The present invention relates to a wall shower bar assembly including a fixed shower head and a hand-held shower mounted to a tubular bar and, more particularly, to a wall shower bar assembly including an upper retainer assembly including a spheroidal joint connection assembly that pivotally couples an upper portion of the wall shower bar assembly to a water supply pipe and a lower retainer assembly including a hinged joint connection assembly that pivotally couples a lower portion of the wall shower bar assembly to a shower wall.
Wall shower bar assemblies are used in shower stalls, shower enclosures, tub and shower surrounds, and the like, where it is desired to have the option of using either a fixed shower head or a hand-held sprayer shower coupled for washing and/or rinsing purposes. Typically, the hand-held sprayer shower is supplied water by a flexible water supply hose, which is coupled to a diverter valve. The diverter valve allows the user to select water flow between the fixed shower head and the hand-held sprayer shower. A tube assembly (sometimes referred to as a wall bar) is provided which mounts to a support surface such as a wall of the shower stall. The shower head is coupled to an upper end of the tube assembly, while the hand-held sprayer shower is supported on a seat slidably affixed to a vertically mounted tube of the tube assembly.
Typical prior wall shower bar assemblies are shown, for example, in U.S. Published Patent Application Pub. No. US 2009/0266913 (publication date Oct. 29, 2009) to Tsai and U.S. Published Patent Application Pub. No. US 2010/0024909 (publication date Feb. 4, 2010) to Lu et al. A connector at an upper portion of the tube of the tube assembly is typically coupled to a water supply pipe extending from a shower wall via a ball joint assembly. The shower head, in turn, is connected to the connector. The lower portion of the tube is coupled to the shower wall by a retainer assembly, which fixes the lower portion of the tube with respect to the shower wall.
Several shortcomings exist with respect to prior wall bar shower bar assemblies. When a ball joint assembly is used to affix the upper portion of the tube assembly to the water supply pipe, over-tightening is a problem. Typically, wrench flats would be provided on an outer surface of a coupling collar, which was threaded onto mating threads of the wall supply pipe. The desire to insure a water-tight connection often resulted in an installer (especially a do-it-yourself, novice installer) applying excessive torque to the coupling collar via a wrench positioned on the wrench flats. Excessive torque applied to the ball joint assembly could result in damage to the ball joint assembly and/or the water supply pipe.
Moreover, because in a typical prior wall bar shower assembly, the retainer assembly positions and secures the lower portion of the tubular bar at a fixed location with respect to the shower wall. This retainer assembly does not allow for relative movement between the tube and the shower wall. Stated another way, the retainer assembly of prior wall bar shower assemblies provide for a fixed position of the tube with respect to the shower wall. This configuration of prior wall bar shower assemblies makes repair, disconnection or adjustment of the wall bar shower assembly difficult. Generally, to repair any of the internals of the upper portion of the tube assembly, the entire prior wall bar shower assembly would have to be removed from the shower wall and the water supply pipe including disconnecting the ball joint assembly from the water supply pipe and disconnecting the retainer assembly from the shower wall or support structure.
One exemplary embodiment of the present disclosure includes a wall shower bar assembly for mounting to a shower wall and a water supply pipe extending from the shower wall, the wall shower bar assembly comprising: a) a tube assembly including a tube, a manifold affixed to an upper end of the tube, and a shower head, the manifold including a first end and a second end, the shower head coupled to the second end of the manifold; b) an upper retainer assembly coupling the tube assembly to the water supply pipe, the upper retainer assembly including an upper joint connection assembly having a first coupler releasably affixed to the water supply pipe, a collar affixed to the first end of the manifold and a first connector coupling the coupler and the collar for relative movement between the coupler and the collar; and c) a lower retainer assembly coupling the tube assembly to the shower wall, the lower retainer assembly including a retainer body affixed to a lower end of the tube, a wall attachment assembly releasably affixed to the shower wall, and a lower joint connection assembly, the lower joint connection assembly including a first member extending from the retainer body, a second member extending from the attachment assembly, and a second connector coupling the first and second members for relative movement between the first and second members.
