Patent ID: 11913271
Assignee: KASON INDUSTRIES, INC.
Field: Civil engineering (Other fields)
Classification: CPC E  F | IPC E  F

Claim 8:
9. A pivot hinge for coupling a refrigerator door to a doorjamb, the door closer comprising,
a tubular housing adapted to be coupled to a door;
a spring assembly mounted within said tubular housing, said spring assembly including a pivot pin rotatably coupled to said tubular housing, a collar non-rotatably fixed to said pivot pin, a helical spring having one end coupled to said tubular housing and another end coupled to said collar, and a first mounting plate coupled to said collar;
a first cam portion coupled to said tubular housing, and
a spring biased second cam portion coupled to said mounting plate for resistive engagement with said first cam portion to selectively restrict rotational movement of said tubular housing relative to said first mounting plate.