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公开(公告)号：US11000845B2
公开(公告)日：2021-05-11
申请号：US16328602
申请日：2016-09-27
Applicant: A&D COMPANY, LIMITED
Inventor： Chika Ariga , Yuji Fukami , Hisanori Oda
IPC: B01L3/02
Abstract: Operability, accuracy, and safety when fitting a glass-made pipette tip to a pipette are improved. A pipette tip fitting adapter includes a hollow body having one end portion configured to serve as a tip inserting portion into which a pipette tip is inserted, and the other end portion configured to serve as a pipette inserting portion into which a pipette is inserted, and at an opening side of an inner circumferential surface of the tip inserting portion, seal portions projecting inward are formed in a circumferential direction. Accordingly, a pipette tip that is long and heavy like a glass tip can be held.
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公开(公告)号：US12281930B2
公开(公告)日：2025-04-22
申请号：US17798257
申请日：2020-03-17
Applicant: A&D COMPANY, LIMITED
Inventor： Hisanori Oda
IPC: G01G21/28
Abstract: Provided is a windshield for a balance, for which opening and closing doors of the windshield are smoothly moved without wobbling, dust or the like is unlikely to accumulate on the part of guide rails that guide the opening and closing doors, and cleaning is easy. Upper portions of the pair of opening and closing doors of the windshield are respectively suspended by upper frames provided along respective side portions of an upper surface door, and the opening and closing doors are reciprocated by air cylinders by being guided by guide rails each formed of a horizontal portion and a vertical portion. On the respective horizontal portions, projections that restrict lower ends of the respective opening and closing doors from being displaced in separating directions from the vertical portions are provided along movement paths of the respective opening and closing doors.
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公开(公告)号：US12146783B2
公开(公告)日：2024-11-19
申请号：US17765788
申请日：2019-11-06
Applicant: A&D COMPANY, LIMITED
Inventor： Hisanori Oda
IPC: G01G21/30
Abstract: A windshield for a balance which has a door that can be automatically opened and closed or half opened and half closed is provided. The windshield includes doors to which air cylinders are joined as driving means, sensors for monitoring movements of the doors, pressure sensors configured to monitor a pressure of air to be supplied to the air cylinders of the driving means, and a control unit configured to stop an air supply to the air cylinders when a pressure of air monitored by the pressure sensor exceeds a predetermined value. Stoppers are disposed on movement paths of the doors to block movement, and when air pressure inside the air cylinder increases to the predetermined value due to contact with the stopper, the door stops. The door can be freely fully opened and half-opened according to the position of the stopper.
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Patent Agency Ranking
公开(公告)号：US11175176B2
公开(公告)日：2021-11-16
申请号：US16646407
申请日：2018-12-19
Applicant: A&D COMPANY, LIMITED
Inventor： Hisanori Oda
Abstract: Provided is an electronic balance that includes a windshield having a door to be automatically opened and closed, and has a high degree of freedom of design. An electronic balance including a balance main body that holds a weighing mechanism connected to a weighing pan, and a windshield including a frame and doors disposed slidably on the frame, and configured to form a weighing chamber by covering the weighing pan, and configured so that the windshield includes inside air cylinders connected to the doors to open and close the doors, and air pumps to drive the air cylinders, and is configured to be detachable from the balance main body. The windshield that has doors to be automatically opened and closed is detachable from the balance main body, so that the windshield and the balance main body can be designed separately, and therefore, the degree of freedom of design of the electronic balance is high.
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公开(公告)号：US11473966B2
公开(公告)日：2022-10-18
申请号：US16646474
申请日：2018-12-19
Applicant: A&D COMPANY, LIMITED
Inventor： Hisanori Oda
IPC: G01G21/28
Abstract: Provided is a balance with a windshield having a door to be smoothly opened and closed either manually or automatically. Provided is an electronic balance with a windshield including a balance main body including a weighing mechanism connected to a weighing pan, a windshield having doors capable of opening and closing by sliding, and configured to form a weighing chamber by covering the weighing pan, and actuators configured to open and close the doors, wherein the actuator includes a double-acting type air cylinder having two ports serving as air intake ports, an air pump-to be connected to the two ports, two valves respectively interposed between the air pump and the two ports and configured to make the ports communicate with and shut off from the atmosphere, and a control device configured to control the two valves-to make the two ports communicate with the atmosphere when the air pump is stopped. Without a special mechanism, switching between automatic opening and closing and manual opening and closing can be made, and in either automatic or manual opening and closing, the doors of the windshield are smoothly opened and closed.
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公开(公告)号：US12140471B2
公开(公告)日：2024-11-12
申请号：US17765789
申请日：2019-11-06
Applicant: A&D COMPANY, LIMITED
Inventor： Hisanori Oda
IPC: G01G21/30
Abstract: A windshield for an electronic balance is provided which includes air cylinders incorporated inside as driving mechanisms, doors supported by a hanging manner by guide holes at least one end portion of which is open, and joint members interposed between the air cylinders and the doors. The joint members are also supported in a hanging manner in the guide holes, and upper portions of the joint members are joined to the air cylinders incorporated inside. The doors can be automatically opened and closed, and can be easily joined to and released from the driving mechanisms, and easily detached from the windshield by a simple structure.
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公开(公告)号：US11460339B2
公开(公告)日：2022-10-04
申请号：US16646437
申请日：2018-12-19
Applicant: A&D COMPANY, LIMITED
Inventor： Hisanori Oda
Abstract: The present invention relates to an electronic balance with a windshield having a door to be automatically smoothly opened and closed. Provided is an electronic balance including a balance main body including a weighing mechanism connected to a weighing pan, a windshield configured to form a weighing chamber by covering the weighing pan, slidable doors provided in the windshield and constituting portions of the weighing chamber, holders configured to support the doors from upper portions in a hanging manner, guide members configured to engage with the holders and slidably support the holders, and air cylinders connected to the holders and configured to slide the door through the holders. The holders supporting the doors in a hanging manner are directly moved by the air cylinders, so that the doors can be smoothly opened and closed.
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公开(公告)号：US10786810B2
公开(公告)日：2020-09-29
申请号：US15774911
申请日：2016-01-07
Applicant: A&D COMPANY, LIMITED
Inventor： Naoto Izumo , Hisanori Oda
Abstract: Provided is a multichannel pipette whose number of channels can be arbitrarily set and managed to improve usability of the multichannel pipette and improve productivity, quality control, and maintainability in a research site. A multichannel pipette includes a pipette main body, a lower part attached to a lower end portion of the pipette main body, and a plurality of chip holder units housed inside the lower part, wherein each of the chip holder units has a connecting portion attachable to and removable from any of a plurality of to-be-connected portions provided in a unit case inside the lower part, and each of the chip holder units is attachable to and removable from the lower part.
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