Patents by Inventor Ching-An Shu
Ching-An Shu 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: 20140246894Abstract: A bicycle hub assembly includes a hub shell defining a toothed drive member mounting hole and a locating groove, a locating member having a positioning portion accommodated in the locating groove of the hub shell, and a toothed drive member having a first locating portion fastened to the positioning portion of the locating member and a plurality of teeth. In an alternate form of the invention, the bicycle hub assembly includes a hub shell defining therein a toothed drive member mounting hole and a plug hole; a locating member having a positioning portion and a plug portion that is plugged into the plug hole of the hub shell, and a toothed drive member having a first locating portion fastened to the positioning portion of the locating member and a plurality of teeth formed therein.Type: ApplicationFiled: February 27, 2014Publication date: September 4, 2014Applicant: Chosen Co., LtdInventor: Ching-Shu CHEN
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Patent number: 8556055Abstract: A driving apparatus for a rear hub of a bicycle includes a hub shell, a single-directional driving component and a dual-directional driving component, wherein the single-directional driving component has a ratchet ring and a ratchet base, and a plurality of inclined helical surfaces are located around an inner perimeter of the ratchet ring, and a plurality of engaging ribs that engage with the wedging ribs of the fixed ring of the hub shell are located around an outer perimeter of the ratchet ring. A plurality of conjugating portions are located around an outer perimeter at one end of the ratchet base to form a resilient unit and a hook against the inclined helical surface. A plurality of conjugating ribs are located around one end of the dual-directional driving component, and the conjugating ribs are used to engage with the wedging ribs of the fixed ring of the hub shell.Type: GrantFiled: September 7, 2011Date of Patent: October 15, 2013Assignee: Chosen Co. Ltd.Inventor: Ching-Shu Chen
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Patent number: 8523292Abstract: A hub assembly for a bicycle includes a shaft, a hub body rotatably mounted on the shaft, a drive seat rotatably mounted on the shaft and engaging the hub body, a first bearing located between the shaft and the hub body, a second bearing located between the shaft and the hub body, and a bushing unit located between the first bearing and the second bearing. The bushing unit includes a first adjusting sleeve and a second adjusting sleeve. The first adjusting sleeve has a first end provided with an outer threaded portion and a second end abutting the first bearing. The second adjusting sleeve has a first end provided with an inner threaded portion screwed onto the outer threaded portion of the first adjusting sleeve and a second end abutting the second bearing.Type: GrantFiled: November 2, 2010Date of Patent: September 3, 2013Assignee: Chosen Co., Ltd.Inventors: Ching-Shu Chen, Wu-Hsiung Liao
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Publication number: 20130056320Abstract: A driving apparatus for a rear hub of a bicycle includes a hub shell, a single-directional driving component and a dual-directional driving component, wherein the single-directional driving component has a ratchet ring and a ratchet base, and a plurality of inclined helical surfaces are located around an inner perimeter of the ratchet ring, and a plurality of engaging ribs that engage with the wedging ribs of the fixed ring of the hub shell are located around an outer perimeter of the ratchet ring. A plurality of conjugating portions are located around an outer perimeter at one end of the ratchet base to form a resilient unit and a hook against the inclined helical surface. A plurality of conjugating ribs are located around one end of the dual-directional driving component, and the conjugating ribs are used to engage with the wedging ribs of the fixed ring of the hub shell.Type: ApplicationFiled: September 7, 2011Publication date: March 7, 2013Applicant: CHOSEN CO. LTD.Inventor: CHING-SHU CHEN
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Patent number: 8348113Abstract: A fixing assembly for carrying a bike includes a main body having a transverse hole provided therein with transverse ribs to be secured with a rod of a carrying stand on a motor vehicle. The main body is formed with a concave portion with vertical ribs for positioning a bike frame rod or a bike wheel thereon, having a first strap with lots of one-way ratchets and a second strap for receiving an engaging device that has a base to be secured with the second strap. The base is provided with a micro-adjusting member for adjusting combined tightness of the first and the second strap, and an engaging member for engaging the one-way ratchets of the first strap to prevent the first strap from moving reversely and a releasing member for pulling open the engaging member to release and separate the first strap and the second strap.Type: GrantFiled: May 28, 2010Date of Patent: January 8, 2013Assignee: Hern Juei Co., Ltd.Inventor: Ching-Shu Huang
