Motorized vertical lift gate

Details Motorized vertical lift gate Motorized vertical lift gate

1994-05-24

1995-08-15

Redman, Jerry

Movable or removable closures

With operator for movably mounted closure

Operating lever or link and closure swing about parallel axes

49385, E05F 1124

Patent

active

054408385

ABSTRACT:
A motorized vertical lift gate whose operating mechanism is very compact, simple, and concealed inside a hollow gate post. Said gate comprises a plurality of horizontal rails arranged in a parallel fashion connected by vertical members and pivotally mounted at one end of the upper most rail to a gate post about which the gate pivots open to a true vertical position. The operating mechanism is activated by various ways, including remote control, vehicle detection, keyless entry, and manual switches.

REFERENCES:
patent: 1672723 (1928-06-01), McClary
patent: 2826840 (1958-03-01), Cooper et al.
patent: 3823510 (1974-07-01), Panaccione
patent: 3839826 (1974-10-01), Ries
patent: 4519164 (1985-05-01), Porter
patent: 4658543 (1987-04-01), Carr
patent: 5136810 (1992-08-01), DeWitt, III
patent: 5299386 (1994-04-01), Naegelli et al.

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