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US 12,178,382 B2Granted
Central vacuum system and inlet valves therefor
AssigneeH-P Products, Inc.
InventorsDarrell V. Nieschwitz, Greg A. Calderone, Shawn C. Metz
Life of this patent
Estimating the term…
Abstract
A central vacuum cleaning system includes an inlet valve mounted at various locations in a structure or RV and connected to the inlet end of a vacuum conduit. A section of hose is slidably mounted within the conduit and extends from the inlet valve for cleaning an adjacent area. The hose includes a hose plug of cuff connected with a distal end of the hose. The hose plug includes an annular channel and a cam to move a pin or button on the valve. The hose plug or cuff may also include a first seal and a second seal.
Claims20
A device for connection with a hose end, the device comprising:
- a first end opposite a second end defining a longitudinal direction therebetween, and the second end adapted to connect with the hose end, and the device adapted to be coupled with a vacuum valve;
- a longitudinal axis extending from the first end to the second end;
- a cylindrical wall extending longitudinally between the first end and the second end, the cylindrical wall defining an interior bore adapted to receive vacuumed debris therethrough, and the cylindrical wall defining an annular channel extending at least partially circumferentially around the longitudinal axis;
- and
- a first cam adjacent the annular channel and the first cam having first and second sloped surfaces extending between the cylindrical wall and a first outer apex, each of the first and second sloped surfaces and the first outer apex collectively defining a generally inverted V-shaped configuration, wherein the first cam is adapted to depress a first button on the vacuum valve.
2 more elements
A device for connection with an end of a vacuum hose, the device comprising:
- a first end opposite a second end defining a longitudinal direction therebetween, and the second end adapted to connect with the end of the vacuum hose, and the device adapted to be coupled with a vacuum valve box;
- a longitudinal axis extending from the first end to the second end;
- a cylindrical wall extending longitudinally between the first end and the second end, the cylindrical wall defining an interior bore adapted to receive vacuumed debris therethrough, and the cylindrical wall defining an annular channel extending at least partially circumferentially around the longitudinal axis;
- a first cam adjacent the annular channel and having first and second sloped walls extending between the cylindrical wall and a first outer apex, each of the first and second sloped walls and the first outer apex collectively defining a generally inverted V-shaped configuration, wherein the first cam is adapted to depress a first button on the vacuum valve box;
- and
- a slot formed in the cylindrical wall in communication with the annular channel.
3 more elements
A device for connection with a hose end, the device comprising:
- a first end opposite a second end defining a longitudinal direction therebetween, and the second end adapted to connect with the hose end and the first end adapted to connect with a vacuum valve;
- a longitudinal axis extending from the first end to the second end;
- a cylindrical wall extending longitudinally between the first end and the second end, the cylindrical wall defining an interior bore adapted to receive vacuumed debris therethrough, and the cylindrical wall defining an annular channel extending at least partially circumferentially around the longitudinal axis;
- a first cam adjacent the annular channel and having first and second sloped walls extending between the cylindrical wall and a first outer apex, each of the first and second sloped walls and the first outer apex collectively defining a generally inverted V-shaped configuration, wherein the first cam is adapted to depress a first button on the vacuum valve, and wherein the first cam is at least partially disposed within the annular channel;
- and
- a second cam adjacent the annular channel and having third and fourth sloped walls extending between the cylindrical wall and a second outer apex, each of the third and fourth sloped walls and the second outer apex collectively defining an inverted V-shaped configuration, wherein the second cam is adapted to depress a second button on the vacuum valve, and wherein the second cam is at least partially disposed within the annular channel.
3 more elements
Dependencies are inferred from the claim text.