US3763862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement at a suction installation for medicinal hygienic and cosmetic purposes
Assignee: Duerr Dental SE
•
Filing: 1971-02-08
•
Granted: 1973-10-09
•
Expires: 1991-02-08
Abstract
Abstract A control arrangement in a suction system for medicine, hygienic or cosmetic purposes, in which a suction hose leading to a suction nozzle is adapted to be connected with a suction line leading to a suction unit producing a vacuum by way of a valve that includes a substantially vertically arranged valve diaphragm actuated with the aid of the vacuum prevailing in the suction line by way of a connecting line that includes a control valve having three connections and two positions; the valve is adapted to be controlled by the user and selectively establishes a communication between a valve control space and the suction line or atmosphere.
Inventors
- 👤 M Spieth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:56
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/06; A61C17/12; A61M; A61M1/00; A61C17/08; A61M1/71; A61M1/74; A61M1/741; A61M1/7413; A61M1/743
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
209 words
A control arrangement for use with a suction installation for medicinal, hygienic and cosmetic purposes with several suction hoses leading to suction nozzles by means of which suction media such as water, blood, saliva, tooth substances, hairs, etc. can be sucked off from the persons treated, which comprises at least one suction line means adapted to be connected to a suction unit producing a vacuum, at least one suction hose means leading to a suction nozzle means, and at least one fixedly positioned valve means arranged between the suction nozzle means and the suction unit which valve means includes closure means actuated with the aid of the vacuum prevailing in the suction line means, said closure valve means being formed by a diaphragm means fixedly disposed essentially vertically and being adapted to be shifted between at least one position in which the suction line means is opened and another position in which it holds the suction line means closed, said valve means including a valve outlet means and a valve control space means as well as a connecting line means controllable by the user and operatively connected between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium.
Claim 2
Dependent Claim
209 words
A control arrangement for use with a suction installation for medicinal, hygienic and cosmetic purposes with several suction hoses leading to suction nozzles by means of which suction media such as water, blood, saliva, tooth substances, hairs, etc. can be sucked off from the persons treated, which comprises at least one suction line means adapted to be connected to a suction unit producing a vacuum, at least one suction hose means leading to a suction nozzle means, and at least one fixedly positioned valve means arranged between the suction nozzle means and the suction unit which valve means includes closure means actuated with the aid of the vacuum prevailing in the suction line means, said closure valve means being formed by a diaphragm means fixedly disposed essentially vertically and being adapted to be shifted between at least one position in which the suction line means is opened and another position in which it holds the suction line means closed, said valve means including a valve outlet means and a valve control space means as well as a connecting line means controllable by the user and operatively connected between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium.
Claim 3
Dependent Claim
18 words
An arrangement according to claim 1, in which the diaphragm means closes in the direction of the flow.
Claim 4
Dependent Claim
32 words
An arrangement according to claim 1, in which the outlet aperture means of the valve means is arranged in a smooth valve housing surface against which abuts the diaphragm means during closing.
Claim 5
Dependent Claim
42 words
An arrangement with a valve housing means according to claim 1, in which the inlet line means of the valve means terminates in the valve housing means adjacent the outlet aperture means and the inlet flow is directed toward the diaphragm means.
Claim 6
Dependent Claim
24 words
An arrangement according to claim 4, characterized in that the inlet line means terminates in tHe valve housing means above the outlet aperture means.
Claim 7
Dependent Claim
39 words
An arrangement according to claim 1, including clamping means for the diaphragm means, and in which a valve outlet aperture means disposed in the lower portion is arranged in direct proximity to the clamping means for the diaphragm means.
Claim 8
Dependent Claim
43 words
An arrangement according to claim 1, including clamping means for the diaphragm means, and in which a valve outlet aperture means is constructed at least at one place extending directly to within proximity of the diaphragm clamping means at a lower portion thereof.
Claim 9
Dependent Claim
26 words
An arrangement according to claim 1, in which a valve housing wall provided with the inlet and outlet aperture means, is constructed of slightly conical shape.
Claim 10
Dependent Claim
28 words
An arrangement according to claim 8, in which the diaphragm means is constructed of conical shape in the portion thereof closing the valve openings in the normal position.
Claim 11
Dependent Claim
36 words
An arrangement according to claim 1, in which a valve housing wall that delimits a control space means is constructed of slightly conical shape and in which the connecting line means terminates at the cone apex.
Claim 12
Dependent Claim
64 words
An arrangement according to claim 1, wherein a three/two-way valve is connected in said connecting line means which is operable in one position to open the connecting line means and in the other is shiftable in such a manner that the valve control space means is connected with the atmosphere and the connecting line section leading to the suction line means is closed off.
