Title:
ELEVATOR COMPENSATING CHAIN OIL SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/161402
Kind Code:
A1
Abstract:
Provided is an oil supply device that supplies oil to a compensating chain which connects between a counterweight and an elevator car that ascends/descends in a hoistway, wherein the oil supply device is characterized by comprising: a frame body that is provided in the hoistway, and that has a tank in which oil can be stored; an oil-impregnated body disposed so that at least a portion thereof contacts the compensating chain; an oil supply port that is provided from the frame body to the tank, and that guides the oil-impregnated body from the frame body into the tank and supplies oil to the compensating chain via the oil-impregnated body; a through hole that guides the oil-impregnated body, which has been inserted from the oil supply port and disposed through the inside of the tank, from the inside of the tank to the frame body; a retention means that retains, on the frame body, one side of the oil-impregnated body that is guided from the through hole to the frame body via the inside of the tank; and a support means that is provided to the frame body and that detachably supports the oil supply device on the chain.
Inventors:
INAYOSHI HIRONORI (JP)
Application Number:
PCT/JP2020/005225
Publication Date:
August 19, 2021
Filing Date:
February 12, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B7/06; B66B7/12
Domestic Patent References:
| WO2017048006A1 | 2017-03-23 |
Foreign References:
| JPH0761735A | 1995-03-07 | |||
| JP2010064863A | 2010-03-25 | |||
| JP2006206199A | 2006-08-10 | |||
| JPS54109871U | 1979-08-02 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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