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1. 发明授权

US4312549A Mounting arrangement for a sewing machine 失效
标题翻译：缝纫机的安装方式
公开(公告)号：US4312549A
公开(公告)日：1982-01-26
申请号：US131202
申请日：1980-04-24
申请人： Lucien Ravenelle
发明人： Lucien Ravenelle
IPC分类号： D05B75/02 , A47B81/00 , D05B75/00
CPC分类号： D05B75/02
摘要： A mounting arrangement for a sewing machine is disclosed, comprising a cabinet having an aperture in its top plate, a base plate on which a sewing machine is rigidly secured and an elongated narrow plank member pivoted to the base plate and to an edge of the top plate aperture. The plank member links the base plate to the cabinet. Supports and a locking device retains the assembly of the base plate and plank member in three positions: a top position in which the base plate and plank member are coplanar and level with the top plate to maintain the sewing machine in a free arm position; an intermediate position in which the plank member extends downwardly and vertically from the top plate and the base plate is horizontal to maintain the sewing machine in a flat bed position, and a lower position in which both the plank member and the base plate extend downwardly to maintain the sewing machine in stored tilted position within the cabinet.
摘要翻译：公开了一种用于缝纫机的安装装置，包括：在其顶板中具有孔的机壳，刚性地固定着缝纫机的基板和枢转于基板的细长的窄板件和顶部的边缘板孔。板条将底板连接到机柜。支撑件和锁定装置将基板和板条构件的组件保持在三个位置：底板和板构件共面的顶部位置，并与顶板平齐以将缝纫机保持在自由臂位置; 中间位置，其中板状构件从顶板向下并垂直地延伸，并且基板是水平的，以将缝纫机保持在平坦的床位置，下部位置中，板状构件和底板两者向下延伸到将缝纫机保持在柜内倾斜的位置。

2. 发明授权

US5251556A Auxiliary bed extension for sewing machine 失效
标题翻译：缝纫机辅助床延伸
公开(公告)号：US5251556A
公开(公告)日：1993-10-12
申请号：US925164
申请日：1992-08-06
申请人： Lucien Ravenelle , Richard Lacasse
发明人： Lucien Ravenelle , Richard Lacasse
IPC分类号： D05B73/10
CPC分类号： D05B73/10
摘要： An auxiliary bed extension U-shape plate destined to be edgewisely mounted to the cylinder bed of a sewing machine for increasing the planar work supporting surface thereof. The bed extension comprises a main, rigid, panel defining an inner recess for shapingly conforming to the cylinder bed, the inner recess of generally quadrangular shape. The web of the U-shape extension plate is telescopingly extensible and the two side legs thereof are extensible with add-on strips, wherein the extensible bed is adjustable in length as well as in width. The panel is supported edgewisely to the cylinder bed in generally coplanar fashion to the work supporting surface of the latter, whereby an enlarged, planar, generally coextensive, work supporting surface is obtained by the cylinder bed and extension bed plate.
摘要翻译：辅助床延伸U形板，用于沿边缘安装到缝纫机的气缸床上，用于增加其平面工作支撑面。床延伸部包括一个主要的刚性面板，其限定用于与气缸床成形一致的内部凹槽，该内部凹槽具有大致四边形形状。 U形延伸板的腹板可伸缩地延伸，并且其两个侧腿可以用附加带延伸，其中可延伸床的长度和宽度都是可调节的。该面板以大致共面的方式支撑在气缸床上，与后者的工件支撑表面相接触，从而通过气缸床和延伸床板获得了扩大的，平面的，大体上共同延伸的工作支撑表面。

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