor means (20) comprise on their outer periphery ring gear means (23) to drive the chain means (25), and the means (26) to attack the ground, being supported by the chain means (25) and by the rotatable tools (13), form a substantially continuous excavation face (24) stretching at least to the periphery of the cutter bucket (10).
IPC 1-7
IPC 8 full level
E02D 17/13 (2006.01); E02F 3/10 (2006.01); E02F 3/20 (2006.01); E02F 3/92 (2006.01); E02F 5/02 (2006.01); E02F 5/06 (2006.01); E02F 5/20 (2006.01); E21B 4/16 (2006.01); E21B 11/06 (2006.01)
CPC (source: EP)
E02D 17/13 (2013.01); E02F 3/9237 (2013.01); E02F 5/06 (2013.01); E21B 4/16 (2013.01); E21B 11/06 (2013.01)
Designated contracting state (EPC)
BE DE FR GB
DOCDB simple family (publication)
EP 0114584 A2 19840801; EP 0114584 A3 19840829; EP 0114584 B1 19870513; DE 3371547 D1 19870619; IT 1209018 B 19890710; IT 8383311 A0 19830124; JP H0567734 B2 19930927; JP S59138615 A 19840809
DOCDB simple family (application)
EP 83830282 A 19831227; DE 3371547 T 19831227; IT 8331183 A 19830124; JP 963384 A 19840124