Back to results
US 6,796,084 B2Granted
Transportable, one piece modular, automatic entry gate
OwnerPierre Gagnoninventor
Life of this patent
Estimating the term…
Abstract
A one piece modular automatic lift gate comprising a lift stump, a lifting arm, at least one stanchion, a slab, a control box set inside a stanchion to house mechanical, electric and electronic components.
Claims3
A one piece modular automatic lift gate assembly comprising a one piece slab supporting and extending between a first and second stanchion, a control box set inside said first stanchion to house mechanical, electric and electronic components, a lift stump and a lifting arm to lift a gate,
- an arm stopper situated on said second stanchion set at an opposite end of said slab from said first stanchion for stopping, holding and locking said lifting arm at its lowered position,
- a stub to act as a stopper to said lifting arm when said lifting arm is in its raised position,
- said slab having a conduit running therethrough and within which said conduit runs electrical and electronic control wires,
- said conduit further comprised of an external wiring conduit extending therefrom,
- said control box having a motor, at least one electronic control board, drive chains, a pair of small gears, a first and second large gear,
- said second large gear having an axle, a pair of coil springs wrapped around said axle to act as counterweights with one on each side of said second large gear,
- a pair of gear stoppers and a pair of box stoppers affixed to said second large gear and the walls of the control box respectively to maintain tension on said coil springs.
4 more elements
Dependencies are inferred from the claim text.