HIGH PRESSURE HOSE WITH 90amp;deg; ELBOW

摘要

PROBLEM TO BE SOLVED: To provide a high pressure hose easy to mount/demount on/from a valve in an engine compartment of a hydraulic shovel.;SOLUTION: The high pressure hose 5 with a 90° elbow comprises the 90° elbow as a cap tool provided at the end and a self-locking nut 7 rotatably fitted externally to a short pipe 6c at the upper part of a diameter enlarged portion 6d at the lower end of the elbow 6 and adapted to be threaded to the other male screw for pushing and sealing the diameter enlarged portion 6d at the lower end of the elbow 6 to the other side. An upper nut 9 is provided on the upper part of the elbow 6 and rotatably supported coaxially with the self-locking nut 7 in the state of facing the self-long nut 7. Circular racks 7a, 9a are engraved in the upper face of the self-locking nut 7 and in the lower face of the upper nut 9, respectively. On both side faces of the elbow 6, pinions 8 are rotatably supported for meshing with the racks 7a, 9a.;COPYRIGHT: (C)2006,JPO&NCIPI