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US 6,776,396 B2Granted
Hoisting device for an elevator
AssigneeTS Corporation
InventorsHiroyuki Miyoshi, Takashi Kuga
Life of this patent
Estimating the term…
Abstract
In a hoisting device for an elevator, a driving motor is made cylindrical, and a brake system is accommodated radially inwardly of the driving motor. The driving motor and the brake system overlap in a radial direction.
Claims4
A hoisting device for an elevator, comprising:
- a driving motor;
- and
- a brake system having therein two brake operating portions, said brake operating portions being operable to apply brake force to the driving motor independently from each other, said brake portions being operable to apply brake force in response to a single electromagnet such that if either brake is inoperable the other brake applies the brake force in response to the single electromagnet.
Dependencies are inferred from the claim text.