Step for escalators
First Claim
1. A step comprising a metal portion having a top surface and a bottom surface and a plastic portion bonded to the top surface of the metal portion to form a stepping surface wherein the metal portion includes a plurality of through passages and plastic extends through the passage from the bottom surface to the top surface and wherein at least a portion of the stepping surface comprises a tread.
1 Assignment
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Accused Products
Abstract
The invention proposes a step for escalators comprising a tread and an arcuate skirt adjoining the tread, it being the case that the tread and the skirt have reinforcing ribs and/or reinforcing spars arranged on an inner surface for reinforcing purposes, and it being the case that a connecting structure for connecting the step to a drive arrangement is provided between a front edge region of the tread, as seen in the direction of travel, and a remote edge region of the skirt, it being possible for the step to be produced as a light-metal casting, and it being the case that the outer surface of the tread and of the skirt is formed from plastic by injection moulding.
62 Citations
13 Claims
- 1. A step comprising a metal portion having a top surface and a bottom surface and a plastic portion bonded to the top surface of the metal portion to form a stepping surface wherein the metal portion includes a plurality of through passages and plastic extends through the passage from the bottom surface to the top surface and wherein at least a portion of the stepping surface comprises a tread.
- 7. In an escalator comprising moveable step secured to a drive means, an escalator step comprising a metal portion having a top surface and a bottom surface and a plastic portion bonded to the top surface of the metal portion to form a stepping surface wherein the metal portion includes a plurality of through passages and plastic extends through the passage from the bottom surface to the top surface and wherein at least a portion of the stepping surface comprises a tread.
Specification