Patents Assigned to Chervon Limited
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Publication number: 20110227300Abstract: An adapter for a multifunctional tool includes a converter with a first form-locating component mating with an output shaft end of the multifunctional tool and a fixer with a form-fit component mateable with the converter.Type: ApplicationFiled: July 7, 2010Publication date: September 22, 2011Applicant: CHERVON LIMITEDInventors: Xiaofeng Zhang, Zhiguo Chen, Baijun Zhang
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Publication number: 20110185581Abstract: A circular saw includes a housing, a motor having a rotating axis and a center of gravity on the rotating axis, a handle, a circular blade, a fixed guard, and a base plate having a width supporting the housing. The motor and the circular blade are parallel or coplanar with respect to each other and the circular saw does not extend beyond the width of the base plate in the width direction.Type: ApplicationFiled: July 13, 2010Publication date: August 4, 2011Applicant: Chervon LimitedInventors: Li Xing, Yibao Zhang, Feng Zhang
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Publication number: 20110167977Abstract: A leaning grid for a miter saw includes at least one upper leaning grid which is a movable leaning grid having an upper support surface for a work piece and at least one lower leaning grid having a lower support surface for the work piece. The lower leaning grid is also a movable leaning grid and may move between two support positions. The lower support surface and the upper support surface are in a same plane when the lower leaning grid is located at the support positions and the lower support surface and the upper support surface are in different planes when the lower leaning grid is located at a position that is between the support positions.Type: ApplicationFiled: January 6, 2011Publication date: July 14, 2011Applicant: CHERVON LIMITEDInventors: Kesong Xu, Jiang Wang
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Patent number: 7971361Abstract: A portable circular saw has a housing and a baseplate. The housing carries a motor which is connected to a blade through a transmission mechanism. The baseplate includes a main baseplate and a secondary baseplate each of which has a bottom surface and the bottom surfaces are coplanar. At least a part of the blade passes though a slot formed in the main baseplate. The main baseplate includes a first edge and a second edge disposed on opposing sides of the blade. The secondary baseplate has at least two exchangeable positions. In a first position, the secondary baseplate is jointed or adjacent to the first edge of the main baseplate and, in a second position, the secondary baseplate is joined or adjacent to the second edge of the main baseplate.Type: GrantFiled: April 25, 2008Date of Patent: July 5, 2011Assignee: Chervon LimitedInventors: Masatoshi Fukinuki, Zhiguo Chen
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Publication number: 20110155778Abstract: An electric hammer includes a striking device having a clamping mechanism. The clamping mechanism includes a clamping element, a sliding element, a first biasing device and a second biasing device. The sliding element is provided with a guide portion in which the clamping element is slidable between a first position where the clamping element is closed and a second position where the clamping element is opened. The biasing force generated by the first biasing device is smaller than that of the second biasing device when the clamping element is in the opened position.Type: ApplicationFiled: December 17, 2010Publication date: June 30, 2011Applicant: CHERVON LIMITEDInventors: Hongtao Zhou, Gan Wei
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Publication number: 20110159789Abstract: A sander according to the present application provides a sander with a rotatable plate which can be locked by hand. Specifically, the sander of the present application has a main body and a sanding head mounted below the main body. The main body has a housing, a motor and a coupling mechanism contained in the housing. The sanding head has a sanding plate rotatably connected to the base plate and the base plate and/or the sanding plate may be connected to the coupling mechanism. The base plate may also have a locking means to lock the sanding plate. The sanding head of the present application may also have a rotatable sanding plate to allow for more efficient use of the sanding paper and a locking means that can be used to lock the sanding plate to provide simpler, easier and more reliable manual locking.Type: ApplicationFiled: December 21, 2010Publication date: June 30, 2011Applicant: Chervon LimitedInventors: Keith Park, Lee Dewson
