Source: http://www.patentsencyclopedia.com/app/20130015269
Timestamp: 2016-07-25 02:25:39
Document Index: 363248216

Matched Legal Cases: ['art: 1', 'art 332', 'art\n332', 'art 332', 'art 332', 'art 332']

SINGLE POINT TOUCH SHOWERAANM Zhou; HuasongAACI XiamenAACO CNAAGP Zhou; Huasong Xiamen CNAANM Cai; HexianAACI XiamenAACO CNAAGP Cai; Hexian Xiamen CNAANM Chen; JianminAACI XiamenAACO CNAAGP Chen; Jianmin Xiamen CNAANM Chen; BinAACI XiamenAACO CNAAGP Chen; Bin Xiamen CN - Patent application
Patent application title: SINGLE POINT TOUCH SHOWERAANM Zhou; HuasongAACI XiamenAACO CNAAGP Zhou; Huasong Xiamen CNAANM Cai; HexianAACI XiamenAACO CNAAGP Cai; Hexian Xiamen CNAANM Chen; JianminAACI XiamenAACO CNAAGP Chen; Jianmin Xiamen CNAANM Chen; BinAACI XiamenAACO CNAAGP Chen; Bin Xiamen CN
Huasong Zhou (Xiamen, CN)
Hexian Cai (Xiamen, CN)
Jianmin Chen (Xiamen, CN)
Bin Chen (Xiamen, CN)
IPC8 Class: AA62C3100FI
USPC Class: 239437
Class name: Fluid sprinkling, spraying, and diffusing selectively usable or variable diverse terminal outlets outlet formed between parts mounted for relative movement
Patent application number: 20130015269
A single point touch shower has a fixed unit, an outlet terminal and a
switching mechanism. The fixed unit has an inlet passage connecting the
water resource; the outlet terminal is asway connected to the fixed unit
and provided with a plurality of outlet functions; the switching
mechanism comprises a first ratchet wheel, a stopping claw and a
transmission mechanism; the first ratchet wheel is rotationally connected
to the outlet terminal; the stopping claw connects the first ratchet
wheel and the fixed unit to limit the reversal of the first ratchet
wheel; the transmission mechanism connects the first ratchet wheel and
the fixed unit to transmit the mutual swing between the outlet terminal
and the fixed unit to the relative rotation between the first ratchet
wheel and the outlet terminal, and the outlet functions switching is
controlled through the relative rotation between the first ratchet wheel
and the outlet terminal.Claims:
1. Single point touch shower, wherein it comprises: A fixed unit, which
is provided with an inlet passage connecting the water resource; An
outlet terminal, which is asway connected to the fixed unit and provided
with a plurality of outlet functions; And a switching mechanism, which
comprises a first ratchet wheel, a stopping claw and a transmission
mechanism; the first ratchet wheel is rotationally connected to the
outlet terminal; the stopping claw connects the first ratchet wheel and
the fixed unit to limit the reversal of the first ratchet wheel; the
transmission mechanism connects the first ratchet wheel and the fixed
unit to transmit the mutual swing between the outlet terminal and the
fixed unit to the relative rotation between the first ratchet wheel and
the outlet terminal, and the switching of outlet functions is controlled
through the relative rotation between the first ratchet wheel and the
outlet terminal.
2. Single point touch shower according to claim 1, wherein, the running
through outlet openings are open up on the first ratchet wheel, the
communication between the outlet openings and the outlet passage and one
of the outlet functions is controlled through the mutual rotation between
the first ratchet wheel and the outlet terminal.
3. Single point touch shower according to claim 2, wherein a return
spring is arranged between the fixed unit and the outlet terminal to
reset the swing of the outlet terminal.
4. Single point touch shower according to claim 3, wherein, a downward
contact is fixed in the fixed unit; The transmission mechanism comprises:
An actuator, which is coupling with the contact, so that the contact can
drive the positive rotation and the reversal of the actuator when the
outlet terminal is swinging relative to the fixed unit; A clutch
mechanism, which connects the actuator and the first ratchet wheel, so
that the first ratchet wheel can rotate positively when the actuator
rotates positively, or the first ratchet wheel can stop when the actuator
is reversing.
5. Single point touch shower according to claim 4, wherein, the actuator
comprises a second ratchet wheel and an extended part fixedly connected
to the second ratchet wheel, and the extended part is coupling with the
contact, and the clutch mechanism is connected between the second ratchet
wheel and the first ratchet wheel.
