Hydraulically operated hand appliance for personal hygiene
閱讀：160發(fā)布：2023-11-13
專利匯可以提供Hydraulically operated hand appliance for personal hygiene專利檢索，專利查詢，專利分析的服務(wù)。并且A unitary hand appliance, driven by a source of liquid pressure pulses, alternatively oscillates an appliance head such as a toothbrush head or supplies liquid pressure pulses to an appliance head such as a water jet head. The appliance is controlled for either type of operation by a manually operated control ring at the front end thereof which controls valve means toward the rear of the appliance. Advantageously a two-tube recirculating appliance is employed, and the control means is designed so that the appliance can also be turned on and off by the front control ring. The control mechanism and appliance heads may be designed to insure proper positioning of the control ring for each type of appliance head.，下面是Hydraulically operated hand appliance for personal hygiene專利的具體信息內(nèi)容。
1. A hand appliance for personal hygiene, for use with appliance heads requiring alternatively an oscillating drive and liquid pressure pulses, and driven by a source of liquid pressure pulses, said hand appliance comprising a. an elongated casing forming a handle, b. flexible conduit means for connecting said casing with said source of liquid pressure pulses, c. an output member mounted near the front end of said casing for oscillating an appliance head attached thereto and having an opening for supplying liquid pressure pulses to an appliance head attached thereto, d. an hydraulic motor in said casing actuable by liquid pressure pulses for oscillating said output member, e. conduit means in said casing for delivering liquid pressure pulses to said output member, f. control valve means in said casing positioned substantially rearwardly of the front end of the casing and controllable to supply liquid pressure pulses from said flexible conduit means alternatively to actuate said hydraulic motor and to supply the pressure pulses to said conduit means in the casing, g. a manually actuable control member mounted at the front end of said appliance and adapted for longitudinal movement relative thereto, h. and a connecting member within the casiNg connecting said control member and control valve means for actuation of the valve means to alternative positions thereof in response to actuation of the control member.
2. A hand appliance according to claim 1 in which said control member and connecting member are slidably mounted for longitudinal movement with respect to said casing.
3. A hand appliance according to claim 2 including a forwardly opening socket at the front end of said appliance having an internal groove for receiving detent means of an appliance head and retaining the head against forward axial displacement.
4. A hand appliance according to claim 3 in which said socket is fixed with said casing, and said output member includes a hollow axially projecting tubular member having at least a portion of the outside thereof radially non-symmetrical for rotationally oscillating an appliance head fitting therewith.
5. A hand appliance according to claim 1 in which said hydraulic motor includes a longitudinally extending piston cylinder and a piston reciprocating therein, and including a conduit in said casing for connecting said flexible conduit means to the head of said piston cylinder, said control valve means including a port extending laterally through the wall of said piston cylinder, an annular valve section encircling the wall of said cylinder in the region of said port, and a pair of longitudinally spaced annular sealing members for sealing said valve section and cylinder wall, said valve section being movable longitudinally to alternatively seal off liquid flow through said port and allow flow from said port to said conduit means delivering liquid pressure pulses to said output member.
6. A hand appliance according to claim 5 in which said manually actuable control member is an annular control member mounted at the front end of said appliance, and a generally cylindrical sleeve slidable between the wall of the casing and said piston cylinder and joining said annular control member and said annular valve section.
7. A hand appliance according to claim 1 in which said flexible conduit means includes a discharge conduit for discharging liquid from said casing, and including a return conduit in said casing connected to said discharge conduit, said control valve means including means for returning liquid pressure pulses from said source to said return conduit.
8. A hand appliance according to claim 5 in which said flexible conduit means includes a return conduit for returning liquid pressure pulses to said source, and including a return conduit in said casing connected to the return conduit in said flexible conduit means and having a return port extending laterally through the wall of said piston cylinder, said valve section being movable longitudinally to connect the first-mentioned port to said return port to thereby recirculate incoming liquid pressure pulses back to said source.