In one exemplary embodiment of the wall shower bar assembly of the present disclosure, the first connector of the upper joint connection assembly comprises a spheroidal joint for ball joint movement between the coupler and the collar.
In one exemplary embodiment of the wall shower bar assembly of the present disclosure, the second connector of the lower joint connection assembly comprises a hinge joint for pivoting movement between the first and second members.
In one exemplary embodiment of the wall shower bar assembly of the present disclosure, the attachment assembly includes a suction cup attachment assembly comprising a flexible suction cup, a suction cup housing supporting the suction cup, and a camming mechanism including an advancement ring to contact and urge the suction cup against the shower wall.
The foregoing and other features and advantages of the present invention will become apparent to one skilled in the art to which the present invention relates upon consideration of the following description of the invention with reference to the accompanying drawings, wherein like reference numerals refer to like parts unless described otherwise throughout the drawings and in which:
The present disclosure provides for a wall shower bar assembly, shown generally at 100 in the
Advantageously, the wall shower bar assembly 100 of the present disclosure uses a dual joint connection structure 110 that includes an upper joint connection assembly 112 (
For illustration and orientation purposes only and not by way of any limitation, a vertical direction V (
Thus, the wall shower bar assembly 100 has two points of suspension or attachment with respect to the shower stall 10a, the upper portion 102 of the wall shower bar assembly 100 being releasably affixed to the water supply pipe 12 by the upper retainer assembly 300 and the lower portion 104 of the wall shower bar assembly 100 being releasably affixed to the planar surface 11 defined by the shower wall 10 by the lower retainer assembly 400. Advantageously, in the wall shower bar assembly 100 of the present disclosure, the upper joint connection assembly 112, which is part of the upper retainer assembly 300, couples or releasably engages the upper portion 102 of the wall shower bar assembly 100 and the threaded external end 14 of the water supply pipe 12 and provides for relative ball joint or universal joint movement between the upper portion 102 of the wall shower bar assembly 100 and the water supply pipe 12. The lower joint connection assembly 114, which is part of a lower retainer assembly 400, couples or releasably engages the lower portion 104 of the wall shower bar assembly 110 and the shower wall 10 and provides for relative hinge joint or pivot joint movement between the lower portion 104 of the wall shower bar assembly 100 and the shower wall 10.
It should be appreciated, of course, that the ball joint coupling between the upper portion 102 of the wall shower bar assembly 100 and the water supply pipe 12 afforded by the upper joint connection assembly 112 also necessarily encompasses a pivot joint coupling, that is, if the upper portion 102 of the wall shower bar assembly 100 is moved upward and downward in the vertical direction V, i.e., moved upward and downward parallel to the planar mounting surface 11 of the shower wall 10, the ball joint coupling will function as a hinged or pivot joint characterized by a pivot axis P1 substantially parallel to planar surface 11 of the shower wall 10. The pivot joint coupling between the lower portion 104 of the wall shower bar assembly 100 and the shower wall 10, of course, is a true pivot or hinge joint characterized by a pivot axis P2 which is substantially planar to the surface 11 of the shower wall 10 and substantially parallel to the pivot axis P1 defined by the upper joint connection assembly 112.
Advantageously, both the upper retainer assembly 300 and the lower retainer assembly 400 may be independently coupled or uncoupled from the water supply pipe 12 and the shower wall 10, respectively. If the upper retainer assembly 300 is coupled to the water supply pipe 12 and the lower retainer assembly 400 is detached from the shower wall 10, the lower portion 104 of the wall shower bar assembly 100 is free to swing or pivot away from the shower wall 10, while the upper portion 102 of the wall shower bar assembly 100 is maintained a coupled or engaged condition with respect to the water supply pipe 12 by the upper retainer assembly 300. Conversely, if the lower retainer assembly 400 is coupled to the shower wall 10 and the lower retainer assembly 400 is detached from the water supply pipe 10, the upper portion 102 of the wall shower bar assembly 100 is free to swing or pivot away from the water supply pipe 12 and the shower wall 10, while the lower portion 104 of the wall shower bar assembly 100 is maintained in a coupled or engaged condition with the shower wall 10 by the lower retainer assembly 400. In one exemplary embodiment, an angle of pivoting away from the vertical shower wall 10 permitted by the upper spheroidal joint connection assembly 112 is approximately 30° and an angle of pivoting away from the vertical shower wall 10 permitted by the lower pivot joint connection assembly 114 is also approximately 30°.