6. Single point touch shower according to claim 5, wherein, the clutch
mechanism comprises a first inner ratchet opened in the first ratchet
wheel, a second inner ratchet opened in the second ratchet wheel and a
clutch ratchet, the clutch ratchet connects the first inner ratchet and
the second inner ratchet; the first ratchet wheel is provided with the
outer ratchet coupling with the stopping claw.
7. Single point touch shower according to claim 6, wherein, the fixed
unit comprises a inlet body and, a spring seat fixedly connected out of
the inlet body, a hollow hole is formed in the inlet body; the outlet
terminal comprises a body and a outlet mechanism, the body is
hermetically sleeved out of the inlet body and asway supports above the
spring seat, the outlet mechanism is fixedly connected under the body;
the spring is mounted on the spring seat and against the body.
8. Single point touch shower according to claim 7, wherein, the outlet
terminal also comprises a support seat which is fixedly arranged on the
outlet mechanism; the first ratchet wheel comprises a base plate and a
convex shaft fixedly arranged on the base plate, the outer ratchets are
arranged on the outer rotative surface of the base plate, the first inner
ratchet is arranged on the end face of the convex shaft, the base plate
is located between the support seat and the outlet mechanism, the convex
shaft is pivotally connected to the support seat.
9. Single point touch shower according to claim 8, wherein, the second
ratchet wheel is pivotally connected to the support seat, the upper part
of the clutch ratchet is connected to the second inner ratchet of the
second ratchet wheel, the lower part of the clutch ratchet is connected
to the first inner ratchet of the first ratchet wheel.
10. Single point touch shower according to claim 7, wherein, the inlet
passage comprises the hollow hole, the inlet cavity communicating with
the hollow hole is formed between the body and the outlet mechanism.
11. Single point touch shower according to claim 7, wherein, the mark is
arranged on the body of the outlet terminal, the users touch the mark of
the body or its surrounding place with single point, and then the outlet
terminal swings relative to the fixed unit.Description:
[0001] The present invention relates to a swing switch shower, and more
particularly to a single point touch shower.
[0002] The swing switching process of the swing switching shower at the
prior art is described below: the force of the users acts on the first
part of the shower, so that the shower swings to the first direction and
water comes out of the first outlet function; the force of the users acts
on the second part of the shower, so that the shower swings to the second
direction and water comes out of the second outlet function. According to
the description above, a plurality of defects are present in the swing
switching shower at the prior art: 1 the corresponding outlet function
mark has to be processed at the first part or the second part of the
shower; 2 different outlet functions are achieved through different swing
directions, so that the structure of the switching mechanism is
complicated with large space occupation.
[0003] The object of the present invention is to offer a single point
touch shower, which overcomes the defects of the swing switch shower at
[0004] The technical proposal to solve the technical matters in the
present invention is:
[0005] Single point touch shower, it comprises:
[0006] A fixed unit, which is provided with a inlet passage connecting the
water resource;
[0007] An outlet terminal, which is asway connected to the fixed unit and
provided with a plurality of outlet functions;
[0008] And a switching mechanism, which comprises a first ratchet wheel, a
stopping claw and a transmission mechanism; the first ratchet wheel is
rotationally connected to the outlet terminal; the stopping claw connects
the first ratchet wheel and the fixed unit to limit the reversal of the
first ratchet wheel; the transmission mechanism connects the first
ratchet wheel and the fixed unit to transmit the mutual swing between the
outlet terminal and the fixed unit to the relative rotation between the
first ratchet wheel and the outlet terminal, and the switching of outlet
functions is controlled through the relative rotation between the first
ratchet wheel and the outlet terminal.
[0009] In a preferred embodiment, the running through outlet openings are
open up on the first ratchet wheel, the communication between the outlet
openings and the outlet passage and one of the outlet functions is
controlled through the mutual rotation between the first ratchet wheel
and the outlet terminal.
[0010] In a preferred embodiment, a return spring is arranged between the
fixed unit and the outlet terminal to reset the swing of the outlet
[0011] In a preferred embodiment, a downward contact is fixed in the fixed
[0012] The transmission mechanism comprises:
[0013] An actuator, which is coupling with the contact, so that the
contact can drive the positive rotation and the reversal of the actuator
when the outlet terminal is swinging relative to the fixed unit;
[0014] A clutch mechanism, which connects the actuator and the first
ratchet wheel, so that the first ratchet wheel can rotate positively when
the actuator rotates positively, or the first ratchet wheel can stop when
the actuator is reversing.