Claim 13
Dependent Claim
50 words
An arrangement according to claim 11, wherein said three/two-way valve includes two closure disks disposed between two seats, of which the closure disk disposed nearest an actuating knob is securely connected with a plunger whereas the other closure disk is displaceably arranged on the plunger and intermediate two compression springs.
Claim 14
Dependent Claim
75 words
An arrangement according to claim 1, wherein the valve means includes a valve housing having an aperture means for the connection of the suction hose means arranged at an upper portion of the valve housing and an aperture means for the connection of the suction line means arranged at a lower portion of the valve housing, the diaphragm means extending in the vertical direction between the lower and upper aperture means of the valve housing.
Claim 15
Dependent Claim
230 words
A control arrangement for use with a suction installation for medicinal, hygienic and cosmetic purposes with several suction hoses leading to suction nozzles by means of which suction media such as water, blood, saliva, tooth substances, hairs, etc. can be sucked off from the persons treated, which comprises at least one suction line means adapted to be connected to a suction unit producing a vacuum, at least one suction hose means leading to a suction nozzle means, and at least one valve means between the suction nozzle means and the suction unit which includes closure means actuated with the aid of the vacuum prevailing in the suction line means, said closure valve means being formed by a diaphragm means disposed approximately vertically and being adapted to be shifted between at least one position in which the suction line means is opened and another position in which it holds the suction line means closed, said valve means including a valve outlet means and a valve control space means as well as a connecting line means controllable by the user and operatively connected between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium, two diaphragm valve means being arranged in one valve unit which selectively open and close the connection between a suction line means and two suction hose means.
Claim 16
Dependent Claim
230 words
A control arrangement for use with a suction installation for medicinal, hygienic and cosmetic purposes with several suction hoses leading to suction nozzles by means of which suction media such as water, blood, saliva, tooth substances, hairs, etc. can be sucked off from the persons treated, which comprises at least one suction line means adapted to be connected to a suction unit producing a vacuum, at least one suction hose means leading to a suction nozzle means, and at least one valve means between the suction nozzle means and the suction unit which includes closure means actuated with the aid of the vacuum prevailing in the suction line means, said closure valve means being formed by a diaphragm means disposed approximately vertically and being adapted to be shifted between at least one position in which the suction line means is opened and another position in which it holds the suction line means closed, said valve means including a valve outlet means and a valve control space means as well as a connecting line means controllable by the user and operatively connected between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium, two diaphragm valve means being arranged in one valve unit which selectively open and close the connection between a suction line means and two suction hose means.
Claim 17
Dependent Claim
75 words
An arrangement according to claim 14, in which the suction line means is connected with a suction channel extending in the rear area transversely to the valve housing, upwardly extending inlets being provided in front of the suction channel and separated therefrom by a partition wall, said inlets leading by way of elbow sectioNs to inlet aperture means provided laterally in the valve housing, and downwardly hanging suction hose means being connected with said inlets.
Claim 18
Dependent Claim
55 words
An arrangement according to claim 15, in which the housing which is formed of two sections and essentially consists of synthetic resinous material, is subdivided in an approximately horizontal separating plane extending substantially through the center of the valve unit, the diaphragm means being clamped by laterally attached cover means forming valve control space means.
Claim 19
Dependent Claim
18 words
An arrangement according to claim 14, in which one inlet has a larger cross section than another inlet.
Claim 20
Dependent Claim
291 words
An arrangement for a suction installation for medicinal, hygienic, and cosmetic purposes with several suction hoses leading to suction nozzles, by means which suction media such as water, blood, saliva, tooth substances, hair, etc., can be sucked off which, comprises at least one suction line means adapted to be connected with a unit producing a vacuum, at least one suction hose means leading to a suction nozzle means, and at least one valve means between the suction nozzle means and suction unit which includes closure means actuatable with the aid of the vacuum prevailing in the suction line means, said valve means being shiftable between at least one position in which the suction line means is opened and another position in which it holds the suction line means closed, said valve means including a valve outlet means and a valve control space means, and a connecting line means between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium, a three/two-way valve being connected in said connecting line means which is operable in one position to open the connecting line means and in the other is shiftable in such a manner that the valve control space means is connected with the atmosphere and the connecting line section leading to the suction line means is closed off, the three/two-way valve being so connected upon insertion of a suction nozzle holder means of the suction hose means that upon removal of the suction nozzle holder means the valve shifts to through-flow and upon insertion of the suction nozzle holder means connects the valve control space means with the atmosphere and closes off the connecting line section leading to the valve outlet means.