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Publication number: 20110155404Abstract: A hand-held electric tool having a housing, a machine core, and a working head disposed on the housing is further provided with a manual hammer component. The manual hammer component is usable to manually strike an object, such as a nail. The working head is disposed at one side of the front end of the housing and the manual hammer component is disposed at the other side of the front end of the housing and opposite to the working head.Type: ApplicationFiled: December 17, 2010Publication date: June 30, 2011Applicant: CHERVON LIMITEDInventor: Changxi Dai
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Patent number: 7963430Abstract: A nailer device has a housing containing a motor and a transmission mechanism. The housing has a nozzle portion with a striking rod for striking a nail arranged therein, the striking rod being moved in a reciprocating manner. A rotating shall is mounted in the housing and the rotating shaft is coupled to the output shaft of the motor through the transmission mechanism. An impact member surrounds the rotating shaft and is moved with the rotating shaft. Corresponding slots are formed on the rotating shaft and the impact member respectively and mate with each other with engagement members being contained in the corresponding slots.Type: GrantFiled: September 23, 2009Date of Patent: June 21, 2011Assignee: Chervon LimitedInventors: Masatoshi Fukinuki, Toshinari Yamaoka, Gan Wei
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Patent number: 7963092Abstract: A trimmer includes a working head having a housing and a handle that extends outwardly from a rear end of the housing, at least one wheel mounted on the rear end of the housing, a support element for supporting the working head that is located below the housing and mounted on the housing through a shaft, a cutting element coupled to the housing coaxial with the support element, and a cutting height adjustment device which is respectively connected with the at least one wheel and the shaft for adjusting a cutting height of the trimmer via movement of the at least one wheel and the shaft to which the support element is coupled relative to the cutting element. In this manner, no matter the cutting height, a cutting surface of the cutting element can be ensured to be substantially parallel to the ground.Type: GrantFiled: August 2, 2010Date of Patent: June 21, 2011Assignee: Chervon LimitedInventors: Haishen Xu, Toshinari Yamaoka
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Patent number: 7963043Abstract: A reciprocating saw includes a housing and a support shoe mounted on the front end of the housing which is adjacent to a saw blade. The support shoe includes a guide plate which is partly mounted in the housing and is movable thereabout, and a base plate pivotally connected to the guide plate. The guide plate has a series of recesses or apertures. The reciprocating saw also includes a locking member which is movable in the housing along a first direction and at least a portion of which could be engaged with any one of the recesses or apertures, and an adjusting member which is movable along a direction perpendicular to the first direction from a first position to a second position. The locking member is disposed between the adjusting member and the guide plate.Type: GrantFiled: October 16, 2007Date of Patent: June 21, 2011Assignee: Chervon LimitedInventor: Yasheng Chen
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Publication number: 20110138634Abstract: The present application provides a pruning machine with an extendible rod. The pruning machine also includes a main body and a battery pack. The main body has a housing, a blade group, a motor, a transmission device and a switch on the outside of the housing. The battery pack has a plug to connect with a socket on the main body. One end of the extendible rod has the same plug as the battery pack to connect with the socket of the main body plug and the other end has the same socket of the main body to receive the plug of the battery pack. By using the same plug and socket structure throughout, the present application provides good adaptability and is suitable for a wide range of pruning operations.Type: ApplicationFiled: December 14, 2010Publication date: June 16, 2011Applicant: Chervon LimitedInventors: Toshinari Yamaoka, Wei Jiang
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Publication number: 20110120739Abstract: An auto hammer has a housing, a grip portion and a striking device. The striking device has a striking rod that can strike a fastening element using a liner reciprocating motion. The striking device also has an associated clamping mechanism for clamping the fastening element. The clamping mechanism includes a clamping member, a driving part and a sliding member, wherein the clamping member is pivotally arranged in the sliding member and is connected to the driving part, and the driving part can rotate relative to the sliding member so as to cause the clamping member to rotate pivotally in the sliding member. The clamping mechanism may thus firmly clamp the fastening element in a manner that is convenient for users.Type: ApplicationFiled: November 19, 2010Publication date: May 26, 2011Applicant: CHERVON LIMITEDInventor: Liang Chen
