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    • 7. 发明授权
    • Folding bed frame structure for sofa beds or the like
    • 用于沙发床等的折叠床架结构
    • US4399571A
    • 1983-08-23
    • US275490
    • 1981-06-19
    • Tom B. Joyce
    • Tom B. Joyce
    • A47C17/20A47C17/14
    • A47C17/20
    • A folding sofa bed frame having head, intermediate and foot bed sections pivotally connected end-to-end and supported and constrained by a linkage arrangement to move in a predetermined pattern between a folded position and a horizontally extended position. A link supports the head and main intermediate sections at their pivotal connection and an actuating link controls movement of the head section, the head section being braced in a horizontal disposition in the extended position by the superposed abutment of the support link by the actuating link. To facilitate shipping, the head section is partially foldable and pivotable independently of the linkage arrangement and the other bed sections to permit folding thereof between the main intermediate and foot sections during folding movement of the frame from its extended to its folded position. The linkage arrangement includes a rear support link having a fixed pivot at one end and a traveling pivot at the other, a fixed stop being disposed to abut the rear support link during an initial portion of movement of the frame from the folded to the extended position and during the corresponding final portion of movement from the extended to the folded position to fix the traveling pivot and cause the frame to pivot thereabout in a tighter, more compact path during such initial and final movements.
    • 一种折叠沙发床架,其具有头端,中间和脚部床部分,其枢转地连接到端部并且由连杆装置支撑和约束,以在折叠位置和水平延伸位置之间以预定图案移动。 连杆支撑头部和主中间部分在其枢转连接处,并且致动连杆控制头部部分的运动,头部部分通过由致动连杆的支撑连杆的重叠邻接而处于伸展位置的水平布置中。 为了便于运输,头部部分是部分可折叠的并且可独立于连杆装置和其它床部分枢转,以允许在框架从其延伸到折叠位置的折叠运动期间在主中间部分和脚部部分之间折叠。 连杆装置包括一后支撑连杆,其在一端具有一固定枢轴,另一端具有一行进枢轴,该固定止动件设置成在框架从折叠到延伸位置的初始运动部分期间抵靠后支撑连杆 并且在从延伸到折叠位置的相应的最后部分移动期间,以固定行进枢轴,并且使得框架在这样的初始和最终运动期间以更紧密,更紧凑的路径在其周围枢转。
    • 9. 发明授权
    • Water mattress construction
    • 水床垫施工
    • US4187569A
    • 1980-02-12
    • US883523
    • 1978-03-06
    • Dave Calleance
    • Dave Calleance
    • A47C27/08A47C17/14
    • A47C27/085
    • A water mattress construction which includes an interior perimetrical air chamber comprises three similar web portions of polyvinyl material or the like. The mattress is formed by first securing an air valve through the top sheet near the edge thereof. A first seam, which is spaced inwardly from the perimeter of the sheets, is then made to join the upper and medial web portions. A water valve is then secured through the upper and medial web portions, and is secured within the confines of the first seam. A second, perimetrical seam is then made to join the outer edges of all three web portions. The chamber defined by the upper and medial web portions and the two seams is filled with air, and the chamber defined by the medial and lower web portions is filled with water. Further seams may be made to join the upper and medial web portions forming medial chambers extending longitudinally in the mattress.
    • 包括内部周边空气室的水床结构包括聚乙烯基材料等的三个类似的纤维网部分。 床垫通过首先将空气阀固定在其边缘附近的顶片上而形成。 然后,将与片材周边间隔开的第一接缝制成连接上部和内侧腹板部分。 然后,水阀通过上部和内侧腹板部分固定,并且固定在第一接缝的范围内。 然后制造第二个周边接缝以连接所有三个腹板部分的外边缘。 由上部和内侧腹板部分和两个接缝限定的腔室被空气填充,并且由内部和下部腹板部分限定的室用水填充。 可以进一步接缝以连接形成在床垫中纵向延伸的中间室的上部和内侧腹板部分。
    • 10. 发明授权
    • Sofa bed and linkage mechanism
    • 沙发床和联动机构
    • US4048680A
    • 1977-09-20
    • US723159
    • 1976-09-14
    • Walter Clark Rogers, Jr.
    • Walter Clark Rogers, Jr.
    • A47C17/17A47C17/175A47C17/14
    • A47C17/1756
    • A sofa bed including a seat and back pivotally connected to each other and mounted to a stationary base by means of a five-bar linkage located at opposite sides of the sofa bed. In the "bed position," the five-bar linkage is in an open or expanded state with the seat and back extending in coplanar relationship in horizontal plane parallel to and above the base. In the "sofa position," the five-bar linkage is closed or collapsed and the seat extends in a horizontal plane and the back extends in an upright inclined position. To actuate the sofa bed between said positions, the seat is grasped at a forward edge portion and slightly raised which activates a second linkage, namely a four-bar linkage, which actuates and controls the five-bar linkage while permitting it to either open or close depending upon the position of the sofa bed to be achieved. The four-bar linkage includes a link in the form of a crank pivotally connected at one end to the seat and a second link having one end pivotally connected to the opposite end of the crank and an intermediate portion pivotally connected to an intermediate portion of one of the links of the five-bar linkage which also forms one of the links of the four-bar linkage. Stop means are provided for limiting and defining both positions of the sofa bed.
    • 一个沙发床,包括一个座位和后部,它们相互枢转地连接,并通过位于沙发床的相对两侧的五杆连接件安装到固定的底座上。 在“床位”中,五杆连杆处于开放或膨胀状态,座位和后背在平行于基座的水平面上以共面关系延伸。 在“沙发位置”中,五杆连杆机构关闭或折叠,座椅在水平面上延伸,后部以直立的倾斜位置延伸。 为了在所述位置之间致动所述沙发床,所述座椅在前边缘部分被抓握并略微升高,其启动第二连杆机构,即四杆连杆机构,其驱动并控制所述五杆连杆机构,同时允许其打开或 根据要实现的沙发床的位置关闭。 所述四杆连杆机构包括以一端连接到所述座椅的曲柄形式的曲柄连杆,以及具有一端枢转地连接到所述曲柄的相对端的第二连杆,以及枢转地连接到所述曲柄的中间部分的中间部分 五杆联动的联系也是四杆联动的一个环节。 提供止动装置用于限制和限定沙发床的两个位置。