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Door opener - Automatic door opening device activated by motion sensors or pressure pads; Door damper – A hydraulic device employed to slow the door's closure; Door knocker; Door stop – used to prevent the door from opening too far or striking another object [3] Espagnolette (for a window) Fingerplate; Letter box or mail slot; Peephole ...
A "letter box", or "mail slot" in American and Canadian usage, is a slot, usually horizontal but sometimes vertical, about 30 cm by 5 cm (12 inches by 2 inches), cut through the middle or lower half of a front door. This style is almost universal in British homes and offices, but in the US is limited primarily to urban areas.
Mounted on the cabinet frame is the cabinet door. In contrast, frameless cabinet have no such supporting front face frame, the cabinet doors attach directly to the sides of the cabinet box. The box's side, bottom and top panels are usually 5 ⁄ 8 to 3 ⁄ 4 inch (15 to 20 mm) thick, with the door overlaying all but 1 ⁄ 16 inch (2 mm) of the ...
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On September 11, 1883, James Goold Cutler received U.S. patent 284,951, for a system connecting deposit boxes on multiple floors to a single ground-floor receptacle; the chute had to have a front of at least three-fourths glass to allow for the identification of mail clogs, and, if installed at a height of greater than two stories, an elastic cushion was to be fitted in the receptacle to ...
Equipment for a drop test of cushioned package to measure the transmitted shock. Proper performance of cushioning is dependent on its proper design and use. It is often best to use a trained packaging engineer, reputable vendor, consultant, or independent laboratory. An engineer needs to know the severity of shock (drop height, etc.) to protect ...
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A detail of an open-source bedframe design, made from CNC-cut plywood. Ready-to-assemble furniture has roots that extend back a long way, as cabinetmakers have been making furniture that is easy to disassemble for transport for centuries.