公开(公告)号：US4228818A

公开(公告)日：1980-10-21

申请号：US901597

申请日：1978-05-01

申请人： David J. Nelson

发明人： David J. Nelson

IPC分类号： E01H5/06 ,  F15B11/16

CPC分类号： E01H5/063 ,  Y10T137/2612 ,  Y10T137/263 ,  Y10T137/7771

摘要： A crossover relief valve for use in a hydraulic circuit connected to two single acting cylinders such as used to provide rearward force against opposite ends of a plow blade wherein excessive pressure against one end of the blade will allow fluid to flow from one cylinder to the other, the valve being of the sliding poppet and port type wherein the poppet has surface areas exposed to the pressure line to each cylinder of such a size as to open the valve for flow between cylinders when excessive pressure is applied to either and wherein when pressure is applied from both pressure lines against said surface areas the poppet will move a sufficient distance to open a port for return of hydraulic fluid to a reservoir.

摘要翻译： 一种用于连接到两个单作用气缸的液压回路中的交叉溢流阀，例如用于向犁刀的相对端提供向后的力，其中对刀片的一端施加过大的压力将允许流体从一个气缸流向另一个气缸 ，所述阀是滑动提升阀和端口类型，其中提升阀具有暴露于每个气缸的压力管线的表面积的尺寸，以便当过大的压力施加到两者之间时打开阀门以用于流动，并且当压力为 从两个压力线施加到所述表面区域，提升阀将移动足够的距离以打开端口以将液压流体返回到储存器。

公开(公告)号：US4190904A

公开(公告)日：1980-03-04

申请号：US937995

申请日：1978-08-30

申请人： David J. Nelson

发明人： David J. Nelson

IPC分类号： A41D25/02 ,  A41B1/18 ,  A41D25/10

CPC分类号： A41D25/027

摘要： An item of wearing apparel is disclosed comprising a sash tie and sash tie holder which is conveniently mounted in place under the collar of a shirt without the necessity of tieing a conventional necktie knot. The sash tie fits over the holder and is provided with fastening means, such as conventional commercially available reusable cooperating tape of the hook and loop type. Corresponding tape is provided on the shirt of the wearer and holds the necktie securely in place.

摘要翻译： 公开了一种穿着服装的物品，其包括窗框和腰带领带保持器，其方便地安装在衬衫的衣领下的适当位置，而不需要绑定常规领带结。 窗扇领带安装在支架上，并设置有紧固装置，例如钩和环式的常规商业上可重复使用的协作带。 相应的带子被提供在佩戴者的衬衫上，并将领带牢固地保持在适当位置。