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Patent number: 8336694Abstract: A hub assembly includes a shaft, a hub mounted on the shaft and having a plurality of locking grooves, a driven ring mounted in the hub and having a plurality of oneway ratchet teeth, a drive seat rotatably mounted on the shaft, a drive ring mounted on the drive seat and received in the driven ring, a plurality of pawl members mounted on the drive ring and meshing with the oneway ratchet teeth, a sprocket secured on the drive seat, and a control ring slidably mounted on the drive seat and having a plurality of locking blocks releasably locked in the locking grooves. Thus, a user only needs to move the control ring to switch the operation modes of the bicycle between a normal riding and an acrobatic performance so that the user can change the two operation modes easily and quickly.Type: GrantFiled: March 2, 2010Date of Patent: December 25, 2012Assignee: Chosen Co., Ltd.Inventor: Ching-Shu Chen
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Patent number: 8317068Abstract: The bicycle carrier rack includes a main frame, a swaying frame and an adjustment device. The main frame stands vertically, combined with the swaying frame by the adjustment device. Fixed at the bottom portion of the main frame is a positioning rack to connect with a vehicle or a trailer. Two positioning holes are bored in the main frame. The swaying frame is combined with the main frame by the adjustment device, having a positioning member and a positioning projection employed to primarily position with positioning holes of the main frame. The adjustment device has a shell, and a movable element installed in the shell to co-work with the positioning member of the swaying frame. With a starting element to control the movable element, the adjustment device can work to alter the combined status of the main frame and the swaying frame, enabling the bicycle carrier rack unfolded or folded.Type: GrantFiled: July 2, 2010Date of Patent: November 27, 2012Assignee: Hern Juei Co., Ltd.Inventor: Ching-Shu Huang
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Patent number: 8276731Abstract: A hub for a bicycle includes a shaft (12), a hub body (40), a ratchet wheel (43), a drive seat (10), a support ring (15), a rotation ring (21), a plurality of pawl members (22), a stop bushing (121), a limit ring (30) and a damper (33). Thus, when the drive seat is rotated backward by the pedal, each of the pawl members is retracted into the respective receiving slot (212) of the rotation ring to disengage the oneway ratchet teeth (42) of the ratchet wheel, so that each of the pawl members is spaced from and will not touch the ratchet wheel when the pedal is driven backward to prevent from producing a noise when the pedal is driven backward.Type: GrantFiled: September 14, 2009Date of Patent: October 2, 2012Assignee: Chosen Co., Ltd.Inventor: Ching-Shu Chen
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Patent number: 8233142Abstract: In a monitoring method of an exposure apparatus, a top critical dimension (TCD) and a bottom critical dimension (BCD) of the test pattern formed on a photo-sensitive material layer are measured. A dose deviation (?E) and a focus deviation (?F) are calculated by following equations: TCD+BCD=??E+(TCD0+BCD0) TCD?BCD=?1?F+?2?F3 Here, ?, ?1 and ?2 are constants, ?E=E?E0, ?F=F?F0, E represents a real exposure dose, F represents a real exposure focus, E0 represents a dose defined when a middle critical dimension of the test pattern is equal to a predetermined value, F0 represents a focus defined when TCD of the test pattern is equal to BCD thereof, and TCD0 and BCD0 are theoretical values in case of E0 and F0.Type: GrantFiled: September 29, 2009Date of Patent: July 31, 2012Assignee: United Microelectronics Corp.Inventors: Da-Bai Jiang, Ching-Shu Lo
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Publication number: 20120139327Abstract: A hub assembly for a bicycle includes a hub, a drive seat arranged on the hub, a protective bushing mounted on the drive seat, and a freewheel unit mounted on the protective bushing. The drive seat has an outer periphery provided with a plurality of positioning ribs. The protective bushing has an inner periphery provided with a plurality of positioning grooves forcibly fitted onto the positioning ribs and has an outer periphery provided with a plurality of reinforcing ribs each surrounding the respective positioning groove. Thus, the positioning ribs of the drive seat are reinforced by the reinforcing ribs of the protective bushing so that when the drive seat is subjected to a torque which is applied by the rotating freewheel unit, the positioning ribs can withstand the torque without producing distortion or wear.Type: ApplicationFiled: December 2, 2010Publication date: June 7, 2012Inventor: Ching-Shu Chen
