Oil pressure auxiliary escape device of elevator
Ownerchiu nan Wanginventor
Life of this patent
Estimating the term…
Abstract
An elevator escape device comprises a pressure increasing apparatus and a pressure decreasing apparatus, which are located in the emergency window of an elevator cab and can be operated manually to activate an oil pressure cylinder of the oil pressure mechanism to drive an oil pressure cylinder of the oil pressure mechanism to drive the elevator cab to a desired floor at such time when the elevator cab is diabled by an incident, such as a fire, a power outage, and so forth.
Claims6
An elevator auxiliary escape device comprising a manually-operated pressure increasing apparatus and a manually-operated pressure decreasing apparatus, which are located in an emergency window of an elevator cab;
- wherein said pressure increasing apparatus is composed of a handle and a piston and is fastened at one end thereof with one end of an oil pipe, said oil pipe being fastened at another end thereof with a pressure increasing valve which is linked with one end of an oil pressure mechanism located over an oil tank;
- and wherein said pressure increasing apparatus and said pressure decreasing apparatus can be operated manually to activate an oil pressure cylinder of said oil pressure mechanism to drive said elevator cab at such time when said elevator cab is disabled by an incident, such as a fire, a power outage, etc.
Dependencies are inferred from the claim text.