Patents by Inventor Yung Yung Sun
Yung Yung Sun 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: 20100095879Abstract: A pressure display device includes a body having an adjustment valve and a display unit connected thereto. The pressurized air enters into the body via paths and the display unit. The pressure detection member detects the pressure and displays the value of the pressure in the display screen. The display screen can be adjusted its position relative to the body by rotating the rotary part such that the user can check value easily.Type: ApplicationFiled: October 18, 2008Publication date: April 22, 2010Applicant: Storm Pneumtic Co. Ltd.Inventors: Yung-yung Sun, Chuan-Ching Cheng
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Patent number: 7635293Abstract: A grinding machine with a length-adjustable dust collecting structure includes a dust collecting structure, and the dust collecting structure includes a dust collecting pipe and a moving element, and the moving element is installed at a front end of the dust collecting pipe for collecting dusts produced after a grinding process, and the moving element can be pushed or retracted from the front end of the dust collecting pipe, such that the displacement of the moving element at the front end of the dust collecting pipe allows the dust collecting pipe to effectively suck the dusts produced during the grinding process.Type: GrantFiled: February 26, 2008Date of Patent: December 22, 2009Assignee: Storm Pneumtic Tool Co., Ltd.Inventors: Yung-yung Sun, Chuan-ching Cheng
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Publication number: 20090215364Abstract: A grinding machine with a length-adjustable dust collecting structure includes a dust collecting structure, and the dust collecting structure includes a dust collecting pipe and a moving element, and the moving element is installed at a front end of the dust collecting pipe for collecting dusts produced after a grinding process, and the moving element can be pushed or retracted from the front end of the dust collecting pipe, such that the displacement of the moving element at the front end of the dust collecting pipe allows the dust collecting pipe to effectively suck the dusts produced during the grinding process.Type: ApplicationFiled: February 26, 2008Publication date: August 27, 2009Inventors: Yung-yung Sun, Chuan-ching Cheng
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Patent number: 7530885Abstract: A pneumatic grinder with improved handle structure comprising a driving portion, a connecting portion, and a grinding portion wherein the connecting portion has a handle fixing portion at one side thereof that has an accommodating space to receive a pivot element wherein the handle fixing portion has a slot on the top thereof, and further, a handle is fixed with the pivot element by screwing so that the handle can be pivoted along the slot and the grip angle thereof can therefore be adjusted.Type: GrantFiled: October 25, 2006Date of Patent: May 12, 2009Assignee: Storm Pneumtic Tool Co., Ltd.Inventors: Yung-yung Sun, Chuan-ching Cheng
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Patent number: 7465222Abstract: A grinding wheel includes a grinder engaged between a front cover and a rear cover, and rough portions of the front cover and the rear cover press against the grinder tightly. After center rods and fixed rods of the front cover and the rear cover are passed through center holes and fixing holes of the grinder, a bolt is passed through the fixing hole and secured with the nut to form a grinding wheel.Type: GrantFiled: December 10, 2007Date of Patent: December 16, 2008Assignee: Storm Pneumtic Tool Co., Ltd.Inventors: Yung-yung Sun, Chuan-ching Cheng
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Publication number: 20080173460Abstract: An air tool with two exhaust pipes has a case that holds an air inlet, an air motor, an inlet switch for controlling the operation of the air motor, and an action element driven by the air motor. Both sides of the air tool are provided with an exhaust pipe connecting to the air motor. During the operation of the air tool, the exhaust is expelled via the two exhaust pipes simultaneously.Type: ApplicationFiled: January 22, 2007Publication date: July 24, 2008Inventors: Yung-yung Sun, Chuan-ching Cheng
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Publication number: 20080102739Abstract: A pneumatic grinder with improved handle structure comprising a driving portion, a connecting portion, and a grinding portion wherein the connecting portion has a handle fixing portion at one side thereof that has an accommodating space to receive a pivot element wherein the handle fixing portion has a slot on the top thereof, and further, a handle is fixed with the pivot element by screwing so that the handle can be pivoted along the slot and the grip angle thereof can therefore be adjusted.Type: ApplicationFiled: October 25, 2006Publication date: May 1, 2008Inventors: Yung-yung Sun, Chuan-ching Cheng