The dual joint connection structure 110 of the wall shower bar assembly 110 of the present disclosure advantageously facilitates repair of the wall shower bar assembly 100, should repair or replacement of components be necessary. That is, if a repair is needed to the upper portion 102 of the wall shower bar assembly 100, the upper retainer assembly 300 may be disconnected from the water supply pipe 12 and swung away from the vertical wall 10 approximately 30° thereby providing access for repair of the wall shower bar assembly 100 while the lower retainer assembly 400 remains affixed to the shower wall 10. Similarly, if a repair is needed to the lower portion 102 of the wall shower bar assembly 100, the lower retainer assembly 400 may be disconnected from the shower wall 10 and swung away from the wall 10 approximately 30° thereby providing access for repair of the wall shower bar assembly 100 while the upper retainer assembly 300 remains affixed to the water supply pipe 12.
Moreover, the dual joint connection structure 110 of the wall shower bar assembly 100 provides for easier installation of the wall shower bar assembly 100 because of the relative adjustability or pivoting-type of both the upper and lower portions 102, 104 of the wall shower bar assembly 100 with respect to the shower wall 10 and the water supply pipe 12. Although, in one exemplary embodiment, the upper joint connection assembly is a spheroidal ball-and-socket or universal ball joint attachment structure 301, such a joint, of course, can also be viewed as a pivot joint because the structure has the functionality to pivot with respect to the shower wall 10 and the water supply pipe 12. This relative pivoting movement of both the upper and lower connection assemblies 112, 114 makes it easier for the installer to account for slight differences in the angle of the distal portion 13 of the water supply pipe 12, the horizontal offset of the threaded end 14 of the water supply pipe 12 from the shower wall 10, slight non-verticality of the shower wall 10, etc. when installing the wall shower bar assembly 100 of the present disclosure. As stated above, in one exemplary embodiment, an approximate swing or pivot angle permitted by the upper connection structure 112 is 30° and an approximate swing or pivot angle permitted by the lower connection structure 114 is 30°.
The wall shower bar assembly 100 of the present disclosure includes the upper retainer assembly 300, comprising the upper joint connection assembly 112, the lower retainer assembly 400, comprising the lower joint connection assembly 114, and a generally vertically-oriented tube assembly 112 including a hollow tube or tubular member 210 extending between the upper and lower retainer assemblies 300, 400. In one exemplary embodiment, the upper joint connection assembly 112 comprises a first joint attachment structure 301, while the lower joint connection assembly 114 comprises a second joint attachment structure 500. In one exemplary embodiment, the first joint attachment structure 301 comprises a spheroidal or ball joint attachment structure, while the second joint attachment structure 500 comprises a hinged joint attachment structure.
As is best seen in
Tube Assembly 200
As is best seen in
Hollow Tube 210
The tube or bar 210 is hollow and includes an inner or interior surface 212 defining a throughbore 214 extending between an upper end 216 and a lower end 218. The tube 210 defines a central longitudinal axis LA extending through the throughbore 214 of the tube 210 and includes a curved upper portion 222 and a generally straight central portion 224 that extends to the lower end 218. In the central portion 224 of the tube 210, the central longitudinal axis LA is substantially parallel to the planar surface 11 of the shower wall 10 and is oriented in the vertical direction V. As is schematically depicted in
Manifold 250
As can best be seen in
An interior of the manifold 250 defines a first water chamber 260 and a second water chamber 262 separated by a central interior wall or diaphragm 264. The first water chamber 260 extends between and provides for fluid communication between the first threaded end 252 and the first inlet water supply line 230. The first inlet water supply line 230 is coupled, through the first fitting 240, to a first outlet port 270 of the first water chamber 260 at the end portion 256 of the third arm 255 of the manifold 250 That is, the first water chamber 260 of the manifold 250 directs water flowing from the water supply pipe 12 through the first outlet port 270 of the third arm 255, through the first fitting 240 and into the first inlet water supply line 230, the first inlet water supply line 230 being in fluid communication with the first water chamber 260. The first inlet water supply line 230 and the second fitting 242 are in fluid communication with and terminate at the valve body 482 of the two-way diverter valve 480.
