Title:
HYDRAULIC ELEVATOR
Document Type and Number:
Japanese Patent JP2020117321
Kind Code:
A
Abstract:
To reduce leakage from an oil tank top even if a hydraulic oil in the oil tank shakes due to an earthquake, etc. for a hydraulic elevator.SOLUTION: A hydraulic elevator comprises a rectangular oil tank 1 to store hydraulic oil. The oil tank comprises an oil return part 11 attached to a lid mounting part on the upper part of a side plate in a longitudinal direction of the oil tank 1. The oil return part 11 is an oil leakage prevention plate which extends into the oil tank at the side plate upper part in the longitudinal direction of the oil tank 1 and comprises a bent part fixed to the lid mounting part with a bolt 8.SELECTED DRAWING: Figure 1
Inventors:
KUBO TERUMASA
MATSUMOTO TATSUYA
SAKOTA TOMOJI
MATSUMOTO TATSUYA
SAKOTA TOMOJI
Application Number:
JP2019007524A
Publication Date:
August 06, 2020
Filing Date:
January 21, 2019
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B66B9/04
Domestic Patent References:
| JPH09118389A | 1997-05-06 | |||
| JPH1111828A | 1999-01-19 | |||
| JPH09188391A | 1997-07-22 |
Foreign References:
| US5346371A | 1994-09-13 | |||
| CN2753914Y | 2006-01-25 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation