Counterbalance linkage for a microwave oven door

Details Counterbalance linkage for a microwave oven door Counterbalance linkage for a microwave oven door

1975-02-14

1976-09-14

Grimley, Arthur T.

Electric heating

Metal heating

Of cylinders

49254, 126194, 312323, H05B 906

Patent

active

039808564

ABSTRACT:
A microwave oven has an up-opening oven door which is hinged to be movable in an arcuate path. The door moves between a closed lower position covering an aperture to the cooking cavity in the front surface of the oven cabinet and an open upper position above the aperture. The axis of this arcuate motion is adjacent the upper edge of the oven door and internal to the oven cabinet. Connecting arms extend from pivots within the cabinet through openings in the front surface of the oven cabinet, and connect to the oven door. To counterbalance spring biased linkage is fastened to the connecting arms and acts to bias the door to its open upper position when the door is opened beyond a neutral point.

REFERENCES:
patent: 3157176 (1964-11-01), Pearce et al.
patent: 3343904 (1967-09-01), Laug
patent: 3748423 (1973-07-01), Haagensen
patent: 3756219 (1973-09-01), Snyder et al.

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