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1. 发明授权

US3636574A Supporting means for a mattress, cushion and the like 失效
标题翻译：支持姿势，保持和等等
公开(公告)号：US3636574A
公开(公告)日：1972-01-25
申请号：US3636574D
申请日：1969-12-22
申请人： HYMAN KRAMER
发明人： KRAMER HYMAN
IPC分类号： A47C7/22 , A47C7/02 , A47C27/14
CPC分类号： A47C7/22 , Y10S297/02
摘要： A mattress or cushion support comprising an injection-molded plastic mat or netlike fabric provided along its side and end edges with integral tie means for speedily yet effectively connecting same to the frame of a bed, folding cot, chair, chaise longue and the like. The plastic mat may be formed as a one-piece grid having length and width such that it provides the complete support, or it may be formed in plural, i.e., two half-length, sections which are secured together along a transverse meeting line (or lines) as by metal clips.
摘要翻译：一种床垫或衬垫支撑件，其包括沿其侧面和端部边缘设置的注射成型塑料垫或网状织物，其具有整体搭接装置，用于将其快速有效地连接到床的框架，折叠床，椅子，躺椅等。塑料垫可以形成为具有长度和宽度的单件格栅，使得其提供完整的支撑件，或者可以形成为多个，即两个半长的部分，这些部分沿横向会合线固定在一起或线），如金属夹。

2. 发明授权

US3564687A Manufacture of folding-cot hardware 失效
标题翻译：折叠COT硬件的制造
公开(公告)号：US3564687A
公开(公告)日：1971-02-23
申请号：US3564687D
申请日：1969-04-29
申请人： HYMAN KRAMER
发明人： KRAMER HYMAN
IPC分类号： A47C17/72 , B23P13/00 , B23P17/00
CPC分类号： A47C19/126 , A47C17/72 , Y10T29/24 , Y10T29/49616 , Y10T29/49794
摘要： A METHOD OF FORMING HINGE-PART BLANKS FOR BOTH THE L-SHAPED AND T-SHAPED TWO-PART LEG HINGES USED IN FOLDING COT MANUFACTURE BY STAMPING SAME FROM A METAL STRIP ACCORDING TO A BLANK LAYOUT PROVIDING FOR THE PRODUCTION OF BOTH BLANK SHAPES FROM SAID METAL STRIP WITH MINIMAL SCRAP.

4. 发明授权

US3556253A Gravity-type stop hooks 失效
标题翻译： GRAVITY型止动钩
公开(公告)号：US3556253A
公开(公告)日：1971-01-19
申请号：US3556253D
申请日：1969-02-03
申请人： HYMAN KRAMER
发明人： KRAMER HYMAN
IPC分类号： E06C1/12 , E06C7/06
CPC分类号： E06C7/06 , E06C1/12
摘要： A gravity-type stop hook or catch for securing the fly section of an extension ladder to the base or ground section thereof, comprising a length of wire of appropriate section bent to the shape of an inverted V, the free end portion of the side legs of which are bent towards one another to define facing partial hook formations which are completed by a cross pin or rivet extending between said end portions, just above said partial hook formations. Another cross pin or rivet extends between said legs just below the crotch of the V to define a crotch opening for the reception of bolt or pin for pivotally connecting the stop hook to a ladder side rail.

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