Patents by Inventor Chung-Hsiu Su
Chung-Hsiu Su 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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Patent number: 11890244Abstract: A wheeled nursing and medical device includes a wheeled seat mechanism, a driving module, a bed mechanism and a linking mechanism. The wheeled seat mechanism includes an expandable base frame and front and rear wheel assemblies. The driving module is operable to drive expanding and retraction of the expandable base frame. The bed mechanism includes a main bed plate and a backrest plate pivotally connected with the main bed plate. The linking mechanism includes at least one inclined bracket pivotally connected with the expandable base frame and the backrest plate. The device is shiftable between a bed state and a wheelchair state to render traveling of the device in the wheelchair state convenient.Type: GrantFiled: March 18, 2022Date of Patent: February 6, 2024Inventor: Chung-Hsiu Su
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Publication number: 20230406381Abstract: A foldable trolley includes a frame body unit and two wheel units. The frame body unit includes a lower frame structure and am upper frame structure. The upper frame structure includes a sliding rod slidably disposed on the lower frame structure. The upper frame structure is slidable in a direction toward a bottom of the lower frame structure, via sliding connection of the sliding rod and the lower frame structure, and fold on the lower frame structure, so as to convert the frame body unit from an unfolded state to a folded state. The wheel units are disposed respectively on two sides of the lower frame structure, and are operable to pivot toward the lower frame structure.Type: ApplicationFiled: June 21, 2022Publication date: December 21, 2023Inventor: Chung-Hsiu SU
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Patent number: 11794520Abstract: A conductive caster wheel is adapted to be mounted on a cart. The conductive caster wheel includes a caster hub adapted to be sleeved on a bearing of the cart, a wheel body sleeved on the caster hub, and a conductive plate disposed inside the caster hub and the wheel body. The conductive plate has an inner conductive section and an outer conductive section. The inner conductive section is exposed from an inner surrounding surface of the caster hub, and is adapted to be electrically connected to the bearing. The outer conductive section is electrically connected to the inner conductive section, is exposed from an outer surrounding surface of the wheel body, and is adapted to be in contact with a ground surface.Type: GrantFiled: December 21, 2021Date of Patent: October 24, 2023Inventor: Chung-Hsiu Su
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Publication number: 20230293371Abstract: A wheeled nursing and medical device includes a wheeled seat mechanism, a driving module, a bed mechanism and a linking mechanism. The wheeled seat mechanism includes an expandable base frame and front and rear wheel assemblies. The driving module is operable to drive expanding and retraction of the expandable base frame. The bed mechanism includes a main bed plate and a backrest plate pivotally connected with the main bed plate. The linking mechanism includes at least one inclined bracket pivotally connected with the expandable base frame and the backrest plate. The device is shiftable between a bed state and a wheelchair state to render traveling of the device in the wheelchair state convenient.Type: ApplicationFiled: March 18, 2022Publication date: September 21, 2023Inventor: Chung-Hsiu SU
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Patent number: 11554800Abstract: A hand truck includes a cart base for carrying an article and two handle modules pivotally mounted thereto. When the hand truck is in a first state, the cart base is horizontally positioned and one handle module is pivoted to an upright position. When the hand truck is in a second state, the cart base is kept upright, one of the handle modules is pivoted to a spread position, and the other one of the handle modules is horizontally positioned and cooperates with the cart base to carry the article. When the hand truck is in a platform state, the cart base is horizontally positioned, and the handle modules are pivoted to a downward extending position so that the cart base is away from the ground.Type: GrantFiled: August 16, 2019Date of Patent: January 17, 2023Inventor: Chung-Hsiu Su
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Publication number: 20220203764Abstract: A conductive caster wheel is adapted to be mounted on a cart The conductive caster wheel includes a caster hub adapted to be sleeved on a bearing of the cart, a wheel body sleeved on the caster hub, and a conductive plate disposed inside the caster hub and the wheel body. The conductive plate has an inner conductive section. and an outer conductive section. The inner conductive section is exposed from an inner surrounding surface of the caster hub, and is adapted to be electrically connected. to the bearing. The outer conductive section is electrically connected to the inner conductive section, is exposed from an outer surrounding surface of the wheel body, and is adapted to be in contact with a ground surface.Type: ApplicationFiled: December 21, 2021Publication date: June 30, 2022Inventor: Chung-Hsiu SU
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Publication number: 20200307665Abstract: A hand truck includes a cart base for carrying an article and two handle modules pivotally mounted thereto. When the hand truck is in a first state, the cart base is horizontally positioned and one handle module is pivoted to an upright position. When the hand truck is in a second state, the cart base is kept upright, one of the handle modules is pivoted to a spread position, and the other one of the handle modules is horizontally positioned and cooperates with the cart base to carry the article. When the hand truck is in a platform state, the cart base is horizontally positioned, and the handle modules are pivoted to a downward extending position so that the cart base is away from the ground.Type: ApplicationFiled: August 16, 2019Publication date: October 1, 2020Inventor: Chung-Hsiu SU
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Patent number: 10525997Abstract: A hand truck includes a main frame mechanism and a clamping mechanism. The main frame mechanism includes a main frame unit configured to carry an article, and a wheel unit connected to the main frame unit for moving the main frame unit. The clamping mechanism includes two clamping frame units disposed movably and respectively on left and right sides of the main frame unit. The clamping frame units are driven to move relative to the main frame unit between a clamped state and an unclamped state, in which the clamping frame units are moved close to and away from each other to clamp and release therebetween the article, respectively.Type: GrantFiled: November 26, 2018Date of Patent: January 7, 2020Inventor: Chung-Hsiu Su
