# US 10,370,222 B2 · Ropeless elevator system and a transfer system for a ropeless elevator system

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- Number: US 10,370,222 B2
- Document ID: US10370222B2
- Status: Granted
- Kind: B2
- Application number: 15/209,240
- Filed: 2016-07-13
- Published: 2017-01-19
- Granted: 2019-08-06
- Earliest claimed: 2015-07-16
- Assignees: Otis Elevator Company
- Applicants: Otis Elevator Company
- Inventors: Richard N. Fargo
- Web page: https://patentgrep.com/patent/US10370222B2

## CPC

- B66B 9/003: {for lateral transfer of car or frame, e.g. between vertical hoistways or to/from a parking position}
- B66B 11/0407: {actuated by an electrical linear motor (in the counterweight B66B17/12)}
- B66B: ELEVATORS; ESCALATORS OR MOVING WALKWAYS ({apparatus for raising or lowering persons on theatrical stages or the like A63J5/12} ; funicular railbound systems with rigid ground-supported tracks and cable traction, e.g. cliff railways, B61B9/00; arrangements of ammunition handlers in vessels B63G3/00; hoists, lifts, or conveyors for loading or unloading in general B65G; braking or detent devices controlling normal movements of winding drums or barrels B66D; ship-lifting devices E02C; garages for many vehicles with mechanical means for lifting vehicles E04H6/12; hoists for feeding ammunition or projectiles to launching apparatus or to loading mechanisms F41A9/00)

## Abstract

A ropeless elevator system includes a first lane, a second lane disposed adjacent to the first lane, and an elevator car moveable within each of the first lane and the second lane. A transfer system is configured to facilitate movement of the elevator car from one of the first lane and the second lane to the other of the first lane and the second lane. The transfer system includes a first transfer assembly arranged in at least one of the first and second lanes. The first transfer assembly is configured to guide the elevator car out of the one of the first and second lanes. A transfer station includes a second transfer assembly configured to receive the elevator car from the first transfer assembly. The second transfer assembly extends between the first and second lanes.

## Claims

### Claim 1

A ropeless elevator system comprising:
a first lane;
a second lane disposed adjacent to the first lane;
an elevator car moveable within each of the first lane and the second lane; and
a transfer system configured to facilitate movement of the elevator car from one of the first lane and the second lane to the other of the first lane and the second lane, the transfer system comprising:
a first transfer assembly arranged in at least one of the first and second lanes, the first transfer assembly being configured to guide the elevator car out of the one of the one of the first and second lanes; and
a transfer station including a second transfer assembly configured to receive the elevator car from the first transfer assembly, the second transfer assembly extending between the first and second lanes;
a guide structure extending along one of the first and second lanes and at least one roller assembly mounted to the elevator car, the roller assembly including at least one pivot arm supporting one or more rollers that selectively engage with the guide structure, the pivot arm configured to disengage the roller assembly from the guide structure to allow the elevator car to enter the transfer station.

### Claim 2 (depends on 1)

The ropeless elevator system according to claim 1, wherein the first transfer assembly includes at least one selectively deployable transfer system arranged in the at least one of the first and second lanes.

### Claim 3 (depends on 2)

The ropeless elevator system according to claim 2, wherein the at least one selectively deployable transfer system includes a first selectively deployable conveyor and a second selectively deployable conveyor.

### Claim 4 (depends on 2)

The ropeless elevator system according to claim 2, wherein the at least one selectively deployable transfer system includes a first selectively deployable transfer system arranged in the first lane and a second selectively deployable transfer system arranged in the second lane.

### Claim 5 (depends on 2)

The ropeless elevator system according to claim 2, wherein the at least one selectively deployable transfer system includes a first selectively deployable transfer system arranged in the first lane and a second selectively deployable transfer system arranged in the first lane vertically spaced from the first selectively deployable transfer system.

### Claim 6 (depends on 1)

The ropeless elevator system according to claim 1, wherein the second transfer assembly includes a first transfer system extending along a first axis generally horizontally from the one of the first and second lanes and a second transfer system extending along a second axis generally perpendicularly relative to the first axis.

### Claim 7 (depends on 6)

The ropeless elevator system according to claim 6, wherein the first transfer system includes at least one first conveyor assembly and the second transfer system includes at least one second conveyor assembly.

### Claim 8 (depends on 7)

The ropeless elevator system according to claim 7, wherein the at least one first conveyor assembly is selectively vertically adjustable relative to the at least one second conveyor assembly.

### Claim 9 (depends on 8)

The ropeless elevator system according to claim 8, wherein the at least one second conveyor assembly is selectively vertically adjustable relative to the at least one first conveyor assembly.

### Claim 10 (depends on 1)

The ropeless elevator system according to claim 1, wherein the transfer station is horizontally off-set relative to each of the first and second lanes.

### Claim 11 (depends on 1)

The ropeless elevator system according to claim 1, further comprising: a linear motor system including a fixed portion mounted in at least one of the first lane and the second lane, and a moving portion mounted to the elevator car, the moving portion being configured and disposed to disengage the fixed portion during horizontal movement of the elevator car from the one of the first and second lanes.
