Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Including barrier mounted at landing
Reexamination Certificate
2007-09-04
2007-09-04
Crawford, Gene O. (Department: 3654)
Elevator, industrial lift truck, or stationary lift for vehicle
With barrier for regulating access to load support
Including barrier mounted at landing
C187S331000, C187S335000, C049S380000, C049S425000, C206S325000, C016S086100
Reexamination Certificate
active
11188182
ABSTRACT:
A system and method for installing an elevator door hatchway opening. The system comprises a steel square comprising a top piece, a bottom piece and left and right jambs, a door buck that is bolted to the steel square and at least one exterior hatchway door that is installed on a center portion of the steel square. The steel square is attached by at least one swing lock hinge to at least one elevator shaft way bracket while the steel square is angled outside of an elevator shaft way.
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Crawford Gene O.
Legum Steven G.
Matthews Terrell
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