Patents by Inventor Huai Chen
Huai Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20190017321Abstract: A winding device for a roller shade includes a side bracket (1), a self-locking unit (2) and a return wheel module (3). The self-locking unit is mounted in the side bracket and includes at least one support member (21) and at least one stop member (22). The return wheel module is mounted in the side bracket and includes a return wheel (31), a winder wheel (32) and a volute spiral blade spring (33) stretched between the return wheel and the winder wheel. The volute spiral blade spring has a distal end (331) connected to the winder wheel and is provided with a locking portion (332) that is located at the distal end and is movable to lock the at least one stop member.Type: ApplicationFiled: July 14, 2017Publication date: January 17, 2019Inventor: Ju-Huai Chen
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Patent number: 10113359Abstract: A gear structure includes at least one return wheel unit (1) and a power transmission unit (2). The at least one return wheel unit includes a first wheel (12) having a first gear (123), a second wheel (13) having a second gear (133), and a spring (14) mounted between the first wheel and the second wheel. The power transmission unit includes a first driven gear set (22), a second driven gear set (23) and a transmission member (24). The first driven gear set has a third gear (222) and a first bevel gear (223). The third gear meshes with the second gear. The second driven gear set has a second bevel gear (232) meshing with the first bevel gear. The transmission member is connected between the driving member and the second driven gear set.Type: GrantFiled: October 20, 2017Date of Patent: October 30, 2018Assignee: My Home Global CompanyInventor: Ju-Huai Chen
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Publication number: 20180235331Abstract: The present invention provides a flow-guiding device, comprising: a flow-guiding passage, a plurality of a first control valves, a flow-guiding bag and a flow-guiding tube. One end of the flow-guiding passage is connected to a flow-guiding opening and the other end of the flow-guiding passage is connected to a plurality of first control valves. The plurality of first control valves are further connected to the flow-guiding bag, which is connected to one end of the flow-guiding tube. By opening the plurality of first control valves, the fluid coming down from the flow-guiding opening is directed to flow into the flow-guiding bag, and by closing the plurality of first control valves. The other end of the flow-guiding tube is connected to a second control valve; by opening the second control valve, the fluid inside the flow-guiding bag is discharged. The present invention also provides an umbrella having a flow-guiding device.Type: ApplicationFiled: January 31, 2018Publication date: August 23, 2018Inventor: Huai Chen
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Patent number: 9890584Abstract: A shade assembly includes a first shading unit, a plurality of second shading units detachably connected with the first shading unit and arranged at the bottom of the first shading unit, and a third shading unit detachably connected with the first shading unit and arranged at the front face of the first shading unit. Thus, the shade cloth of each of the second shading units and the shade cloth of the third shading unit are expanded and folded to regulate the shading effect and the indoor brightness.Type: GrantFiled: May 24, 2017Date of Patent: February 13, 2018Assignee: My Home Global CompanyInventor: Ju-Huai Chen
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Patent number: 9885208Abstract: A window covering auxiliary device includes at least one attracted member, an operation handle and at least one attracting member. The at least one attracted member is mounted on a window covering. The operation handle includes a holding unit and a guiding unit. The guiding unit is mounted on the holding unit and has a top provided with a guide portion which is provided with a receiving recess. The at least one attracting member is mounted in the receiving recess of the operation handle. The at least one attracting member and the at least one attracted member are magnetically attracted with each other.Type: GrantFiled: June 30, 2017Date of Patent: February 6, 2018Assignee: My Home Global CompanyInventor: Ju-Huai Chen