The second water chamber 262 extends between and provides for fluid communication between the second water outlet supply line 232 and the second threaded end 254 of the manifold 250. The second outlet water supply line 232 is coupled, through the first fitting 240, to a second inlet port 272 of the second water chamber 262 at the end portion 256 of the third arm 255 of the manifold 250 That is, the second water chamber 262 of the manifold 250 directs water flowing from the second outlet water supply line 232 through the first fitting 240, through the second inlet portion 272 of the third arm 255 and through the second threaded end 254 and into the shower head 600.
The first inlet water supply line 230 is in fluid communication with the first water chamber 260 and the first outlet port 270 of the manifold 250, while the second outlet water supply line 232 is in fluid communication with the second water chamber 262 and the second inlet portion 272 of the manifold 250. In a first position of the diverter valve handle 484, the valve body 482 is oriented such that water is routed from the first inlet water supply line 230 through the valve body 482, through the second outlet water supply line 232, through the second water chamber 262 and, finally, to the shower head 600 where it exits the shower head 600 in a water spray pattern defined by the shower head 600. In a second position of the diverter valve handle 484, the valve body 482 is oriented such that water is routed from the first inlet water supply line 230 through the valve body 482, through an outlet port 488 of a lower arm 486 of the valve housing 483 of the diverter valve 480 and, finally, to the hand-held sprayer shower 700 where it exits the sprayer shower 700 in a water spray pattern defined by the sprayer shower 700.
Upper Retainer Assembly 300
As is best seen in
The coupler 302 includes an interior surface 304 defining a throughbore 306. The interior surface 304 of a front portion 309 of the coupler 302 defines interior threads 310 that engage the threaded end 14 of the water supply pipe 12. A rear portion 320 of the coupler 302 defines a first male connector 322 which, in one exemplary embodiment, is the spheroid or ball 324 of the ball-and-socket joint attachment structure 301.
The collar 330 includes an interior surface 332 defining a throughbore 334 generally aligned with the longitudinal axis LA of the tube 210. The throughbore 334 of the collar 330 is larger than an outer diameter of the ball 324 of the coupler 302. Thus, even at the most extreme pivot angle (e.g., 30°) or position of the collar 330 with respect to the coupler 302, the respective thoughbores 334, 306 overlap along the longitudinal axis LA of the tube 210 to permit fluid communication through the first joint attachment structure 301 from the water supply pipe 12 to the first water chamber 260 of the manifold 250. The interior surface 332 of the collar 330 defines threads 340 which engage the first threaded end 252 of the first arm 251 of the manifold 250. The back end 338 of the collar 330 includes a radially inwardly stepped shoulder 346. The shoulder 346 and a rear interior portion 342 of the collar 330 define the first female connector 341, which, in one exemplary embodiment, is the socket 344 of the ball-and-socket joint attachment structure 301.
The retaining ring/seal 350 bears against the stepped shoulder 346 formed at the back end 338 of the collar 330. An inner diameter of the retaining ring/seal 350 is smaller than an outer diameter of the ball 324 of the coupler 302 to trap or maintain the ball 324 within the socket 344 of the collar 330 thereby forming the universal joint attachment structure 301. The outer diameter of the retaining ring/seal 350 is larger than the opening formed by the throughbore 334 at the back end 338 of the collar 330 thus sandwiching and maintaining the position of the retaining ring/seal 350 between ball 324 of the coupler 302 and the stepped shoulder 346 of the collar 330. An outer peripheral surface 352 of the retaining ring/seal 350 includes a step 354. The step 354 of the retaining ring/seal 350 of seats on the stepped shoulder 346 of the collar 330 to retain the ball 324 in the socket 344.
