Back to results
US 7,264,089 B2Granted
Swing lock mechanism
AssigneeSteven G. Legum
InventorMichael Sergi
Life of this patent
Estimating the term…
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.
Claims16
A system for installing an elevator door hatchway opening comprising:
- a steel square comprising a top piece, a bottom piece and left and right jambs;
- a door buck that is attached to said steel square;
- and
- at least one exterior hatchway door that is installed on a center portion of said steel square, said steel square being attached by at least one swing lock hinge to at least one elevator shaft way bracket while said steel square is angled outside of an elevator shaft way.
1 more element
A method for installing an elevator door hatchway opening comprising:
- bolting a door buck to a steel square, said steel square comprising a top piece, a bottom piece and left and right jambs;
- installing at least one exterior hatchway door on a center portion of said steel square;
- and
- attaching said steel square by at least one swing lock hinge to at least one elevator shaft way bracket while said steel square is angled outside of an elevator shaft way.
1 more element
Dependencies are inferred from the claim text.