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Publication number: 20080029281Abstract: A pneumatic tool including a cylindrical main body in which a speed-adjusting section is disposed and a hollow barrel-shaped plastic sleeve fitted around the main body. The speed-adjusting section has an end section which is radially connected with an inner annular wall. Two opposite pin seats are disposed on one side of the plastic sleeve. Each pin seat has a pinhole. A pin member is fitted through two lugs of a press lever and the pinholes of the pin seats to pivotally connect the press lever with the plastic sleeve. After the plastic sleeve is fitted around the main body, an annular receiving space is defined between an outer circumference of the annular wall of the main body and an inner circumference of the plastic sleeve. The annular receiving space is not occupied by any other component so that an annular muffling member can be accommodated in the annular receiving space.Type: ApplicationFiled: August 16, 2007Publication date: February 7, 2008Inventors: Yung-yung Sun, Chuan-Ching Cheng
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Patent number: 7300337Abstract: A grinding machine with a dust collector includes a driving portion, a transmitting portion, a dust-collecting tube, a fender, an air intake connector and a grinding wheel. The dust produced by the rotation of the grinding wheel is sucked by the dust-collecting tube having an inner tube. The inner tube is interconnected with an exhaust vent of the driving portion and the dust-discharging opening. An outlet of the inner tube is parallel to an airflow passage of the dust-discharging opening, such that when an exhaust gas is discharged from the inner tube, a siphon effect is produced at the airflow passage of the dust-collecting tube to suck and collect the dusts produced by the grinding wheel.Type: GrantFiled: October 25, 2006Date of Patent: November 27, 2007Assignee: Storm Pneumtic Tool Co., Ltd.Inventors: Yung-yung Sun, Chuan-ching Cheng
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Publication number: 20070251709Abstract: A pneumatic tool including a cylindrical main body in which a speed-adjusting section is disposed and a hollow barrel-shaped plastic sleeve fitted around the main body. The speed-adjusting section is connected with an inner annular wall axially extending from one end of the speed-adjusting section and outwardly protruding from the main body. Two opposite pin seats having pinholes are disposed on of the plastic sleeve. A pin member is fitted through two lugs of a press lever and the pinholes of the pin seats to pivotally connect the press lever with the plastic sleeve. An annular receiving space is defined between an outer circumference of the annular wall of the main body and an inner circumference of the plastic sleeve. An additional annular muffling member can be fitted in the annular receiving space to enhance the muffling effect.Type: ApplicationFiled: April 27, 2006Publication date: November 1, 2007Inventors: Yung-yung Sun, Chuan-ching Cheng
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Patent number: 7273412Abstract: An abrasive wheel with improved structure comprises: an abrasive component, an adapting ring received by the combining hole in the central region of the abrasive component, two covers which are posited about both mounting surfaces respectively, wherein each cover at the surface thereof facing to the corresponding mounting surface has a pressing segment and a blocking segment, wherein each pressing segment comprises a plurality of teeth so that after the disclosed abrasive wheel is assembled, the blocking segment leans against the inner wall of the combining hole and the teeth of the pressing segment lean against the corresponding mounting surface, and further, a plurality of raised columns provided at the surface of each cover facing to the corresponding mounting surface and each opening defined by each two adjacent raised columns which is complementary to the shape of the raised columns so that after the disclosed abrasive wheel is assembled, the raised columns of either the cover can be engaged by the openiType: GrantFiled: October 3, 2006Date of Patent: September 25, 2007Assignee: Storm Pneumtic Tool Co., Ltd.Inventors: Yung-yung Sun, Chuan-ching Cheng
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Patent number: 7238095Abstract: A pneumatic grinder with improved muffling structure primarily comprises a driving portion, a grinding wheel fixing portion provided at one end of the driving portion, a first housing connected to the other end of the driving portion by means of a combining portion, a second housing mounted onto the first housing, and a plurality of first and second exhaust openings arranged in staggered fashion respectively on the first and second housings. Said structure allows the pneumatic grinder to discharge waste air through foresaid two layers of exhaust openings in staggered fashion arranged in order to reduce noise during air exhaust.Type: GrantFiled: November 20, 2006Date of Patent: July 3, 2007Assignee: Storm Pneumtic Tool Co., Ltd.Inventors: Yung-yung Sun, Chuan-ching Cheng
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Patent number: 7144315Abstract: A grinding wheel including a ring-shaped wheel, a first fixing cap, a second fixing cap and a buffer member. The ring-shaped wheel has a fixing section and a working section formed along outer circumference of the fixing section. The first and second fixing caps are respectively mounted on two sides of the fixing section. The buffer member is positioned between the first and second fixing caps for reducing shock produced in operation. The circumference of the buffer member is formed with multiple movable vanes. When the grinding wheel is rotated at high speed, the centrifugal force will deform the movable vanes of the buffer member to lean on the ring-shaped wheel for supporting the working section thereof.Type: GrantFiled: August 5, 2005Date of Patent: December 5, 2006Assignee: Storm Pneumatic Tool Co., Ltd.Inventors: Yung-yung Sun, Chuan-ching Cheng