Claim 21
Dependent Claim
291 words
An arrangement for a suction installation for medicinal, hygienic, and cosmetic purposes with several suction hoses leading to suction nozzles, by means which suction media such as water, blood, saliva, tooth substances, hair, etc., can be sucked off which, comprises at least one suction line means adapted to be connected with a unit producing a vacuum, at least one suction hose means leading to a suction nozzle means, and at least one valve means between the suction nozzle means and suction unit which includes closure means actuatable with the aid of the vacuum prevailing in the suction line means, said valve means being shiftable between at least one position in which the suction line means is opened and another position in which it holds the suction line means closed, said valve means including a valve outlet means and a valve control space means, and a connecting line means between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium, a three/two-way valve being connected in said connecting line means which is operable in one position to open the connecting line means and in the other is shiftable in such a manner that the valve control space means is connected with the atmosphere and the connecting line section leading to the suction line means is closed off, the three/two-way valve being so connected upon insertion of a suction nozzle holder means of the suction hose means that upon removal of the suction nozzle holder means the valve shifts to through-flow and upon insertion of the suction nozzle holder means connects the valve control space means with the atmosphere and closes off the connecting line section leading to the valve outlet means.
Claim 22
Dependent Claim
56 words
An arrangement according to claim 18, in which a receiver means includes at least one mouth-like, forwardly open receiver opening for a suction nozzle holder means into which projects within the rear area thereof an actuating knob for a plunger of said valve shifting the three/two-way valve which the inserted suction nozzle holder means presses inwardly.
Claim 23
Dependent Claim
52 words
An arrangement according to claim 18, in which the receiver means is arranged directly over the valve housing means accommodating the diaphragm valve means, and the connecting line means between said valve and the suction line means and the valve control space means is arranged securely in valve housing and cover means.
Claim 24
Dependent Claim
30 words
An arrangement according to claim 18, in which two receiver openings for suction nozzle holder means, two three/two-way valves and two diaphragm valve means are provided in a valve unit.
Claim 25
Dependent Claim
157 words
An arrangement according to claim 18, in which a receiver means is arranged indirectly above a valve unit provided with the diaphragm valve means, whose housing is formed of two housing parts made from synthetic resinous material and is subdivided in an approximately horizontal separating plane, whereby the separating plane extends approximately through the center of the valve unit and the diaphragm means, and the diaphragm means are clamped by laterally attached cover means forming the valve control space means, the valves being arranged perpendicularly above the valve control space means, one of the connections of the valves taking place by way of a substantially vertical connecting line section whereas the other connection takes place by wAy of a substantially vertical connecting bore and a channel disposed in the partial plane between valve unit and receiver means, recessed in a seal means, and a bore extending in the valve housing upper part perpendicular to the suction channel.
Claim 26
Dependent Claim
228 words
An arrangement at a suction installation for medicinal, hygienic, and cosmetic purposes with several suction hoses leading to suction nozzles by means of which the suction media such as water, blood, saliva, tooth substances, hairs, etc., can be sucked off, comprising: at least one suction line means adapted to be connected to a suction unit producing a vacuum; at least one suction hose means leading to a suction nozzle means, and at least one valve means disposed between the suction nozzle means and suction unit, said valve means including closure means constructed as diaphragm means and actuated with the aid of the vacuum present in the suction line means, said closure means being shiftable between one position in which the suction line means is opened and another position in which it holds the suction line means closed, a valve control space means, a valve outlet means, and a connecting line means controllable by the user being provided between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium, means for shifting the closure means between the one and another position, and means for metering the suction output effective at the suction nozzle means for changing the position of the closure means in the open position of the valve means in which the suction line means is opened.
Claim 27
Dependent Claim
228 words
An arrangement at a suction installation for medicinal, hygienic, and cosmetic purposes with several suction hoses leading to suction nozzles by means of which the suction media such as water, blood, saliva, tooth substances, hairs, etc., can be sucked off, comprising: at least one suction line means adapted to be connected to a suction unit producing a vacuum; at least one suction hose means leading to a suction nozzle means, and at least one valve means disposed between the suction nozzle means and suction unit, said valve means including closure means constructed as diaphragm means and actuated with the aid of the vacuum present in the suction line means, said closure means being shiftable between one position in which the suction line means is opened and another position in which it holds the suction line means closed, a valve control space means, a valve outlet means, and a connecting line means controllable by the user being provided between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium, means for shifting the closure means between the one and another position, and means for metering the suction output effective at the suction nozzle means for changing the position of the closure means in the open position of the valve means in which the suction line means is opened.
Claim 28
Dependent Claim
31 words
An arrangement according to claim 23, characterized in that the means for adjusting the position of the closure means includes an adjustable throttle means operatively associated with the connecting line means.
Claim 29
Dependent Claim
35 words
An arrangement according to claim 23, characterized in that a branch control line connected with the control space means is provided which leads to an adjustable throttle means whose other connection leads into the atmosphere.
