Knob assembly for cook top
AssigneeLG Electronics Inc.
InventorYeonsik Ha
Life of this patent
Estimating the term…
Abstract
A knob assembly includes a front panel, a knob located at a front side of the front panel and configured to rotate based on operation by a user, a knob shaft that is coupled to the knob and that extends through the front panel, a supporting pipe that receives the knob shaft and that supports the knob shaft, the supporting pipe being configured to maintain a position relative to the front panel, a valve configured to control supply of gas to the appliance, a valve shaft connected to the valve and configured to control the valve to adjust a flow rate of gas based on rotation of the valve shaft, and a joint that couples the knob shaft to the valve shaft and that is configured to transfer at least one of a rotational motion or a linear motion of the knob shaft to the valve shaft.
Claims20
A knob assembly for an appliance, comprising:
- a support frame configured to be fastened to a front panel of the appliance;
- a knob ring configured to be disposed at a front side of the front panel and configured to be rotated by a user;
- a knob configured to be disposed at the front side of the front panel and configured to be rotated by a user independently of a rotation of the knob ring;
- and
- an actuating member that is rotatably supported by the support frame, configured to be attached to the knob ring through the front panel, and configured to rotate together with the knob ring relative to the support frame,
- wherein the knob includes a knob shaft that axially extends away from the knob, and
- wherein the knob ring includes a sleeve portion that axially extends and circumferentially surrounds the knob shaft to rotatably support the knob shaft.
An appliance comprising a knob assembly and a front panel defining appearance of the appliance, the knob assembly comprising:
- a support frame that is fastened to a rear side of the front panel;
- a knob ring that is disposed at a front side of the front panel and is configured to rotated by a user;
- an actuating member that is provided at the rear side of the front panel and is rotatably supported by the support frame, the actuating member is coupled to the knob ring through the support frame and configured to rotate together with the knob ring relative to the support frame;
- and
- a knob that is disposed at the front side of the front panel and configured to be rotated by a user independently of a rotation of the knob ring, the knob being rotatably supported by the knob ring,
- wherein the support frame is configured to restrict a clockwise rotation of the knob ring and the actuating member to a first preset angle, and
- wherein the support frame is configured to restrict a counterclockwise rotation of the knob ring and the actuating member to a second preset angle that is different from the first preset angle.
Dependencies are inferred from the claim text.