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    • 78. 发明授权
    • Rabbeting plane
    • 拉比飞机
    • US06718642B2
    • 2004-04-13
    • US10067057
    • 2002-02-06
    • David Collins
    • David Collins
    • B27G1702
    • B27G17/025
    • A method and apparatus for a blade clamping mechanism in a woodworking plane that allows a plane iron as wide as the plane body itself to be clamped in a wedge shaped slot in the plane body. The slot begins at a point tangent to a waste ejection hole proximate a front area of the plane running diagonally towards the spine of the plane body before looping back short of the spine to return diagonally through the sole forming the mouth together with the waste hole. The loop forms the widest point of the slot, while the tangent forms the narrowest point of the slot. The rear surface of the slot serves as the ramp for the plane iron. The plane iron is clamped by a floating pin mounted in a hole drilled longitudinally through the spine, perpendicular to the ramp, and terminating at an inspection hole. The floating pin is retained between the under side of the plane iron and a conical shaped point of a screw threaded from a back of the plane body diagonally to the floating pin. The pin and screw are viewable through the inspection hole.
    • 一种用于木工平面中的刀片夹紧机构的方法和装置,其允许与平面主体本身一样宽的平面铁片被夹持在平面主体中的楔形槽中。 狭缝开始于靠近靠近平面主体的平面的前部区域的废料喷射孔的一个点,该平面体的前部区域在环绕脊柱之前回到对角线处,以与废物孔一起形成口。 循环形成槽的最宽点,而切线形成槽的最窄点。 槽的后表面用作平面铁的斜面。 平面铁通过安装在纵向通过脊柱垂直于斜坡钻孔的钻孔中夹紧,并终止于检查孔。 浮动销保持在平面铁的下侧和从平面体的背面与对准的浮动销螺纹的螺纹的锥形点之间。 销和螺钉可通过检查孔观察。
    • 79. 发明授权
    • Hydraulic control valve
    • 液压控制阀
    • US5765594A
    • 1998-06-16
    • US626477
    • 1996-04-02
    • David CollinsHelge JoergensenXavier MabitCarsten Christensen
    • David CollinsHelge JoergensenXavier MabitCarsten Christensen
    • F15B13/04F15B13/06
    • F15B13/0402F15B13/0416Y10T137/86879Y10T137/87185
    • A hydraulic control valve for controlling flow between a pump, a hydraulic device, and a vessel containing hydraulic fluid. The control valve has an elongated valve slide which is slidably mounted in an elongated valve housing. The valve has three positions, a central neutral position, a float position axially offset in one direction from the neutral position and a constant pressure position axially offset in the opposite direction from the neutral position. In the neutral position, flow of hydraulic fluid to the hydraulic device is inhibited. In the float position, connection is such that a raised device, such as a hydraulically operated bucket, is lowered slowly by gravity until it rests on the ground or another object. In the constant pressure position, the valve connects pump pressure to the load sensing circuit to facilitate, for example, shaking of a bucket of a piece of earth moving equipment.
    • 一种用于控制泵,液压装置和含有液压流体的容器之间的流动的液压控制阀。 控制阀具有细长的阀滑动件,其可滑动地安装在细长的阀壳体中。 阀具有三个位置,中心中立位置,从中立位置沿一个方向轴向偏移的浮子位置和在与中立位置相反的方向轴向偏移的恒定位置。 在中立位置,液压流体流向液压装置被阻止。 在浮动位置,连接使得诸如液压操作的铲斗之类的升高的装置通过重力被缓慢地降低,直到其搁置在地面或另一物体上。 在恒定压力位置,阀将泵压力连接到负载感测电路,以便于例如震动一块土方机械的铲斗。