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Patent number: 9810571Abstract: A hand truck includes a truck frame, a toe plate coupled with the truck frame and having a loading surface which is disposed to extend forwardly of and transverse to the truck frame for carrying objects thereon, and a load measuring assembly disposed on the truck frame adjacent to the toe plate and spaced apart from the loading surface to measure weight of the objects set on the loading surface. The load measuring assembly includes a force measuring unit disposed on the truck frame to receive and measure an upward force, and a force transferring unit interconnecting the toe plate and the force measuring unit to transfer the weight of the objects as the upward force to the force measuring unit.Type: GrantFiled: December 15, 2016Date of Patent: November 7, 2017Inventor: Chung-Hsiu Su
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Patent number: 9688298Abstract: A convertible hand truck includes first and second truck frames coupled with each other through a pair of fixed members and a pair of pivoting members such that the second truck frame is turnable relative to the first truck frame among a folded position, a platform-cart position and a reclined-truck position. A stabilizing lever is pivotably connected with the second truck frame or the pivoting members to be engaged with or disengaged from the fixed members in response to the turning of the second truck frame. The second truck frame extends outwardly from the first truck frame in the reclined-truck position so as to expand and enlarge the carrying area of the hand truck for more loads.Type: GrantFiled: October 17, 2016Date of Patent: June 27, 2017Inventor: Chung-Hsiu Su
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Patent number: 9199655Abstract: A foldable cart includes a frame mechanism and a control mechanism. The control mechanism can drive the frame mechanism to be in a collapsed state or an expanded state.Type: GrantFiled: November 19, 2014Date of Patent: December 1, 2015Inventor: Chung-Hsiu Su
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Patent number: 9150233Abstract: A foldable cart includes a frame mechanism, a wheeled rear support mechanism and two spaced-apart handle units. The frame mechanism can be in a collapsed state or an expanded state. The wheeled rear support mechanism is mounted pivotally to a rear side of a main frame body of the frame mechanism and movable between a supporting position and a fully folded position with respect to the main frame body. The handle units are rotatably connected to the main frame body to drive the frame mechanism to be in the collapsed state or the expanded state.Type: GrantFiled: November 3, 2014Date of Patent: October 6, 2015Inventor: Chung-Hsiu Su
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Publication number: 20150137487Abstract: A foldable cart includes a frame mechanism, a wheeled rear support mechanism and two spaced-apart handle units. The frame mechanism can be in a collapsed state or an expanded state. The wheeled rear support mechanism is mounted pivotally to a rear side of a main frame body of the frame mechanism and movable between a supporting position and a fully folded position with respect to the main frame body. The handle units are rotatably connected to the main frame body to drive the frame mechanism to be in the collapsed state or the expanded state.Type: ApplicationFiled: November 3, 2014Publication date: May 21, 2015Inventor: Chung-Hsiu SU
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Patent number: 8505728Abstract: A portable tool storing device includes first and second modular shelves configured to be brought into fitting engagement with each other in an upright direction by a back-to-back engagement manner so as to permit crosspieces to be juxtaposed to and combined with each other to form a handle for carrying. Each shelf includes a plurality of flank segments, each having an indented region. A modular container has a clip lug disposed to be clipped on the indented region to detachably hold the container on the flank segment so as to provide easy access to a tool in the container body.Type: GrantFiled: September 1, 2011Date of Patent: August 13, 2013Inventor: Chung-Hsiu Su
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Publication number: 20130056378Abstract: A portable tool storing device includes first and second modular shelves configured to be brought into fitting engagement with each other in an upright direction by a back-to-back engagement manner so as to permit crosspieces to be juxtaposed to and combined with each other to form a handle for carrying. Each shelf includes a plurality of flank segments, each having an indented region. A modular container has a clip lug disposed to be clipped on the indented region to detachably hold the container on the flank segment so as to provide easy access to a tool in the container body.Type: ApplicationFiled: September 1, 2011Publication date: March 7, 2013Inventor: Chung-Hsiu SU
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Publication number: 20060053725Abstract: A rectangular base body of a load support of a carrier has an adjacent pair of first lateral sides, and an adjacent pair of second lateral sides respectively connected to the first lateral sides. Each first lateral side is formed with inwardly extending first dovetail recesses spaced apart from each other, and first male dovetail portions, each of which is defined by an adjacent pair of the first dovetail recesses. Each second lateral side is formed with second male dovetail portions spaced apart from each other, shaped to correspond with the first dovetail recesses, and disposed on the second lateral sides at locations corresponding to those of the first dovetail recesses in the first lateral sides, and second dovetail recesses, each of which is defined by an adjacent pair of the second male dovetail portions, disposed at locations corresponding to those of the first male dovetail portions.Type: ApplicationFiled: September 2, 2004Publication date: March 16, 2006Inventor: Chung-Hsiu Su
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Publication number: 20050280223Abstract: A sled includes an elongated board having opposite front and rear ends, a stand disposed adjacent to the front end of the board, standing upright therefrom, and having a top end, a handle connected to the top end of the stand, and a braking mechanism including an operating unit mounted movably on the handle, a connecting unit connected to the operating unit, and a braking unit disposed adjacent to the rear end of the board and pivotable relative to the board from a non-braking position to a braking position, in which the braking unit is in frictional contact with the ground. The braking unit is connected to the connecting unit so as to be actuated to move to the braking position when the operating unit is operated.Type: ApplicationFiled: June 18, 2004Publication date: December 22, 2005Inventor: Chung-Hsiu Su