[0015] In a preferred embodiment, the actuator comprises a second ratchet
wheel and an extended part fixedly connected to the second ratchet wheel,
and the extended part is coupling with the contact, and the clutch
mechanism is connected between the second ratchet wheel and the first
[0016] In a preferred embodiment, the clutch mechanism comprises a first
inner ratchet opened in the first ratchet wheel, a second inner ratchet
opened in the second ratchet wheel and a clutch ratchet, the clutch
ratchet connects the first inner ratchet and the second inner ratchet;
the first ratchet wheel is provided with the outer ratchet coupling with
the stopping claw.
[0017] In a preferred embodiment, the fixed unit comprises a inlet body
and, a spring seat fixedly connected out of the inlet body, a hollow hole
is formed in the inlet body; the outlet terminal comprises a body and a
outlet mechanism, the body is hermetically sleeved out of the inlet body
and asway supports above the spring seat, the outlet mechanism is fixedly
connected under the body; the spring is mounted on the spring seat and
[0018] In a preferred embodiment, the outlet terminal also comprises a
support seat which is fixedly arranged on the outlet mechanism; the first
ratchet wheel comprises a base plate and a convex shaft fixedly arranged
on the base plate, the outer ratchets are arranged on the outer rotative
surface of the base plate, the first inner ratchet is arranged on the end
face of the convex shaft, the base plate is located between the support
seat and the outlet mechanism, the convex shaft is pivotally connected to
the support seat.
[0019] In a preferred embodiment, the second ratchet wheel is pivotally
connected to the support seat, the upper part of the clutch ratchet is
connected to the second ratchet of the second inert ratchet wheel, the
lower part of the clutch ratchet is connected to the first inner ratchet
of the first ratchet wheel.
[0020] In a preferred embodiment, the inlet passage comprises the hollow
hole, the inlet cavity communicating with the hollow hole is formed
between the body and the outlet mechanism.
[0021] In a preferred embodiment, the mark is arranged on the body of the
outlet terminal, the users touch the mark of the body or its surrounding
place with single point, and then the outlet terminal swings relative to
the fixed unit.
[0022] Compared with the mechanism at the prior art, the advantages of the
present invention are:
[0023] 1 Because the ratchet wheel is introduced in the switching
mechanism of the swing switching shower, the switching of different
outlet functions can be achieved by the one-way rotation of the ratchet
wheel, and the one point touch switching, the switching of outlet
functions and the rotation switching are achieved with simplified
switching mechanism and low space occupation;
[0024] 2 the clutch mechanism is introduced in the transmission mechanism,
making sure that the first ratchet wheel does not reverse during the
swinging resetting process;
[0025] 3 The stopping claw coupling with the ratchet wheel makes sure the
maintaining of the switching of the outlet functions;
[0026] 4 The clutch is achieved through the coupling of the clutch
ratchet, the first inner ratchet and the second inner ratchet with simple
structure and good stability;
[0027] 5 The spring seat is not only used for supporting the body, but
also used for mounting the spring;
[0028] 6 The spring is arranged on the spring seat and against the body,
making sure enough swinging resetting force.
[0029] With the following description of the drawings and specific
embodiments, the invention shall be further described in details.
[0030] FIG. 1 shows the solid abridged general view of the single point
touch shower in the present invention.
[0031] FIG. 2 shows the first solid exploded view of the single point
[0032] FIG. 3 shows the second solid exploded view of the single point
[0033] FIG. 4 shows the solid abridged general view of the single point
touch shower in the present invention without the body.
[0034] FIG. 5 shows the vertical abridged general view of the outlet
terminal of the single point touch shower in the present invention.
[0035] FIG. 6 shows the vertical abridged general view of the outlet
terminal coupling with the first ratchet wheel, the clutch ratchet of the
single point touch shower in the present invention.
[0036] FIG. 7 shows the solid abridged general view of the spring seat of
the single point touch shower in the present invention.
[0037] FIG. 8 shows the first solid abridged general view of the first
ratchet wheel of the single point touch shower in the present invention.
[0038] FIG. 9 shows the second solid abridged general view of the first
[0039] FIG. 10 shows the solid abridged general view of the support seat
of the single point touch shower in the present invention.
