Moving work floor push-up expansion floor device

Details Moving work floor push-up expansion floor device Moving work floor push-up expansion floor device

1996-02-07

1998-02-10

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Traversing, track-mounted

With occupant elevating or lowering means

182141, E04G 300

Patent

active

057159068

ABSTRACT:
A push up expansion floor for providing a work floor is adjustable and mounted on vertical square shafts. The floor can move up and down on the shafts, can be locked in place on the shafts, and has adjustable extension members for increasing floor area above vertical shafts. The floor is moved up and down on the vertical shafts by means of a wire rope and is locked in place by means of bolts. Rising above the moving work floor is an expansion floor. The expansion floor raises up on the vertical shaft 17 while the moving work floor rolls on rollers at the bottom of separate floor supports.

REFERENCES:
patent: 3516512 (1970-06-01), Kupke
patent: 3517771 (1970-06-01), Mahringer
patent: 5551528 (1996-09-01), Vieito

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