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Publication number: 20120104838Abstract: A hub assembly for a bicycle includes a shaft, a hub body rotatably mounted on the shaft, a drive seat rotatably mounted on the shaft and engaging the hub body, a first bearing located between the shaft and the hub body, a second bearing located between the shaft and the hub body, and a bushing unit located between the first bearing and the second bearing. The bushing unit includes a first adjusting sleeve and a second adjusting sleeve. The first adjusting sleeve has a first end provided with an outer threaded portion and a second end abutting the first bearing. The second adjusting sleeve has a first end provided with an inner threaded portion screwed onto the outer threaded portion of the first adjusting sleeve and a second end abutting the second bearing.Type: ApplicationFiled: November 2, 2010Publication date: May 3, 2012Inventors: Ching-Shu Chen, Wu-Hsiung Liao
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Patent number: 8151782Abstract: A baseball batting practice equipment includes a base provided with a movable member controlled to operate by the retaining post of a ball pitching speed adjustment device that is disposed with bevel gears and an actuating member for regulating the speed of ball pitching. An elastic member has opposite sides respectively secured with the movable member and the base for assisting the movable member to recover its original position. The base is further provided with a hooking member for holding an elastic plate and, after the movable member touches the hooking member, releasing the elastic plate for pitching balls. A ball pitching apparatus is provided with an elastic member for adjusting and delaying time of ball pitching, a gear unit and an actuating rod for winding tight or unwinding loose the elastic member. A power unit with a pedal is to carry out pitching balls.Type: GrantFiled: February 11, 2010Date of Patent: April 10, 2012Assignee: Hern Juie Co., Ltd.Inventor: Ching-Shu Huang
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Patent number: 8127909Abstract: A hub assembly for a bicycle includes a shaft (12), a hub body (40), a driven ring (43), a drive seat (10), a rotation ring (20), a plurality of pawl members (22), a plurality of push balls (23), a mounting sleeve (32), a damping ring (30), and a plurality of tension adjusting mechanisms (37). Thus, each of the pawl members is driven by each of the push balls in a rolling manner so that each of the pawl members is moved smoothly and stably without incurring sliding friction, thereby facilitating operation of the drive seat. In addition, each of the tension adjusting mechanisms is used to adjust the damping force of the damping ring, so that the damping force of the damping ring is distributed evenly.Type: GrantFiled: December 22, 2009Date of Patent: March 6, 2012Assignee: Chosen Co., Ltd.Inventor: Ching-Shu Chen
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Patent number: 8118541Abstract: A multi-functional air circulation system includes a bottom base, a flow-splitting base, a filter and a main engine. The bottom base has a lower flow-guiding surface, a net, and a space used to contain diverse improving agents. The flow-splitting base is fixed on the bottom base, including an inner flow-guiding surface to rush air flow generated by a blade member down to the bottom base. The filter is laid at an exit of the inner flow-guiding surface, composed of two filter bases forming a room between them for containing aromatic powder, etc. The main engine includes a motor having its shaft fixed with a blade member, and a control system. The motor is installed in a rear shell combined with a front shell. Air is sucked in through the rear shell to run through an ornamental shell and the flow-splitting base to enter a room. The main engine and the bottom base can also be assembled to work independently.Type: GrantFiled: May 15, 2008Date of Patent: February 21, 2012Assignees: Jih-I Ou, Hern Juei Co., Ltd.Inventors: Jih-I Ou, Ching-Shu Huang
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Publication number: 20120000953Abstract: The bicycle carrier rack includes a main frame, a swaying frame and an adjustment device. The main frame stands vertically, combined with the swaying frame by the adjustment device. Fixed at the bottom portion of the main frame is a positioning rack to connect with a vehicle or a trailer. Two positioning holes are bored in the main frame. The swaying frame is combined with the main frame by the adjustment device, having a positioning member and a positioning projection employed to primarily position with positioning holes of the main frame. The adjustment device has a shell, and a movable element installed in the shell to co-work with the positioning member of the swaying frame. With a starting element to control the movable element, the adjustment device can work to alter the combined status of the main frame and the swaying frame, enabling the bicycle carrier rack unfolded or folded.Type: ApplicationFiled: July 2, 2010Publication date: January 5, 2012Applicant: HERN JUEI CO., LTD.Inventor: CHING-SHU HUANG
