A pivoting staircase includes a pair of stringers and a tread extending between the stringers. A cleaning opening is defined at least partially by a lateral edge of the tread and a surface portion of an adjacent one of the pair of stringers. The cleaning opening is disposed between a pair of adjacent connection points of the tread and the adjacent one of the pair of stringers to provide a pathway for debris to fall laterally off of the tread.


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    Title :

    PIVOTING STAIRCASE


    Additional title:

    ESCALIER PIVOTANT


    Contributors:

    Publication date :

    2023-09-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS , Ausbau von Bauwerken, z.B. Treppen, Fußböden / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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