Central vacuum system wall valve
First Claim
Patent Images
1. A wall valve for use with a central vacuum system comprising;
- a) a valve port for communicating with said central vacuum system;
b) means for mounting said wall valve in a room wall having an exposed planar surface; and
c) a valve door covering said valve port, having a surface suitable for engagement by a suction hose, and pivoting on an axis perpendicular to said planar surface of said wall.
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Accused Products
Abstract
A central vacuum system wall valve is described which includes a valve cap capable of being pivotally cammed to open position by its interaction with the roomside hose as this hose is moved to inserted position within the wall valve.
31 Citations
21 Claims
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1. A wall valve for use with a central vacuum system comprising;
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a) a valve port for communicating with said central vacuum system; b) means for mounting said wall valve in a room wall having an exposed planar surface; and c) a valve door covering said valve port, having a surface suitable for engagement by a suction hose, and pivoting on an axis perpendicular to said planar surface of said wall. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A wall valve for use with a central vacuum system comprising;
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a) a valve port for communicating with said central vacuum system; b) means for mounting said wall valve in a room wall having an exposed planar surface; and c) a valve door covering said valve port, having a surface suitable for engagement by a suction hose, pivoting on an axis perpendicular to said planar surface of said wall, and moving inwardly and outwardly along said perpendicular axis when said valve door is turned. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A spacing plate utilizable with a wall mounted valve for a central vacuum system including;
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a) said wall valve including a front plate having boss like engagements on its rear side, b) said spacer plate having boss like engagements on at least one of its sides; c) said bosses on said front plate and on said spacer plate being aligned and equally spaced, d) at least some of said bosses on said spacer plate and said front plate being hollow and larger than the remainder of said bosses, e) said smaller bosses capable of fitting telescopically into said hollow larger bosses, f) said bosses being alignable at least two ways, with said small and large bosses on said front plate and spacing plate abutting and with said small bosses received telescopically in said large bosses, g) whereby said spacing plate and said front plate, when assembled, may have at least two thicknesses. - View Dependent Claims (20, 21)
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Specification