Stop mechanism for regulating the flow of gas to a gas grilling appliance and method of regulating
AssigneeThe Brinkmann Corporation
InventorRandall L. May
Life of this patent
Estimating the term…
Abstract
The present invention is embodied in a conversion kit for a gas grilling appliance with rotary valves that avoids the need to use either a sleeve inserted in the inner chamber of the regulating plug or interchangeable knobs on the valve shaft. The conversion kit comprises a regulating device for each valve that can be readily installed by removing the existing control knob, placing the regulating device on the valve shaft, and replacing the control knob. The regulating device cooperates with a stop structure on the control panel to limit rotation of the control knob, when converting the grilling appliance from one type of gas to another.
Claims24
A bezel/plate assembly for regulating the flow of gas to a gas grilling appliance having a control panel and a rotary valve, wherein the rotary valve has an actuating shaft, an external end of which extends through the control panel for mounting a control knob, the bezel/plate assembly comprising:
- a bezel adapted to be mounted on the control panel surrounding the external end of the actuating shaft;
- and
- a stop plate adapted to be received on the actuating shaft between the bezel and the control knob;
- wherein the bezel has a stop structure spaced laterally from the actuating shaft;
- and
- wherein the stop plate comprises
- an opening that is keyed to the actuating shaft so that the stop plate rotates with the actuating shaft,
- a first portion having a radial extent that clears the stop structure on the bezel when rotating,
- and a second portion having a radial extent that engages the stop structure on the bezel when rotating to limit the rotation of the control knob.
A bezel/plate assembly for regulating the flow of gas to a gas grilling appliance having a control panel and a rotary valve, wherein the rotary valve has an actuating shaft defining a longitudinal axis and having an external end that extends through the control panel for mounting a control knob, the bezel/plate assembly comprising:
- a bezel adapted to be mounted on the control panel surrounding the external end of the actuating shaft;
- and
- a stop plate adapted to be received on the actuating shaft between the bezel and the control knob;
- wherein the bezel has a stop structure spaced laterally from the actuating shaft;
- wherein the stop plate comprises
- an opening that is keyed to the actuating shaft so that the stop plate rotates with the actuating shaft,
- a first arcuate section having a radius less than the distance from the longitudinal axis of the actuating shaft to the stop structure on the bezel, and
- a second arcuate section having a radius greater than the distance from the longitudinal axis of the actuating shaft to the stop structure on the bezel;
- wherein the first arcuate section and second arcuate section meet at a juncture;
- and wherein the juncture of the first arcuate section and second arcuate section of the stop plate defines a shoulder configured to engage the stop structure on the bezel to limit rotation of the control knob.
A bezel/plate assembly for regulating the flow of gas to a gas grilling appliance having a control panel and a rotary valve, wherein the rotary valve has an actuating shaft, an external end of which extends through the control panel, the bezel/plate assembly comprising:
- a substantially planar stop plate comprising
- a hole defining an axis normal to the plane of the stop plate,
- a first planar section having a first outer radius extending outward from the axis, and
- a second planar section having a second radius greater than the first radius extending outward from the axis,
- wherein the hole is shaped to engage the actuating shaft external end and cause the stop plate to rotate with the actuating shaft, and
- wherein the second planar section defines a radially extending shoulder;
- and
- a bezel comprising
- a hole shaped to allow the actuating shaft external end to pass through the bezel without engaging the bezel, and
- stopping means extending outward from the bezel for engaging the shoulder of the stop plate and limiting the rotation of the actuating shaft.
A stop mechanism for regulating the flow of gas to a gas grilling appliance having a control panel and a rotary valve, wherein the rotary valve has an actuating shaft, an external end of which extends through the control panel for mounting a control knob, the stop mechanism comprising:
- a stop structure attached to the control panel and spaced laterally from the actuating shaft;
- and
- a stop plate adapted to be received on the actuating shaft between the control panel and the control knob;
- wherein the stop plate comprises
- an opening that is keyed to the actuating shaft so that the stop plate rotates with the actuating shaft,
- a first portion having a radial extent that clears the stop structure when rotating,
- and a second portion having a radial extent that engages the stop structure when rotating to limit the rotation of the control knob.
A stop mechanism for regulating the flow of gas to a gas grilling appliance having a control panel and a rotary valve, wherein the rotary valve has an actuating shaft defining a longitudinal axis and having an external end that extends through the control panel for mounting a control knob, the stop mechanism comprising:
- a stop structure attached to the control panel and spaced laterally from the actuating shaft;
- and
- a stop plate adapted to be received on the actuating shaft between the bezel and the control knob;
- wherein the stop plate comprises
- an opening that is keyed to the actuating shaft so that the stop plate rotates with the actuating shaft,
- a first arcuate section having a radius less than the distance from the longitudinal axis of the actuating shaft to the stop structure, and
- a second arcuate section having a radius greater than the distance from the longitudinal axis of the actuating shaft to the stop structure;
- wherein the first arcuate section and second arcuate section meet at a juncture;
- and wherein the juncture of the first arcuate section and second arcuate section of the top plate defines a shoulder configured to engage the stop structure to limit rotation of the control knob.
A stop mechanism for regulating the flow of gas to a gas grilling appliance having a control panel and a rotary valve, wherein the rotary valve has an actuating shaft, an external end of which extends through the control panel, the stop mechanism comprising:
- a substantially planar stop plate comprising
- a hole defining an axis normal to the plane of the stop plate,
- a first planar section having a first outer radius extending outward from the axis, and
- a second planar section having a second radius greater than the first radius extending outward from the axis,
- wherein the hole is shaped to engage the actuating shaft external end and cause the stop plate to rotate with the actuating shaft, and
- wherein the second planar section defines a radially extending shoulder;
- and stopping means extending outward from control panel for engaging the shoulder of the stop plate and limiting the rotation of the actuating shaft.
Dependencies are inferred from the claim text.