Japan, Feb. 27 -- NIPPON SHARYO SEIZO KAISHA LTD has got intellectual property rights for 'PILE DRIVER.' Other related details are as follows:
Application Number: JP,2022-102724
Category (FI): E02F9/16@H,E02F9/20@K
Stage: PROBLEM TO BE SOLVED: To provide a pile driver having an operation device for simultaneously heightening habitability, operability and safety in driving operation.SOLUTION: A pile driver has an operation device imparting a lever operation signal to an operation control circuit, on the basis of tilt operation of operation levers 32a, 33a. The operation device has an operation mode changeover switch 36 switchable to a main operation mode for pile driving work and a sub-operation mode for adjusting inclination of a leader. The operation lever 33a consists of a joystick type lever operated in longitudinal and lateral directions from a neutral position, being gripped by an operator, and in the sub-operation mode, the operation in the longitudinal direction generates a lever operation signal to a leader raising and falling control valve for expanding and shrinking a leader raising and falling cylinder, and the operation in the lateral direction generates a lever operation signal to a leader tilting control valve for expanding and shrinking a leader tilting cylinder. The longitudinal and lateral directions of tilting operation of the operation lever and the longitudinal and lateral directions of swaying of the leader are associated with each other.SELECTED DRAWING: Figure 3 (Grant)
Filing Date: June 27, 2022
Publication Date: Jan. 15, 2024
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
