Movable or removable closures – With operator for movably mounted closure – Operator drives closure along guide
Patent
1992-09-25
1993-11-16
Kannan, Philip C.
Movable or removable closures
With operator for movably mounted closure
Operator drives closure along guide
E05F 1154
Patent
active
052611876
ABSTRACT:
A sliding gate control device consisting of an elongated rack member that is resiliently mounted across the lower extremities of a sliding gate that is movable by guide structure, and a control unit mounted adjacent to the guideway actuatable to provide a pinion gear drive for engagement with said rack member thereby to slidably move the gate laterally across the right of way. Adjustable tension assemblies provide the resilient rack mounting that assures a continual positive rack/pinion engagement for reliable operation.
REFERENCES:
patent: 612565 (1898-10-01), Kaiser
patent: 1862932 (1932-06-01), Home
patent: 3691684 (1972-09-01), Boneck
patent: 4366649 (1983-01-01), Weigant
patent: 4858383 (1989-08-01), Kendig
Kannan Philip C.
Rescor (Renewable Energy Systems Corporation)
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