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公开(公告)号：US5271561A
公开(公告)日：1993-12-21
申请号：US907708
申请日：1992-07-02
Applicant: Samuel Tobias , Robert M. Messinger , Donald R. Davidson
Inventor： Samuel Tobias , Robert M. Messinger , Donald R. Davidson
CPC classification number: A61H33/027 , A61H33/6063 , A61H2201/1238 , A61H2201/1253
Abstract: An outlet assembly for a water receptacle, such as a swimming pool, spa or the like, includes a pair of interchangeable discharge nozzles, one being a rotary discharge nozzle and the other being a linear discharge nozzle. A user may selectively interchange the rotary discharge nozzle and the linear discharge nozzle by withdrawing and inserting them through an outlet port sized and shaped so as to permit the user's hand to fit therein.
Abstract translation: 用于诸如游泳池，水疗中心等的水容器的出口组件包括一对可互换的排出喷嘴，一个是旋转排出喷嘴，另一个是线性排出喷嘴。 用户可以通过取出并将它们插入尺寸和形状的出口口来选择性地互换旋转排出喷嘴和线性排出喷嘴，以允许使用者的手装入其中。
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Patent Agency Ranking
公开(公告)号：USD313097S
公开(公告)日：1990-12-18
申请号：US248202
申请日：1988-09-23
Applicant: Donald R. Davidson , Gerald J. Creed , Howard D. Rogers
Designer： Donald R. Davidson , Gerald J. Creed , Howard D. Rogers
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公开(公告)号：USD312907S
公开(公告)日：1990-12-11
申请号：US249468
申请日：1988-09-26
Applicant: Donald R. Davidson , Gerald J. Creed , Howard D. Rogers
Designer： Donald R. Davidson , Gerald J. Creed , Howard D. Rogers
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公开(公告)号：USD312905S
公开(公告)日：1990-12-11
申请号：US248208
申请日：1988-09-23
Applicant: Donald R. Davidson , Gerald J. Creed , Howard D. Rogers
Designer： Donald R. Davidson , Gerald J. Creed , Howard D. Rogers
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公开(公告)号：US4176561A
公开(公告)日：1979-12-04
申请号：US854291
申请日：1977-11-23
Applicant: Donald R. Davidson
Inventor： Donald R. Davidson
CPC classification number: D05B69/00 , D05B35/00 , Y10T74/19809
Abstract: A low tolerance device for converting the rotary motion of a motor shaft into linear motion for use in influencing the stitch bight and work feed mechanisms of a sewing machine. The shaft of a motor is provided with a worm rigidly attached thereto. Two half nut sections are clamped around the worm and are urged against it by a leaf spring. The half nuts are connected to a drive arm by a pin which freely passes through one half nut and the drive arm and is rigidly connected to the second half nut. The leaf spring acts as a guide for the half nuts and prevents their rotation about the worm. Rotation of the motor in either direction causes the half nuts to translate along the axis of the worm. The translation of the half nuts is transferred to the drive arm through the pin.
Abstract translation: 用于将电动机轴的旋转运动转换成直线运动的低公差装置，用于影响缝纫机的针脚和工作进给机构。 马达的轴设有刚性地连接到其上的蜗杆。 两个半螺母部分被夹在蜗杆周围，并被板簧推压。 半螺母通过销自如地连接到驱动臂，该销自如地穿过一个半螺母和驱动臂并刚性地连接到第二半螺母。 板簧用作半螺母的引导件，并防止它们绕蜗杆旋转。 电动机沿任一方向的旋转将使半螺母沿蜗杆的轴线平移。 半螺母的平移通过销传递到驱动臂。
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26.发明授权Sewing machine stitch length override and feed balance for digital feed actuators 失效数码送料执行机构缝纫机针距长度倍数和进给平衡
公开(公告)号：US4167912A
公开(公告)日：1979-09-18
申请号：US846880
申请日：1977-10-31
Applicant: Robert L. Sedlatschek , Oswald M. Porter , Donald R. Davidson
Inventor： Robert L. Sedlatschek , Oswald M. Porter , Donald R. Davidson
CPC classification number: D05B27/22 , D05D2207/06
Abstract: A sewing machine is disclosed wherein positioning of the work feeding regulator is controlled by a digital actuator responsive to digital signals applied thereto. The positioning of the work feeding regulator is thereby adjustable in discrete increments. A manual override and feed balance mechanism is provided for effecting continuous positioning of the work feeding regulator.
Abstract translation: 公开了一种缝纫机，其中工作进给调节器的定位由响应于施加到其上的数字信号的数字执行器控制。 因此，工件供给调节器的定位可以以离散的增量调整。 提供手动超控和进给平衡机构用于实现工作进给调节器的连续定位。
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