Adjustable built-up stair

Details Adjustable built-up stair Adjustable built-up stair

1990-09-19

1992-08-04

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Stepped; e.g., stair

Interconnected relatively movable components

182228, E04F 1102

Patent

active

051348209

ABSTRACT:
A built-up stair assembly of includes a plurality of stair units, of which the angular position of each unit stair can be flexibly adjusted horizontally as well as vertically. Each stair unit includes a T-shaped plate mounted with a tread board and having a holder plate on the top and a socket on the bottom such that the holder plate of one stair unit can be inserted in the socket of another stair unit for connection in series. A handrail is laterally mounted on the top of the tread boards of the stair units when then are connected in series.

REFERENCES:
patent: 3089481 (1963-05-01), Hinden
patent: 3474882 (1969-10-01), Ernst
patent: 4557085 (1985-12-01), Yamazaki
patent: 4812094 (1989-03-01), Grube

Affiliated with

Also associated with

Rating

Adjustable built-up stair does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Adjustable built-up stair, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adjustable built-up stair will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-771541