[0040] FIG. 11 shows the first solid abridged general view of the second
[0041] FIG. 12 shows the second solid abridged general view of the second
[0042] FIG. 13 shows the solid abridged general view of the clutch ratchet
[0043] FIG. 14 shows the waterway abridged general view of the single
point touch shower in the present invention, the inner ring shower water
comes out of the shower at the moment.
[0044] FIG. 15 shows the waterway abridged general view of the single
point touch shower in the present invention, the outer ring shower water
[0045] FIG. 16 shows the waterway abridged general view of the single
point touch shower in the present invention, the atomizing water comes
out of the shower at the moment.
[0046] FIG. 17 shows the waterway abridged general view of the single
point touch shower in the present invention, the massage water comes out
of the shower at the moment.
[0047] FIG. 18 shows the cross-sectional view of the single point touch
shower in the present invention, the shower is at the original position
at the moment, and the first outlet function is active.
[0048] FIG. 19 shows the structure abridged general view of the single
point touch shower in the present invention, the shower is at the
original position at the moment, and the first outlet function is active.
[0049] FIG. 20 shows the cross-sectional view of the single point touch
shower in the present invention, the shower is at the swing position at
[0050] FIG. 21 shows the structure abridged general view of the single
point touch shower in the present invention, the shower is at the swing
position at the moment.
[0051] FIG. 22 shows the first structure abridged general view of the
single point touch shower in the present invention, the shower is at the
reseting position at the moment, and the second outlet function is
[0052] FIG. 23 shows the second structure abridged general view of the
resetting position at the moment, and the second outlet function is
[0053] With the following description of the drawings and specific
[0054] According to FIG. 1 to FIG. 23, the single point touch shower
comprises a fixed unit 100, an outlet terminal 200 and a switching
mechanism 300.
[0055] The fixed unit 100 comprises a ball joint support seat 110, a ball
joint 120 and a inlet body 130. The ball joint 120 is fixedly connected
in the ball joint support seat 110, and is fixedly connected to the water
resource through the jacket 140, the water saving slice 150 and the
gasket 160; the ball joint 120 is fixedly connected in the ball joint
support seat 110 through the snap ring 190. The inlet body 130 is fixedly
connected in the ball joint support 110, and the hollow hole of the inlet
body 130 is communicated with the hollow hole of the ball joint 120, and
a spherical gasket 121 is hermetically connected in the communication for
the tightness of the communication. A spring seat 180 is fixedly sleeved
out of the inlet body 130, and the spring seat 180 is lockingly connected
to the inlet body 130 through the hollow screw 181. In the present
embodiment, a inlet passage 170 is formed by the hollow hole of the ball
joint 120, the hollow hole of the inlet body 130 and the hollow hole of
the hollow screw 181. A eccentric contact 182 is convexly extended below
the spring seat 180.
[0056] An assembly slot 183 is opened and formed on the outboard surface
of the spring seat 180, and a shackle pin 184 is connected on the spring
seat 180. The shackle pin comprises a coupling seat coupling with the
assembly slot 183 and two impending ends that are fixedly connected below
the coupling seat, and a clamping seat is arranged at the end of the
impending end, the clamping seat of the impending end is connected to the
spring seat 180 and makes the coupling seat and the shackle pin 184
correspond to each other. A return spring 185 is mounted in the assembly
slot 183, and a spring cap 186 with small head and big tail is connected
to the end of the return spring 185, the tail of the spring cap 186 is
connected to the end of the return spring 185, and the head of the spring
cap is extends out of the abdicating hole formed by the coupling seat of
the assembly 183 and the shackle pin 184 and is against the back of the
[0057] The outlet terminal 200 comprises a body 210, a water diversion
body 220, a water diversion disc 230, a face cover 240 and a transmission
bearing 280.
[0058] The body 210 is hermetically sleeved out of the inlet body 130 and
supports the spring seat 180, so that the body 210 can swing relative to
the spring seat 180, and then the outlet terminal 200 can swing relative
to the spring seat 180, and then the outlet terminal 200 can swing
relative to the fixed unit 100, the following proposal can be used for
achieving the aim above: a guide seat 250 is arranged in the outlet
terminal 200, and a guide slot 251 is arranged in the guide seat 251, and
a guide part is arranged on the fixed unit 100, the guide part can
slidingly connected to the guide slot to achieve the limit along the
swing direction. In the present embodiment, the guide part is the spring
cap 186, and the guide seat 250 is fixed on the internal rotative surface
of the body 210. The end of the spring cap 186 of the spring seat 180 is
against the internal rotative surface of the body 210.