Claim 30
Dependent Claim
25 words
An arrangement according to claim 25, in which the auxiliary control line extends parallel to the suction hose means for whose control it is intended.
Claim 31
Dependent Claim
28 words
An arrangement according to claim 26, in which the auxiliary control line extends on the inside of the suction hose means and of a part fixedly connected therewith.
Claim 32
Dependent Claim
51 words
An arrangement according to claim 27, in which a suction nozzle holder means is provided at the suction hose means on the inside of which extends the auxiliary control line leading to a bore which is adapted to be closed either completely, partially, or not at all by a throttle means.
Claim 33
Dependent Claim
29 words
An arrangement according to claim 28, characterized in that the throttle means is formed by a longitudinally displaceable throttle slide member arranged on the outside of a mouthpiece holder.
Claim 34
Dependent Claim
194 words
An arrangement according to claim 27, in which the diaphragm valve means with a vertical arrangement of the diaphragm thereof is arranged in a valve unit consisting of two injection molded valve housing means made from synthetic resinous material and subdivided in an approximately horizontal center separating plane, said housing parts include a suction hose connecting stub projecting downwardly out of the valve housing lower part, an auxiliary control line being provided on the inside of the inlet line, which includes a downwardly projecting auxiliary line connecting stub projecting beyond the suction hose connecting stub, on which the hose-like portion of the auxiliary control hose is mounted, a connecting stub being provided at the valve housing lower part which is inserted sealingly into a vertical receiving bore of the valve housing upper part, a vertical bore adjoining said last-mentioned connecting stub within the valve housing upper part which is in communication by way of a channel arranged in a seal means disposed in the separating plane between valve unit and receiver means disposed directly above, and by waY of a bore provided in the laterally attached cover means, with the valve control space means.
Claim 35
Dependent Claim
281 words
A control arrangement for use with a suction installation for medicinal, hygienic and cosmetic purposes with several suction hoses leading to suction nozzels by means of which suction media such as water, blood, saliva, tooth substances, hairs, etc. can be sucked off from the persons treated, which comprises at least one suction line means adapted to be connected to a suction unit producing a vacuum, at least one suction hose means leading to a suction nozzle means, and at least one valve means between the suction nozzle means and the suction unit which includes closure means actuated with the aid of the vacuum prevailing in the suction line means, the valve means including a valve housing having a wall portion of substantially conical shape and having a first aperture means for the connection of the hose means and a second aperture means for the connection of the suction line means arranged at different parts of the conical wall portion, said closure valve means being formed by a diaphragm means adapted to be shifted with respect to the conical shaped wall portion between at least one position in which the suction line means is opened and another position in which it holds the suction line means closed, the diaphragm means having a conical shape for cooperating with the conical shaped wall portion in the position wherein the suction line means is closed, said valve means including a valve outlet means and a valve control space means as well as a connecting line means controllable by the user and operatively connected between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium.
Claim 36
Dependent Claim
281 words
A control arrangement for use with a suction installation for medicinal, hygienic and cosmetic purposes with several suction hoses leading to suction nozzels by means of which suction media such as water, blood, saliva, tooth substances, hairs, etc. can be sucked off from the persons treated, which comprises at least one suction line means adapted to be connected to a suction unit producing a vacuum, at least one suction hose means leading to a suction nozzle means, and at least one valve means between the suction nozzle means and the suction unit which includes closure means actuated with the aid of the vacuum prevailing in the suction line means, the valve means including a valve housing having a wall portion of substantially conical shape and having a first aperture means for the connection of the hose means and a second aperture means for the connection of the suction line means arranged at different parts of the conical wall portion, said closure valve means being formed by a diaphragm means adapted to be shifted with respect to the conical shaped wall portion between at least one position in which the suction line means is opened and another position in which it holds the suction line means closed, the diaphragm means having a conical shape for cooperating with the conical shaped wall portion in the position wherein the suction line means is closed, said valve means including a valve outlet means and a valve control space means as well as a connecting line means controllable by the user and operatively connected between the valve outlet means and the valve control space means on the side of the closure means opposite the suction medium.
Claim 37
Dependent Claim
30 words
An arrangement according to claim 31, wherein the first and second aperture means are arranged at opposite parts of the conical wall portion with respect to the cone apex thereof.
Claim 38
Dependent Claim
67 words
An arrangement according to claim 31, wherein the diaphragm means has a normal position in which the suction line means is closed, the diaphragm means having the conical shape construction at least in the portion thereof cooperating with the conical-shaped wall portion for closing off the first and second aperture means against the transmission of odors therethrough even when no vacuum is provided by the suction unit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |