Rail brake apparatus for a linear motor elevator

Details Rail brake apparatus for a linear motor elevator Rail brake apparatus for a linear motor elevator

1994-09-01

1996-05-21

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific means contacting or on load support for...

Includes movable contact component on support for engaging...

188171, B66B 504

Patent

active

055180876

ABSTRACT:
A rail brake apparatus for a linear motor elevator includes mating magnetic cores with coils and spring, brake arms connected with magnetic cores and pivotally engaged with a shaft, linings disposed at both ends of the brake arms for braking a guide rail, thereby reducing the weight of the magnetic units, balancing both magnets in its weight, and obtaining the same pulling force in both magnetic cores. In addition, it further includes a gap maintaining apparatus for maintaining a predetermined gap the upper and the lower magnetic cores, thereby reducing an impact noise occurred during pulling each other and preventing friction due to the slip of the lining, so that the car of the elevator can precisely stop at a desired location.

REFERENCES:
patent: 3160240 (1964-12-01), Harding, Sr. et al.
patent: 5014828 (1991-05-01), Baldassarre
patent: 5253738 (1993-10-01), Vertesy et al.

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