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    • 31. 发明授权
    • End base of a power stapler
    • 动力订书机的底座
    • US6059167A
    • 2000-05-09
    • US431373
    • 1999-11-01
    • Roman HoJack ChenHsuam-Chi Chiang
    • Roman HoJack ChenHsuam-Chi Chiang
    • B25C1/04
    • B25C1/047B25C1/042
    • A power stapler includes a barrel with a cylinder received therein and a piston is movably received in the cylinder. An end cap is connected to the rear end of the barrel and a frame is movably engaged with the inside of the end cap. A seal part is engaged with an annular space in the outside of the frame and contacts the cylinder. A plurality of passages are defined through the frame and communicate with the annular space so that the seal part is securely positioned because the pressure in the passages is lower than the outside of the seal part. A fixed member is connected to the end cap and a pad is engaged with the fixed member. The pad has notches in the distal end thereof which contacts the piston so that air trapped between the pad and piston is released via the notches when the piston moves back to the original position after a shot.
    • 动力订书机包括具有容纳在其中的气缸的筒体,活塞可移动地容纳在气缸中。 端盖连接到筒的后端,并且框架与端盖的内部可移动地接合。 密封部分与框架外部的环形空间接合,并与气缸接触。 通过框架限定多个通道并与环形空间连通,使得密封部分被牢固地定位,因为通道中的压力低于密封部分的外部。 固定构件连接到端盖,并且垫与固定构件接合。 垫在其远端处具有接触活塞的凹口,使得当活塞在射击后移回到原始位置时,捕获在垫和活塞之间的空气经由凹口释放。
    • 32. 发明授权
    • Exhausted air dispensing device for a power nailer
    • 用于电动打钉机的排气分配装置
    • US6059166A
    • 2000-05-09
    • US431135
    • 1999-11-01
    • Roman HoJack ChenHsuam-Chi Chiang
    • Roman HoJack ChenHsuam-Chi Chiang
    • B25C1/00B25C1/04
    • B25C1/048B25C1/047
    • An exhausted air dispensing device for a hydraulic power nailer includes a ring engaged with a flange extending from a recessed area defined in an end cap of the body of the nailer. The flange has a plurality of notches which communicate with a passage from which the exhausted air of the nailer flows. The flange has a plurality of blocks extending from the ring and located in alignment with the notches in the flange so that the speed of the exhausted air is reduced when the exhausted air blows against the blocks. A cover has an opening defined in a periphery of the cover which is rotatably engaged with the recessed area. A positioning pin biasedly extends from the end cap and the cover has a plurality of dents in the bottom thereof so that the positioning pin is engaged with one of the dents of the cover.
    • 用于液压动力打钉机的排气分配装置包括与从限定在打钉机主体的端盖中的凹陷区域延伸的凸缘接合的环。 凸缘具有多个凹口,其与钉子的排出空气流过的通道连通。 凸缘具有从环延伸并与凸缘中的凹口对准的多个块,使得当排出的空气吹向块时,排出的空气的速度减小。 盖具有限定在盖的周边中的开口,其与凹陷区域可旋转地接合。 定位销从端盖偏置地延伸,并且盖在其底部具有多个凹痕,使得定位销与盖的凹陷中的一个接合。
    • 33. 发明授权
    • Potentiometer
    • 电位器
    • US6025772A
    • 2000-02-15
    • US112168
    • 1998-07-08
    • Jack Chen
    • Jack Chen
    • H01C10/14H01C10/30H01C10/32
    • H01C10/30H01C10/32
    • A resistor card for a potentiometer to measure the fuel in a fuel tank consists of a non-conductive substrate with a plurality of elongate conductive contacts deposited. The contacts have an elevation above the surface of the substrate and the contacts are oriented in parallel relationship to each other to form a wiper track across which a wiper is movable. To reduce the rate at which the upper surfaces of the contacts are worn away by movement of the wiper, a non-conductive filler is deposited between the conductive materials which form the lands.
    • 用于测量燃料箱中的燃料的电位计的电阻器卡由具有沉积的多个细长导电触头的非导电衬底组成。 触头具有在基板的表面上方的高度,并且触点彼此平行地定向以形成擦拭器轨道,擦拭器可通过该擦拭器轨迹移动。 为了降低触头的上表面通过擦拭器的移动磨损的速率,在形成焊盘的导电材料之间沉积非导电填料。
    • 36. 发明授权
    • Wheeled folding tray cart with safety device and method
    • US11208132B2
    • 2021-12-28
    • US16246460
    • 2019-01-12
    • Jack Chen
    • Jack Chen
    • B62B3/02A47B43/00
    • The invention is a wheeled folding tray cart and method. The wheeled folding tray cart comprises a collapsible wheeled framework pivotally supporting a set of split shelves, each split shelf comprises a pair of half shelves. The wheeled folding tray cart moves between an open operating position wherein the set of split shelves are held in spaced-apart, stacked, horizontal orientation within the collapsible wheeled framework and a closed storage position wherein the collapsible wheeled framework is collapsed in manner to move each half shelf pair into an accordion-like, inverted “V”-shaped or accordion like configuration. An extension coiled spring attached to the collapsible wheeled framework assists in the movement of the wheeled folding tray cart between open operating position and the closed storage position. A sheath encloses at least a portion of the spring to provide resistance to the spring's movement to limit potential operator exposure to pinch injuries.
    • 37. 发明授权
    • Method and apparatus for processing bevel edge
    • 斜边加工方法及装置
    • US08562750B2
    • 2013-10-22
    • US12640926
    • 2009-12-17
    • Jack ChenYunsang Kim
    • Jack ChenYunsang Kim
    • B08B7/04
    • H01L21/02274C23C16/0245C23C16/04C23C16/509H01L21/02087H01L21/02115H01L21/3083H01L21/31144
    • A method and apparatus for processing a bevel edge is provided. A substrate is placed in a bevel processing chamber and a passivation layer is formed on the substrate only around a bevel region of the substrate using a passivation plasma confined in a peripheral region of the bevel processing chamber. The substrate may undergo a subsequent semiconductor process, during which the bevel edge region of the substrate is protected by the passivation layer. Alternatively, the passivation layer may be patterned using a patterning plasma formed in an outer peripheral region of the processing chamber, the patterning plasma being confined by increasing plasma confinement. The passivation layer on outer edge portion of the bevel region is removed, while the passivation layer on an inner portion of the bevel region is maintained. The bevel edge of the substrate may be cleaned using the patterned passivation layer as a protective mask.
    • 提供了一种用于处理斜边的方法和装置。 将衬底放置在斜面处理室中,并且使用限制在斜面处理室的周边区域中的钝化等离子体在衬底的仅一个斜面区域周围形成钝化层。 衬底可以经历随后的半导体工艺,在此期间衬底的斜边缘区域被钝化层保护。 或者,可以使用在处理室的外围区域中形成的图案化等离子体对钝化层进行图案化,通过增加等离子体限制来限制图形化等离子体。 去除斜面区域的外边缘部分上的钝化层,同时保持斜面区域的内部部分上的钝化层。 可以使用图案化的钝化层作为保护掩模来清洁基底的斜边缘。