Advantageously, the wall shower bar assembly 100 of the present disclosure includes two or dual threaded connections for the upper ball joint connection assembly 112, each of which can be independently tightened or loosened. That is, the first spheroidal joint attachment structure 301 features one threaded connection between the coupler 302 and the water supply pipe 12 and a second threaded connection between the collar 350 and the first arm 251 of the manifold 250. This configuration of dual threaded connections for the upper ball joint connection assembly 112 mitigates the problem of overtightening a coupling collar when a ball joint assembly with a single coupling collar was used to affix the upper portion of the wall shower bar assembly to the water supply pipe, as previously discussed. Generally and advantageously, with the spheroidal joint attachment structure 301 of the present disclosure, finger tightening the threaded connection between the coupler 302 and the water supply pipe 12 and finger tightening the threaded connection between the collar 350 and the first arm 251 of the manifold 250 are sufficient to provide watertight seals between the water supply pipe 12 and the wall shower bar assembly 100.
Lower Retainer Assembly 400
As is best seen in
Diverter Valve 480
In one exemplary embodiment, the lower retainer assembly 400 includes the lower joint connection assembly 114 pivotally disposed between the retainer body 450 and the wall attachment assembly 405. In one exemplary embodiment, the retainer body 450 includes the two-position diverter valve 480. As is best seen in
The valve housing 483 also includes an upper arm 490. The upper arm 490 defines a first inlet port 491 and a second outlet port 492 (
Lower Joint Connection Assembly 114
As best seen in
The clevis 502 includes a slotted opening 504 that extends vertically through the clevis 502. The slotted opening 504 defines a first female connector 505 and is defined by a back wall 506 and parallel, opposing side walls 508. There is generally V-shaped projection 510 extending forwardly from the back wall 506. Additionally, each of the side walls 508 includes a generally horizontal opening 512. The two openings 512 of the side walls 508 are aligned to form an axle bushing 514. A center line through the axle bushing 514 defines the pivot axis P2 of the hinged attachment structure 500.
The vertically-oriented tongue 550 formed at the tapered rearward end 440 of the suction cup housing 420 defines a second connector 552 that interfits with the first connector 505 defined by the clevis 502. The tongue 550 is defined by a pair of spaced apart, opposing side walls 554 joined along an outer periphery by an outer wall 556. The side walls 554 each include a cut-out region 558 that defines a tab 560. An outwardly extending axle stub 562 is formed on each of the tabs 560. The axle stubs 562 are horizontally aligned so as to form a discontinuous axle 564. The tongue 550 also includes a generally U-shaped opening 570 in the outer wall 556 and between the side walls 554. The U-shaped opening 570 is partly defined by a pair of shoulders 572 that, if extended, would have a vertex or center on or near the pivot axis P2.
When the tongue 550 of the suction cup housing 420 is assembled to the clevis 502 of the retainer body 450, the tabs 560 flex inwardly as they move along the clevis side walls 508. Upon proper alignment of the two axle stubs 562 of the tabs 560 of the tongue 550 with the two openings 512 of the side walls 508 of the retainer body 450, the axle stubs 562 snap fit or seat into respective openings 512 to form a hinge. Stated another way, the interfit of the axle stubs 562 into the openings 512 of the retainer body clevis 502 define a discontinuous hinge 566 between the tongue 550 of the suction cup housing 420 and the clevis 502 of the retainer body 450. The swing or pivot angle of the hinged joint attachment structure 500 about the pivot axis P2 is limited by contact between the V-shaped projection 510 of the slotted opening 504 of the clevis 502 and the shoulders 572 of the U-shaped opening 570 of the tongue 550 of the suction cup housing 420.