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Patent number: 9765566Abstract: A cordless motorized roller shade includes a motorized operation device, a shading device mounted on the motorized operation device and hanging down, and a combination module detachably mounted between the motorized operation device and the shading device. Thus, the roll cloth member of the motorized operation device is pressed by the holding units of the shading device so that the roll cloth member is kept at a straight state smoothly when hanging down. In addition, when the roll cloth member is moved upward, the rotary return wheel module of the motorized operation device aids the upward movement of the roll cloth member to reduce consumption of the electric power of the drive motor of the motorized operation device during operation so that the roll cloth member is folded upward in an energy-saving manner.Type: GrantFiled: May 20, 2016Date of Patent: September 19, 2017Assignee: Calendar Enterprises Co., Ltd.Inventor: Ju-Huai Chen
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Patent number: 9719297Abstract: A roller shade includes a frame unit (1), a micro-adjustment device (2) connected with the frame unit, and a shading unit (3) connected with the micro-adjustment device. The micro-adjustment device includes a drive shaft (21) mounted on the frame unit. The shading unit includes a first shade cloth (31) secured to a rear portion the drive shaft, a second shade cloth (32) secured to a front portion of the drive shaft, and a plurality of separation slats (33) mounted between the first shade cloth and the second shade cloth. When the shading unit is fully expanded, the inclined angle of each of the separation slats is adjusted by operation of the micro-adjustment device so as to regulate the lightness of the sunshine entering the house and to adjust the shading effect of the shading unit.Type: GrantFiled: January 27, 2016Date of Patent: August 1, 2017Assignee: Calendar Enterprise Co., Ltd.Inventor: Ju-Huai Chen
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Publication number: 20170211323Abstract: A roller shade includes a frame unit (1), a micro-adjustment device (2) connected with the frame unit, and a shading unit (3) connected with the micro-adjustment device. The micro-adjustment device includes a drive shaft (21) mounted on the frame unit. The shading unit includes a first shade cloth (31) secured to a rear portion the drive shaft, a second shade cloth (32) secured to a front portion of the drive shaft, and a plurality of separation slats (33) mounted between the first shade cloth and the second shade cloth. When the shading unit is fully expanded, the inclined angle of each of the separation slats is adjusted by operation of the micro-adjustment device so as to regulate the lightness of the sunshine entering the house and to adjust the shading effect of the shading unit.Type: ApplicationFiled: January 27, 2016Publication date: July 27, 2017Inventor: Ju-Huai Chen
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Publication number: 20170211324Abstract: A cordless roller shade includes a frame unit, a rolling unit, a shading unit and a plurality of holding devices. The frame unit includes a fixed track, two side brackets and a winding mechanism. The rolling unit includes a roll cloth having an upper end secured to the winding mechanism and a lower end provided with a first tubular portion, and a first weight bar mounted in the first tubular portion. The shading unit includes a shade cloth having an upper end secured to the fixed track and a lower end provided with a second tubular portion, and a second weight bar mounted in the second tubular portion. Each of the holding devices is mounted on the shade cloth. The holding devices hold the rolling unit so that the rolling unit is kept at a straight state when hanging down.Type: ApplicationFiled: January 22, 2016Publication date: July 27, 2017Inventor: Ju-Huai Chen
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Patent number: 9702189Abstract: An energy saving apparatus for an electric roller shutter contains a curtain unit, a fixing unit, a signal receiver, and a controller. The curtain unit includes a driving shaft having a chamber and a rotary connecting portion, and the curtain unit also includes a driver and a curtain. The fixing unit is configured to fix the curtain unit and includes a mounting rack, a first seat, a second seat, and a rolling assembly which reduces power consumption of the driver and facilitates an upward rolling of the curtain, when the curtain rolls. The signal receiver is electrically connected with the driver and includes a casing, a coupling portion, a power supply module, and a receiving module. The controller is configured to send a signal to the receiving module in the casing of the signal receiver, such that the driver of the curtain unit is controlled by the controller to operate.Type: GrantFiled: January 4, 2016Date of Patent: July 11, 2017Assignee: Calendar Enterprises Co., Ltd.Inventor: Ju-Huai Chen
