Anti-tip hinge device and method

Details Anti-tip hinge device and method Anti-tip hinge device and method

1992-10-05

1994-08-30

Cuda, Carmine

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Resiliently biased hinge

16375, 3123194, 126194, E05F 108, E05D 1106, F23M 700, A47B 8800

Patent

active

053415426

ABSTRACT:
An anti-tip hinge device for a door or a shelf, which is pivotally moved to obtain a horizontal cantilever position. The hinge device has a channel which fits into a sheath of and is connected to the door or shelf. A lever arm carries cam followers which engage a cam in the channel. The cam is supported in the channel by a pin and a spring located on opposite ends of the cam. The cam has a recess and a ramp disposed adjacent to the recess. When an overload is applied to the cantilever end of the door or shelf, the cam followers are disengaged from the recess of the cam, and push the cam inwardly within the channel at an angle to allow the door or shelf to be titled downwardly below the horizontal. This action interrupts the counterbalance spring effect on the door. A pin-hole arrangement resets the hinge device, and a lug-slot arrangement prevents the door from disengaging the hinge device.

REFERENCES:
patent: 3046974 (1962-07-01), Kimberley
patent: 3603658 (1971-09-01), Bergeson
patent: 3698781 (1972-10-01), Dunn
patent: 4096602 (1978-06-01), Nelson
patent: 5025776 (1991-06-01), Hanley et al.

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