Spring gate

Details Spring gate Spring gate

1994-07-22

1995-03-21

Kannan, Philip C.

Movable or removable closures

With means mounting closure for swinging

With biasing means

49385, E05F 110, E05D 700

Patent

active

053984501

ABSTRACT:
Tension produced force is applied to a pivotally mounted gate to cause the gate to reside in a generally horizontal spring balanced position to close the gate, and/or tension produced force is applied to the gate to cause the gate to reside in a generally vertical spring balanced position to open the gate.

REFERENCES:
patent: 4270312 (1981-06-01), Courtis et al.
patent: 4381626 (1983-05-01), Courtis et al.
patent: 4470221 (1984-09-01), Courtis
patent: 4887393 (1989-12-01), Cysewski
patent: 4986031 (1991-01-01), Agnew et al.
patent: 5131187 (1992-07-01), Agnew et al.

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