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Publication number: 20110121048Abstract: An auto hammer having a housing, a grip portion and a striking device. The striking device includes a striking rod for striking a nail or other element using a straight reciprocating motion. The striking device has an associated clamping mechanism for clamping the nail or other element. The clamping mechanism has a driving portion, a first clamping portion, and a second clamping portion. The first and second clamping portions are moved between a closed position and an opened position. In the closed position, the element is held between the first and second clamping portions. A first slot and a second slot are arranged on the first and second clamping portions respectively. The driving portion is arranged in both the first and second slots and moves along the first and second slots.Type: ApplicationFiled: February 4, 2010Publication date: May 26, 2011Applicant: Chervon LimitedInventor: Gan Wei
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Publication number: 20110114349Abstract: An auto hammer with a striking device includes a striking rod and a clamping mechanism. The striking rod continually strikes a component to gradually insert the component into a workpiece. The clamping mechanism includes at least one clamping element, a biasing device, a bush and a sleeve, and the clamping elements are movable between a closed position and an opened position. The bush is arranged around the striking rod so as to prevent the nail head from becoming trapped in a gap which is formed after the clamping elements are entirely opened. The biasing device is arranged for biasing the bush toward the direction of striking the component. This clamping mechanism can reliably clamp nails or other components to facilitate user operation of the device.Type: ApplicationFiled: November 17, 2010Publication date: May 19, 2011Applicant: CHERVON LIMITEDInventor: Hongtao Zhou
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Publication number: 20110108299Abstract: The invention provides an auto hammer being used between two surfaces perpendicular to each other and closer to the intersecting line of the two surfaces. To this end, the auto hammer comprises a housing having an upper portion, a motor contained in the housing, and a switch arranged on the housing for controlling the motor. When the auto hammer is used between two surfaces perpendicular to each other with opposite sides of the upper portion of the housing abutting against the two surfaces respectively, the distance from the central axis of the striking rod to the intersecting line of the two surfaces is between 10 mm and 40 mm, preferably 28 mm. This distance is arranged very small for allowing the auto hammer to be used closer to the intersecting line of the two surfaces.Type: ApplicationFiled: November 3, 2010Publication date: May 12, 2011Applicant: CHERVON LIMITEDInventor: Gan Wei
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Publication number: 20110108298Abstract: An auto hammer includes a housing having a grip, a head assembly arranged on one end of the housing, a motor mounted within the housing, a switch arranged on the housing for controlling the motor. The head assembly includes a striking device having a receiving cavity which comprises a locking mechanism. When the receiving cavity is retracted into the housing and locked by pressing the locking pin downwardly, with the striking rod being revealed to increase the visibility of the striking rod. During operation, the objects to be processed, such as tenons and bricks, may be impacted by the striking rod in a linear reciprocating manner, so that the function of the tool can be expanded, without being limited to knocking the fastening pieces into the objects to be processed.Type: ApplicationFiled: November 3, 2010Publication date: May 12, 2011Applicant: CHERVON LIMITEDInventor: Hongtao Zhou
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Patent number: D638604Type: GrantFiled: May 3, 2010Date of Patent: May 24, 2011Assignee: Chervon LimitedInventor: Guillaume Keller
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Patent number: D638680Type: GrantFiled: July 7, 2010Date of Patent: May 31, 2011Assignee: Chervon LimitedInventors: Li Xing, David Allan
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Patent number: D640196Type: GrantFiled: November 11, 2010Date of Patent: June 21, 2011Assignee: Chervon LimitedInventors: Jianjun Shuang, Jie Chen
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Patent number: D640197Type: GrantFiled: November 11, 2010Date of Patent: June 21, 2011Assignee: Chervon LimitedInventors: Keith Park, Jianjun Shuang