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    • 4. 发明授权
    • Protective serving mat
    • 防护服垫
    • US5047267A
    • 1991-09-10
    • US365836
    • 1989-06-13
    • Terese A. PantaleoDonald E. Perrin
    • Terese A. PantaleoDonald E. Perrin
    • A47G23/03B44C5/00
    • B44C5/00A47G23/0303A47G2200/106Y10S428/90Y10T428/24562Y10T428/249997
    • A protective serving mat is disclosed comprising generally flat first and second chambers superimposed on each other. The first chamber is transparent and is adapted to embody fluid media and objects suspended therein for amusement. The first chamber includes a resealable opening so that a user may access the first chamber to alter the contents as desired. The second chamber is visible through the first chamber and is used to protect and display generally flat items such as papers with sealing decorative or amusing indicia or menus. The second chamber includes an opening to allow access to the chamber so that the menus or indicia bearing papers can be varied as desired by a user.
    • 公开了一种保护性服务垫,其包括彼此重叠的大致平坦的第一和第二腔室。 第一室是透明的并且适于包含流体介质和悬挂在其中的物体以用于娱乐。 第一室包括可重新密封的开口,使得使用者可以进入第一室以根据需要改变内容。 第二个房间可以通过第一个房间看到,并且用于保护和显示大体上平坦的物品,例如具有密封装饰或有趣的标记或菜单的纸张。 第二腔室包括允许进入腔室的开口,使得菜单或标记支承纸可以根据使用者的需要而变化。
    • 6. 发明授权
    • Roller-hinge assembly for retractable overhead door
    • 用于可伸缩架空门的滚轮铰链组件
    • US5235724A
    • 1993-08-17
    • US756535
    • 1991-09-09
    • Donald E. PerrinPerrin L. Halley
    • Donald E. PerrinPerrin L. Halley
    • E05D5/06E05D15/16E05D15/24
    • E05D15/165E05D15/242E05D5/06E05Y2900/106E05Y2900/516Y10T16/381Y10T16/522
    • This invention pertains to a retractable roller-hinge assembly for use with retractable overhead doors. More particularly, this invention relates to a novel roller-hinge assembly which when installed on conventional retractable overhead doors, such as garage doors warehouse doors or truck doors, enables the door panels to pull away more quickly from the door frame as the overhead door is raised, or lowered. A hinge assembly for connecting upper and lower panels of a retractable overhead door comprising: (a) upper devices for securing to the upper panel; (b) lower devices adapted for securing to the lower panel, the lower devices being hingedly connected by a pivotal axis to the upper devices; (c) roller and roller axle devices rotatably connected to the upper devices, said roller and axle devices being adapted to move towards the lower devices as the upper devices are pivoted about the pivotal axis.
    • 本发明涉及一种用于可伸缩式顶棚门的伸缩式滚轮铰链组件。 更具体地说,本发明涉及一种新颖的滚子 - 铰链组件,当安装在诸如车库门仓库门或卡车门的常规可伸缩架空门上时,门顶板门可以更快地从门框拉开,因为架空门是 升高或降低 一种用于连接可伸缩式顶棚门的上板和下板的铰链组件,包括:(a)用于固定到上板的上装置; (b)适于固定到下面板的下部装置,下部装置通过枢转轴线铰接地连接到上部装置; (c)可旋转地连接到上部装置的滚子和滚子轴装置,当上部装置围绕枢转轴线枢转时,所述滚子和轴装置适于向下部装置移动。