[0059] The water diversion body 220 comprises a footwall and a surrounding
wall that is extended upward from the periphery of the foot wall, and
four groups of water diversion holes 211 is opened on the footwall, and
every group comprises two water diversion holes 211. In the present
embodiment, the amount of the water diversion hole group is equal to the
amount of the outlet functions, but is not limited to four groups, other
amount (such as three or five) is also fit to the present embodiment,
namely the amount of the outlet functions is not limited to four, other
amount (such as three or five) is also fit to the present embodiment; and
the amount of the water diversion holes 221 is each group is not limited
to two, other amount (such as one) is also fit to the present embodiment.
The footwall of the water diversion body 220 is fixedly connected to the
water diversion disc 230. The water diversion disc 230 is hermetically
and fixedly connected under the body 210 through the bolt. A user
touching mark 211 is better to be arranged out of the water diversion
body 220 for the accurate touching of users.
[0060] The face cover 240 is hermetically and fixedly connected under the
water diversion disc 230, and the face cover 240 is coupling with the
water diversion disc 230 to form four independent outlet cavities, the
corresponding mechanisms are opened on the part of the face cover 240
corresponding to the four independent outlet cavities for the four kinds
of sprays (outlet functions) from the four independent outlet cavities.
In the present embodiment, the four kinds of sprays are the outer ring
shower water, the inner ring shower water, the atomizing water and the
massage water, and correspondingly, a fog implement is arranged in one of
the independent cavities, an impeller 270 is arranged in one of the
independent cavities. The four groups of the water diversion holes 221
are correspondingly communicated with the four independent outlet
[0061] The transmission bearing 280 comprises bearing body 280 and a
plurality of connecting rod 280 being fixedly connected to the bearing
body 281; a pivot joint hole 283 is opened on the bearing body 281; the
end of the connecting rod 282 is fixedly connected to the water diversion
body 220, and because of the big clearance between the adjacent
connecting rod 282, the water diversion body 220 will not be sealed. And
the inlet cavity communicating with the inlet passage 170 is formed
between the whole body 210 and the water diversion disc 230, and the
inlet cavity also comprises the part in the surrounding wall of the water
diversion body 220.
[0062] The switching mechanism 300 comprises a first ratchet wheel 310, a
stopping claw 320 and a transmission mechanism.
[0063] The first ratchet wheel comprises a base plate 311 and a convex
shaft 312 being fixedly connected on the base plate 311, the external
ratchets 313 are arranged at the outside of the base plate 311, and a
group of outlet openings 314 that are out of the convex shaft 312 are
opened on the base plate 311, the outlet openings 314 are corresponding
to the water is diversion holes 221. The first ratchet 310 is
hermetically and pivotally arranged in the water diversion body 220, and
the bottom surface of the first ratchet wheel 310 is hermetically and
rotationally connected to the footwall of the water diversion body 220,
so that the outlet openings 314 can be corresponding to the water
diversion hole 221, and the outlet openings 314 can be alternatively
aligned to and communicated with one of the water diversion hole 221
through the rotation of the first ratchet wheel 310, the communication
between the outlet openings and the inlet cavity and one of the outlet
functions is controlled by the relative rotation between the first
ratchet wheel and the water diversion body, and then the switching of the
outlet functions is controlled. The convex shaft 312 of the first ratchet
wheel 310 can rotationally connected to the lower part of the pivot joint
hole 283 of the bearing body 281 of the transmission bearing 281, and the
base plate 311 id under the bearing body 281.
[0064] One end of the stopping claw 320 is connected to the internal
rotative surface of the surrounding wall of the water diversion body 220,
and another end is connected to the external ratchets of the first
ratchet wheel 310 for the limit of the reversal of the first ratchet
wheel 310.
