Title:
MANAGING SYSTEM FOR RENTAL WORKING MACHINE
Document Type and Number:
Japanese Patent JP3485378
Kind Code:
B2
Abstract:
PURPOSE: To provide a managing system for rental working machine with which the management of a rational charge system and efficient rental business can be executed.
CONSTITUTION: A working machine to be lent is provided with a controller 1, lever sensor 21 and control part 3, and the control part 3 is connected to a communication control part 51 of a rental company 5 by radio and a cable. A set value memory 36 stores a set value concerning the integrated value (work amount) of operation lever operation time decided at the time of a rental contract. A non-volatile memory 35 stores data for judging the presence/absence of abnormality in the working machine. When the integrated time of ON signals from the lever sensor 21 exceeds the value stored in the set value memory 36 or any abnormality is generated, this is transmitted to the managing part of the rental company 5, the command of operation limit from a managing part 52 is reversely transmitted and corresponding to this command, the controller 1 lowers the maximum value of the fuel jetting quantity of an engine so that any work can not be practically executed.
Inventors:
Kazuhiro Sugawara
Hisayoshi Hashimoto
Hisayoshi Hashimoto
Application Number:
JP7187795A
Publication Date:
January 13, 2004
Filing Date:
March 29, 1995
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
G01D4/08; G06Q30/06; G06Q50/00; G06Q50/08; G06Q50/10; G07C3/08; (IPC1-7): G07C3/08; G01D4/08; G06F17/60
Domestic Patent References:
| JP4205591A | ||||
| JP3255466A | ||||
| JP5996339A | ||||
| JP59172088A | ||||
| JP612546A | ||||
| JP5871866U |
Attorney, Agent or Firm:
Kenjiro Take (1 person outside)