Escalator advertising

Details Escalator advertising Escalator advertising

1996-04-24

1997-11-11

Bidwell, James R.

Conveyors: power-driven

With alarm or indicator

198333, B66B 2312

Patent

active

056854129

ABSTRACT:
A removable transparent cover plate for a sign to be attached to the riser (ie the vertical face) of an escalator step has a concealed screw-clamp fastening system. The riser is made with two movably engaged jaws, spring-biassed towards an open configuration and connected with a threaded rod by which they can be pulled together into a closed configuration, to hold the sign and transparent cover plate in place.

REFERENCES:
patent: 5176239 (1993-01-01), Findlay et al.
patent: 5411127 (1995-05-01), Findlay
patent: 5439090 (1995-08-01), Findlay

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