[0065] The first ratchet wheel 310 and the fixed unit 100 are connected
through the transmission mechanism to transmit the mutual swing between
the outlet terminal 200 and the fixed unit 100 to the relative rotation
between the first ratchet wheel 310 and the water diversion body 220. The
transmission mechanism comprises a actuator 330 and a clutch mechanism,
the actuator 330 comprises a second ratchet wheel 331 and an extended
part 332 being fixedly connected to the second ratchet wheel 331, the
second ratchet wheel 331 can rotationally connected to the upper part of
the pivot joint hole 283 of the bearing body 281, and the extended part
332 extends out of the bearing body 282, and a right or left-hand
connecting slot 333 id opened above the extended part 332, the lower end
of the contact 182 of the spring seat 180 is adaptively connected in the
connecting slot 333, so that the contact 182 can touch and make the
extended part 332 rotate when the extended part 332 swing relative to the
spring seat 180, and the positive rotation and the reversal of the
actuator 330 can be driven. The clutch mechanism is connected to the
actuator and the first ratchet wheel, so that the positive rotation of
the first ratchet wheel 331 is driven when the actuator rotates
positively, and the first ratchet wheel stops when the actuator 330
reverse. In the present embodiment, the clutch mechanism comprises a
first inner ratchet 340 convexly arranged at the end face of the convex
shaft of the first ratchet wheel 310, a second inner ratchet 350 opened
in the inner hole of the second ratchet wheel 331 and a clutch ratchet
360, the upper part of the clutch ratchet 360 is connected to the second
inner ratchet 350 of the second ratchet wheel 331, and its lower part is
connected to the first inner ratchet 340 of the first ratchet wheel 310.
[0066] Combining with the switching principle in the present invention,
the switching process in the present invention is described in detail
[0067] According to FIGS. 18 and 19, water comes out of the first outlet
function at the moment, the shower is at the original position, and the
outlet opening 314 of the first ratchet wheel is corresponding to the
first water diversion hole 221;
[0068] The users touch the mark 221 of the body 220 or its surrounding
place with single point, and then the outlet terminal 220 swing to left
relative to the fixed unit 100;
[0069] The actuator 330 in the outlet terminal 200 swings to left relative
to the spring seat 180, and the actuator 330 rotates positively with the
coupling of the contact 182 and the connecting slot 233, compressing the
return spring 185 for energy storing.
[0070] The first ratchet wheel 310 is driven to rotate positively by the
actuator 330 through the closed clutch mechanism, namely through the
first inner ratchet, the second inner ratchet and the transmitting
ratchet, and the outlet opening 314 starts to be staggered from the first
water diversion hole 221.
[0071] According to FIG. 20 and 21, when the outlet terminal 200 swings to
left position relative to the fixed unit 100, the outlet opening 314 is
aligned to the second water diversion hole 221, and water comes out of
the second outlet functions, and the shower is at the swing position; the
stopping claw 320 is against the outer ratchet of the first ratchet wheel
310 just in time to prevent the first ratchet wheel 310 reversing at the
moment, so that it can maintain the water coming out of the second outlet
[0072] The user looses, and the energy in the return spring 185 is
released, and the outlet terminal 220 is driven to swing to right
[0073] The actuator 330 in the outlet terminal 200 swings to right
relative to the spring seat 180, and the actuator 330 reverses with the
coupling of the contact 182 and the connecting slot 233;
[0074] The clutch mechanism is at the detached state at the moment, namely
the second inner ratchet and the transmitting ratchet resets along with
the reversal of the actuator 330, and the first inner ratchet stops, and
the first ratchet wheel stops;
[0075] According to FIGS. 22 and 23, when the outlet terminal 200 swings
to right position relative to the fixed unit 100, the shower returns to
the original position, the outlet opening 314 is switched from the first
water diversion hole 221 to the second water diversion hole 221, and the
outlet function is switched from the first to the second, and the
switching process is completed once.
[0076] The invention has been described with reference to the preferred.
embodiments mentioned above; therefore it cannot limit the reference is
implementation of the invention. It is obvious to a person skilled in the
art that structural modification and changes can be carried out without
leaving the scope of the claims hereinafter and the description above.
[0077] The single point touch shower in the present invention introduces
the ratchet wheel to the switching mechanism of the swing switch shower,
and the switching of different outlet functions is achieved by the
one-way rotation of the ratchet wheel, so that the single point touch
switching and rotary switching are achieved with simple switching
mechanism, small space occupation and good industrial applicability.
Patent applications by Hexian Cai, Xiamen CN
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1Huasong Zhou
2Jianmin Chen
3Carl L.c. Kah, Jr.
4Samuel C. Walker
5Mauro Grandi