9. A hand appliance in accordance with claim 3 in combination with a combined toothbrush and water jet attachment having a spring member with a detent near the shank end thereof, said internal groove and said detent having matching serrated surfaces for oscillating said attachment, a second internal groove in said control member and an external projection on said spring member designed and adapted to hold said attachment in said socket with said serrated surfaces in engagement, and a third smaller internal diameter groove in said control member engageable with said external projection upon sliding said control member for disengaging said serrated surfaces while retaining the detent in the first-mentioned groove, and shoulder means on said attachment for depressing said spring member to disengage said detent from the first-mentioned groove and allow withdrawal of the attachment.
10. A hand appliance according to claim 1 in which said output member includes a hollow axially projecting tubular member having at least a portion of the outside thereof radially non-symmetrical for rotationally oscillatinG an appliance head fitting therewith, and annular means radially spaced from said tubular member and fixed with respect to said casing for cooperating with detent means of an appliance head and retaining the head against forward axial displacement.
11. A hand appliance according to claim 7 in which said control valve means is designed and adapted to return said liquid pulses to said return conduit in the rearward position of said control member, to actuate said hydraulic motor in the intermediate position of the control member, and to supply pressure pulses to said conduit means for delivering pulses to the output member in the forward position of the control member.
12. A hand appliance according to claim 11 in which said output member includes a hollow axially projecting tubular member having at least a portion thereof radially non-symmetrical, and annular means radially spaced from said tubular member and fixed with respect to said casing for cooperating with detent means of an appliance head and retaining the head against forward axial displacement.
13. The combination of a hand appliance according to claim 12 and a toothbrush head attachment having detent means cooperating with said annular means, said toothbrush attachment having a radially extending shoulder positioned for abutment by said manual control member in the intermediate position thereof and prevent movement to the forward position thereof.
14. The combination of a hand appliance according to claim 12 and a jet nozzle attachment having detent means cooperating with said annular means, said jet nozzle attachment having an internal bore of larger diameter than said projecting tubular member to avoid engagement thereby.
15. A hand appliance for personal hygiene for use with appliance heads requiring alternatively a rotational oscillation and liquid pressure pulses, and driven by a source of liquid pressure pulses, said hand appliance comprising a. an elongated casing forming a handle, b. flexible conduit means including supply and return conduits for connecting said casing with said source of liquid pressure pulses, c. an output member mounted near the front end of said casing and including a hollow axially projecting tubular member having at least a portion thereof radially non-symmetrical, d. annular means radially spaced from said tubular member and fixed with respect to said casing for cooperating with detent means of an appliance head and retaining the head against forward axial displacement, e. means for rotationally oscillating said output member including a longitudinally extending piston cylinder and a piston reciprocating therein, f. an input conduit in said casing for connecting said flexible supply conduit to the head of said piston cylinder, g. a return conduit in said casing connected to said flexible return conduit, h. conduit means in said casing for delivering liquid pressure pulses to said output member, i. an annular valve section encircling the wall of said piston cylinder, j. longitudinally spaced rear, intermediate and forward valve ports cooperating with said annular valve section and connected respectively with said return conduit, the interior of said piston cylinder, and said conduit means for delivering liquid pressure pulses to said output member, k. said valve section being movable longitudinally to alternatively connect said rear and intermediate ports, seal off liquid flow through said intermediate port, and connect said intermediate and forward ports in respective rear, intermediate and forward positions thereof, l. and a manually actuable annular control member encircling the front end of said appliance and connected with said valve section for moving the valve section to respective positions thereof.
16. The combination of a hand appliance according to claim 15 and a toothbrush head attachment having detent means cooperating with said annular means, said toothbrush attachment having a radially extending shoUlder positioned for abutment by said manual control member in the intermediate position thereof and prevent movement to the forward position thereof.
17. The combination of a hand appliance according to claim 15 and a jet nozzle attachment having detent means cooperating with said annular means, said jet nozzle attachment having an internal bore of larger diameter than said projecting tubular member to avoid engagement thereby.
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