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Patent number: 9631422Abstract: A roller shade includes a frame unit (1), a guiding unit (2) and a light regulating shading member (3). The light regulating shading member presents a two-layer state and has a plurality of light shading sections (31) and a plurality of light permeating sections (32). Each of the light permeating sections is provided with a plurality of through holes (321). When the light permeating sections at one layer of the light regulating shading member align with the light permeating sections at the other layer of the light regulating shading member, ambient sunlight passes through the through holes of each of the light permeating sections. When the light shading sections align with the light permeating sections, each of the light shading sections covers the through holes of each of the light permeating sections to interrupt the sunlight.Type: GrantFiled: February 1, 2016Date of Patent: April 25, 2017Assignee: Calendar Enterprises Co., Ltd.Inventor: Ju-Huai Chen
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Publication number: 20170096855Abstract: An energy saving apparatus for an electric roller shutter contains a curtain unit, a fixing unit, a signal receiver, and a controller. The curtain unit includes a driving shaft having a chamber and a rotary connecting portion, and the curtain unit also includes a driver and a curtain. The fixing unit is configured to fix the curtain unit and includes a mounting rack, a first seat, a second seat, and a rolling assembly which reduces power consumption of the driver and facilitates an upward rolling of the curtain, when the curtain rolls. The signal receiver is electrically connected with the driver and includes a casing, a coupling portion, a power supply module, and a receiving module. The controller is configured to send a signal to the receiving module in the casing of the signal receiver, such that the driver of the curtain unit is controlled by the controller to operate.Type: ApplicationFiled: January 4, 2016Publication date: April 6, 2017Inventor: Ju-Huai Chen
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Patent number: 9540868Abstract: A shade includes a main unit and a plurality of magnetic members. The main unit includes a shade cloth member and a plurality of transverse bars. The shade cloth member is provided with a first tubular portion and a second tubular portion and divided into a first shading portion and a second shading portion. The second shading portion is divided into a plurality of movable shading pieces each provided with a plurality of transverse mounting sleeves. The transverse bars are mounted in the second tubular portion and the mounting sleeves. The magnetic members are mounted in the transverse bars. Thus, the second shading portion can regulate the incident sunlight passing through the shade cloth member by expanding, partially folding or fully folding each of the movable shading pieces to adjust the shading effect of the shade cloth member.Type: GrantFiled: April 21, 2015Date of Patent: January 10, 2017Assignee: My Home Global CompanyInventor: Ju-Huai Chen
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Publication number: 20160312527Abstract: A shade includes a main unit and a plurality of magnetic members. The main unit includes a shade cloth member and a plurality of transverse bars. The shade cloth member is provided with a first tubular portion and a second tubular portion and divided into a first shading portion and a second shading portion. The second shading portion is divided into a plurality of movable shading pieces each provided with a plurality of transverse mounting sleeves. The transverse bars are mounted in the second tubular portion and the mounting sleeves. The magnetic members are mounted in the transverse bars. Thus, the second shading portion can regulate the incident sunlight passing through the shade cloth member by expanding, partially folding or fully folding each of the movable shading pieces to adjust the shading effect of the shade cloth member.Type: ApplicationFiled: April 21, 2015Publication date: October 27, 2016Inventor: Ju-Huai Chen
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Patent number: 9274988Abstract: A mode switch method of an portable electronic device includes: when the electronic device is electrically connected to a host, setting the electronic device to start to be operated under a first mode; when the host has installed a operating system, detecting whether the host has a driver of the electronic device or not; when the host has the driver of the electronic device, the electronic device continues to be operated under the first mode; and when the host does not have the driver of the electronic device, switching the electronic device to be operated under a second mode.Type: GrantFiled: January 21, 2013Date of Patent: March 1, 2016Assignee: Realtek Semiconductor Corp.Inventors: Chin-Yu Hsu, Yi-Huai Chen