Wall Attachment Assembly 405
As best seen in
In one exemplary embodiment, as best seen in
Advantageously, the suction cup attachment assembly 410 of the present disclosure includes a camming mechanism 430 to urge the suction cup 412 against the shower wall 10 to expel air trapped between the front side 414 of the suction cup 412 and the shower wall 10 and thereby improve the strength of the suction seal between the suction cup 412 and the shower wall 10. The camming mechanism 430 includes the annular advancement ring 432 and a rotatable cam dial 436. The rotatable cam dial 436 is rotatably mounted on the stem 424 of the base 422. The cam dial 436 includes an inner surface 437 defining a series of radially spaced, axially extending ribs 448, which function as cams, as explained below, when the cam dial 436 is rotated (about 60° degrees) to axially advance the advancement ring 432 against the shower wall 10 and thereby insure a strong suction seal between the suction cup 412 and the shower wall 10. In one exemplary embodiment, the number of ribs 448 of the cam dial 436 is six.
The advancement ring 432 includes an annular front face 433 that contacts the back side 416 of the suction cup 412. The advancement ring 432 further includes an outer peripheral rim 434a extending rearwardly from an outer edge of the annular front face 433 and an inner peripheral rim 434b extending rearwardly from an inner edge of the annular front face 433. The inner peripheral rim 434b of the advancement ring 432 includes a pair of recesses 434c (
The inclined portions of the sawtooth profiles 435 bear against respective ones of the ribs 448 of the cam dial 436. As the cam dial is rotated, the ribs 448 of the cam dial 436 rotate with respect to the sawtooth profiles 435 of the advancement ring 432, the ribs 448 “ride up” the inclined portions of the respective sawtooth profiles 435 thereby forcing the advancement ring 432 to more axially forward against the back side 416 of the suction cup 412. Each of the sawtooth profiles 435 include a notch near the top of the profile. The notches receive the respective ribs 448 of the cam dial 436 to maintain an advanced position of the advancement ring 432 against the suction cup 412 and thus a “locked in” position of the suction cup attachment assembly 410 with respect to the shower wall 10.
To loosen and remove the suction cup attachment assembly 410 from the shower wall 10, the user will rotate the cam dial 436 in the opposite direction approximately 60° whereby the advancement ring 432 will be moved axially in the rearward direction away from the back side 416 of the suction cup 412 allowing the user to a rock the lower portion 104 of the wall shower bar assembly 100 and release the suction seal between the suction cup 412 and the shower wall 10.
The components of the wall shower bar assembly 100 of the present invention may be fabricated of metals, such as, but not limited to steel, stainless steel, steel alloys, aluminum, or various plastic or polymer materials or various composite materials that provide for sufficient strength and durability and provide for water, heat and humidity resistance so as to be suitable for use in a wet, humid, hot shower stall environment. The components of the shower bar assembly 100 may be fabricated by machining, forming, casting, forging, extrusion, injection molding, or other fabrication techniques know to those of skill in the art.
As used herein, terms of direction and/or orientation such as vertical, horizontal, vertically, horizontally, forward, rearward, backward, longitudinally, upper, lower, inward, outward, axially, radially, etc., are provided for convenience purposes and relate generally to the orientation shown in the Figures. Such direction and/or orientation terms are not intended to limit the scope of the present disclosure or the claims appended hereto.
What have been described above are examples of the present disclosure/invention. It is, of course, not possible to describe every conceivable combination of components, assemblies, or methodologies for purposes of describing the present disclosure/invention, but one of ordinary skill in the art will recognize that many further combinations and permutations of the present disclosure/invention are possible. Accordingly, the present disclosure/invention is intended to embrace all such alterations, modifications, and variations that fall within the spirit and scope of the appended claims.
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Catalog Entitled “Ateck® 2001-2011”, published by Ateck (Xiamen) Showers Co., Ltd., No. 2 Factory, Dianqianshe, Gaodian, Dianqian St., Hull, Xiamen, Fujian, China. (28 pages). |
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20150033470 A1 | Feb 2015 | US |