Fully-assembled staircase system and assembly method

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United States of America Patent

PATENT NO 11692356
APP PUB NO 20220259864A1
SERIAL NO

17621423

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Abstract

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The present invention discloses a fully-assembled staircase system and an assembly method. The fully-assembled staircase system includes a stair slab, stair steps, stair stringers, landing slabs, steel connectors, and a stair handrail, where a main body of the stair slab is an inclined flat plate structure, lap joints are disposed at an upper end and a lower end of the stair slab LTB, an outer edge of an upper surface of the lap joint is provided with first grooves, one side of the landing slab PB is provided with second grooves, the stair stringer is an inverted T-shaped structure, a top surface of a web of the stair stringer is provided with third grooves, two flanges of the stair stringer are respectively fixedly lapped with the stair slab and the landing slab, the first groove, the third groove, and the second groove after the lapping jointly form a steel-connector groove.

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Patent Owner(s)

Patent OwnerAddress
CHANGZHOU VOCATIONAL INSTITUTE OF ENGINEERING213164 NO 33 GEHUZHONG ROAD WUJIN DISTRICT CHANGZHOU CITY JIANGSU PROVINCE CHANGZHOU CITY JIANGSU PROVINCE 213164

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Xu, Xiaoming Jiangsu, CN 56 216

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