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Publication number: 20150211295Abstract: A curtain includes a storage module, a rear unit and a screen. The storage unit has a first fixing unit, a second fixing unit, a shaft and a driving unit. The curtain fixes to a wall by the first fixing unit and the second fixing unit. One end of the shaft is fixed to the first fixing unit. The driving unit has an elastic unit and a rotating shaft which are set on the second fixing unit. The opposite end of the shaft is connected to the rotating shaft. The rear unit has a first connecting part, a second connecting part and a plurality of first sticking parts. The first connecting part connects to the shaft. The screen has a plurality of second sticking parts. The second sticking parts stick to the first sticking part correspondingly to form a roman shades by the screen on the rear unit.Type: ApplicationFiled: January 28, 2014Publication date: July 30, 2015Applicant: CHICOLOGY, INC.Inventor: Ju-Huai Chen
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Publication number: 20150034256Abstract: This invention is a curtain production method which comprises the following processes: A. Provide a substrate 1 and a substrate 2. B. Bond the first bonding point of substrate 2 to substrate 1. C. Bond the second bonding point of substrate 2 to a selected point on substrate 1 to form a hollow structure; the distance between these two bonding points on substrate 1 is smaller than the distance between two bonding points on substrate 2. At the same time this invention provides curtains produced by this curtain structure producing method. Therefore this invention also provides fast produced and low cost Roman curtain.Type: ApplicationFiled: July 31, 2013Publication date: February 5, 2015Applicant: CHICOLOGY, INC.Inventor: Ju-Huai CHEN
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Patent number: 8850668Abstract: A curtain bead chain fixing device includes a bead chain guide way through which a bead chain as a pull cord for controlling a curtain is extended and thereby becomes connected to the fixing device, and an elastically movable interfering element being normally pushed into the bead chain guide way to interfere with the free movement of the bead chain in and along the bead chain guide way. When the fixing device is adequately mounted to a wall surface according to specified installation procedures, the interfering element is forced out of the bead chain guide way to release the bead chain therefrom. Therefore, a user of the curtain is urged and guided to adequately mount the fixing device to hold the bead chain in place, and undesired accidents caused by a swinging bead chain can be avoided.Type: GrantFiled: November 3, 2009Date of Patent: October 7, 2014Assignee: My Home Global CompanyInventor: Ju-Huai Chen
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Publication number: 20140189977Abstract: A self-propelled cleaning device includes a chassis with a protrusion, such that a side brush mechanism is proximate to the external periphery of the contour of the chassis, and an elastic element installed between a driving wheel set and the chassis for providing buffer and shock absorption. An interval is formed between the front edge of the chassis and a dust inlet for guiding dust into a dust collecting case in a chassis containing groove, and the containing groove has a first spacer apart from a control unit and a second spacer separating a carrying space from a negative pressure device. The second spacer has a passage interconnecting the containing groove and the carrying space, and the dust collecting case has separated first and second sides.Type: ApplicationFiled: August 21, 2013Publication date: July 10, 2014Applicant: UNI-RING TECH, CO. LTD.Inventors: HSUAN-FAN WANG, HUI-CHEN CHEN, TANG-HUAI CHEN
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Publication number: 20140157547Abstract: A gravity-balancing device mounted to a head roller of an electric roller shade includes a mounting bracket, a spiral elastic element mounted to the mounting bracket, and a winding element rotatably mounted to the mounting bracket to locate adjacent to the spiral elastic element and connect to the head roller. The spiral elastic element has a fixing end connected to the mounting bracket and a connecting end connected to the winding element. When the head roller is driven by a motor of the electric roller shade to rotate and lower a shade fabric of the roller shade, the gravity-balancing device synchronously generates an upward winding force to the head roller to offset a gravitational force lowering the shade fabric, so that the motor can drive the head roller to rotate reversely and lift the shade fabric with reduced motor torque output to save power and extend the motor life.Type: ApplicationFiled: December 7, 2012Publication date: June 12, 2014Applicant: CHICOLOGY, INC.Inventor: JU-HUAI CHEN