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Patent number: 7118467Abstract: A pneumatic buffing machine including a housing having an internal chamber in which a pneumatically driven motor set is mounted. The motor set includes an eccentric block for driving a grinding disc. A skirt shade is screwed under a bottom of the housing by means of outer thread and inner thread. The skirt shade has a large diameter section and a small diameter section. The skirt shade is formed with a central through hole. The eccentric block of the motor set is passed through the through hole and accommodated in the large diameter section. A shoulder section is formed between the large diameter section and the small diameter section and adjacent to the outer thread of the small diameter section. A top end of the small diameter section serves as a stopper section.Type: GrantFiled: April 8, 2005Date of Patent: October 10, 2006Inventors: Yung-Yung Sun, Chuan Ching Cheng
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Patent number: 6932165Abstract: A controlling mechanism of pneumatic tool. The controlling mechanism is formed with a radial hole in which a speed adjustment button and a direction switching button are disposed. A pad member is disposed between the speed adjustment button and direction switching button. The speed adjustment button is formed with an axial through hole in which a pin member is inserted. One end of the pin member is formed with a through hole. A valve rod is passed through a through hole of an inlet passage of the main body of the pneumatic tool and inserted into the through hole of the pin member. When the pin member is driven, the valve rod is driven to bias a valve plate, whereby the air can get into the main body of the pneumatic tool.Type: GrantFiled: July 6, 2004Date of Patent: August 23, 2005Inventors: Yung Yung Sun, Chuan-Ching Cheng
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Publication number: 20050170763Abstract: A pneumatic buffing machine including a housing having an internal chamber in which a pneumatically driven motor set is mounted. The motor set includes an eccentric block for driving a grinding disc. A skirt shade is screwed under a bottom of the housing by means of outer thread and inner thread. The skirt shade has a large diameter section and a small diameter section. The skirt shade is formed with a central through hole. The eccentric block of the motor set is passed through the through hole and accommodated in the large diameter section. A shoulder section is formed between the large diameter section and the small diameter section and adjacent to the outer thread of the small diameter section. A top end of the small diameter section serves as a stopper section.Type: ApplicationFiled: April 8, 2005Publication date: August 4, 2005Inventors: Yung-Yung Sun, Chuan Cheng
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Patent number: 6901665Abstract: A pneumatic pruning hook with a telescopic shank includes a handle having a chamber defined therein and connected to a compressed air source, a valve mounted in the chamber for selectively allowing the compressed flowing into the chamber. The telescopic shank includes an outer tube longitudinally secured to the handle and an inner tube partially slidably received in the outer tube. A work device is secured on the inner tube opposite to the handle. A spiraled hose is received in the telescopic shank and respectively connected the handle and the work device for guiding the compressed air into the work device. A safety is mounted to the work device for selectively engaged to the work device to prevent the work device from an unexpected operation.Type: GrantFiled: October 20, 2003Date of Patent: June 7, 2005Inventors: Yung Yung Sun, Chuan Ching Cheng
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Patent number: 6793701Abstract: An air-liquid separating apparatus for compressed air includes a cooling device adapted to be connected to an air source via a first transfer tube. The cooling device includes a liquid cooling tank filled with cooling agent and a cooling tube spiraled in the liquid cooling tank for condensing and separating the mist in the compressed air. An air-liquid separating tank is connected to the liquid cooling tank, wherein the compressed air is cooled and released again in the air-liquid separating tank. The air-liquid separating tank includes a backflow tube connected to the air-liquid separating tank for outputting the compressed air. The backflow tube is provided to carry the heat from the cooling device.Type: GrantFiled: July 10, 2003Date of Patent: September 21, 2004Inventors: Yung-Yung Sun, Chuan-Ching Cheng
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Patent number: D544890Type: GrantFiled: September 22, 2006Date of Patent: June 19, 2007Assignee: Storm Pneumtic Tool Co., Ltd.Inventors: Yung-yung Sun, Chuan-Ching Cheng
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Patent number: D592480Type: GrantFiled: April 30, 2008Date of Patent: May 19, 2009Assignee: Storm Pneumtic Tool Co., Ltd.Inventors: Yung-Yung Sun, Chuan Ching Cheng