AUTOMATIC SAFETY DEVICE OF TIERED STAND

PURPOSE:To enable tiers to be securely supported by locking the lock plates of a running portion below and the stopper rods of the tiers above, using retaining rollers behind the tiers to prevent unlocking of the stopper rods and bouncing of the tiers above, and making bearing rollers abut the botto...

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Bibliographische Detailangaben
1. Verfasser:	KATO SUEO
Format:	Patent
Sprache:	eng
Schlagworte:	BEDS BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CHAIRS COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FENCING FIXED CONSTRUCTIONS FURNITURE HUMAN NECESSITIES MASTS SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To enable tiers to be securely supported by locking the lock plates of a running portion below and the stopper rods of the tiers above, using retaining rollers behind the tiers to prevent unlocking of the stopper rods and bouncing of the tiers above, and making bearing rollers abut the bottom surfaces of the tiers above, for locking the entire stands. CONSTITUTION:When tiers 1 are pulled out forward and extended into a steplike configuration, the lock plates 2 of a running portion below are automatically locked to locks 3, and the stopper rods 4 of the tiers above are automatically locked to the bottom surfaces of the tiers 1 above. Behind the stopper rods 4, retaining rollers 6 are locked to brackets 5 located on the bottom surfaces of the tiers 1 above to effectively prevent unlocking of the stopper rods 4. Bearing rollers 7 mounted over the rear of each tier 1 are made to abut the bottom surfaces of the tiers 1 above, and the entire stands are completely locked by the running portion and the tires and securely supported.