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Publication number: 20120000951Abstract: A bike frame for a sedan includes a horizontal main frame to be combined with a movable frame by adjusting devices that function to adjust the combined conditions between the main frame and the movable frame. The movable frame is provided with an auxiliary frame serving as a sitting means of combination of the movable frame and the rear side of a sedan. The adjusting devices are respectively disposed with a movable member to be fitted on the main frame, and formed with a receiving notch for receiving the movable frame and provided with a driving member combined with and positioned under the movable member. Further, the adjusting devices respectively have an elastic member for positioning the movable member, and a fit cover for covering all foresaid members and combined together with the main frame and the movable frame.Type: ApplicationFiled: July 2, 2010Publication date: January 5, 2012Applicant: HERN JUEI CO., LTD.Inventor: CHING-SHU HUANG
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Publication number: 20110290840Abstract: A fixing assembly for carrying a bike includes a main body having a transverse hole provided therein with transverse ribs to be secured with a rod of a carrying stand on a motor vehicle. The main body is formed with a concave portion with vertical ribs for positioning a bike frame rod or a bike wheel thereon, having a first strap with lots of one-way ratchets and a second strap for receiving an engaging device that has a base to be secured with the second strap. The base is provided with a micro-adjusting member for adjusting combined tightness of the first and the second strap, and an engaging member for engaging the one-way ratchets of the first strap to prevent the first strap from moving reversely and a releasing member for pulling open the engaging member to release and separate the first strap and the second strap.Type: ApplicationFiled: May 28, 2010Publication date: December 1, 2011Applicant: HERN JUEI CO., LTD.Inventor: CHING-SHU HUANG
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Patent number: 8051751Abstract: A lockable torque-limiting driver includes a body and a sleeve received in a sleeve chamber of the body and secured therein by recesses inside the body. The sleeve is provided with projecting edges on the outer wall to be respectively fitted in the recesses of the body, plural recessed grooves at the inner wall for fixing an upper cam, and female threads at the inner wall to be screwed with the male threads of a torque-limiting member, further disposed with plural positioning serrations at topside and a center chamber inside. The upper cam and a lower cam respectively have one-way serrations to be mutually engaged. The torque-limiting member is fixed with positioning projections to be actuated to move on the positioning serrations of the sleeve and give out sounds by which a user can know a torque limiting extent desired.Type: GrantFiled: July 17, 2009Date of Patent: November 8, 2011Assignee: Hern Juei Co., Ltd.Inventor: Ching-Shu Huang
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Publication number: 20110214961Abstract: A hub assembly includes a shaft, a hub mounted on the shaft and having a plurality of locking grooves, a driven ring mounted in the hub and having a plurality of oneway ratchet teeth, a drive seat rotatably mounted on the shaft, a drive ring mounted on the drive seat and received in the driven ring, a plurality of pawl members mounted on the drive ring and meshing with the oneway ratchet teeth, a freewheel secured on the drive seat, and a control ring slidably mounted on the drive seat and having a plurality of locking blocks releasably locked in the locking grooves. Thus, a user only needs to move the control ring to switch the operation modes of the bicycle between a normal riding and an acrobatic performance so that the user can change the two operation modes easily and quickly.Type: ApplicationFiled: March 2, 2010Publication date: September 8, 2011Inventor: Ching-Shu Chen
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Patent number: 8002302Abstract: A kickstand for a bicycle includes a support stand, a connector detachably mounted on an upper portion of the support stand, and a quick release device releasably mounted on the connector. The quick release device is releasably locked onto a rear wheel axle of the bicycle to attach the support stand to the rear wheel axle. Thus, the kickstand is mounted on and detached from the rear wheel axle of the bicycle easily and quickly by locking and unlocking the quick release device, thereby facilitating a user mounting and detaching the kickstand.Type: GrantFiled: April 21, 2008Date of Patent: August 23, 2011Assignee: Chosen Co., Ltd.Inventor: Ching-Shu Chen