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An adjustable bed is a bed which has a multi-hinged lying surface which can be profiled to a number of different positions. [1] Common adjustments include inclining the upper body and raising the lower body independently of each other.
Harvey Norman is the flagship brand of Harvey Norman Holdings. Harvey Norman is mainly a household goods retailer – with items being sold in their stores including major appliances, small appliances, information technology (such as computers, printers and mobile phones), furniture, bedding, hardware (bathrooms) and flooring among other things ...
This permits one partner to be lying flat to sleep while the other has the head and shoulders elevated to watch television or read. Couple adjustable beds also permit partners with different medical conditions to select a mattress positioning that best suits them. An air bed uses an air-inflated mattress, sometimes connected to an electric air ...
Hubbell Incorporated, headquartered in Shelton, Connecticut, is an American company that designs, manufactures, and sells electrical and electronic products for non-residential and residential construction, industrial, and utility applications.
In 1874 the mattress company Andrew Wuest and Son, Cincinnati, Ohio, registered a patent for a type of mattress frame with a hinged head that could be elevated, a predecessor of the modern day hospital bed. [4] The modern 3-segment adjustable hospital bed was invented by Willis Dew Gatch (1877-1962), chair of the Department of Surgery at the ...
Small variable-frequency drive Chassis of above VFD (cover removed). A variable-frequency drive (VFD, or adjustable-frequency drive, adjustable-speed drive, variable-speed drive, AC drive, micro drive, inverter drive, variable voltage variable frequency drive, or drive) is a type of AC motor drive (system incorporating a motor) that controls speed and torque by varying the frequency of the ...
An electric overblanket is placed above the top bed sheet, and is the most common type in the U.S. and Canada, where it is called an "electric blanket". [2] Electric blankets usually have a control unit that adjusts the amount of heat the blanket produces by pulsing current at different intervals. Blankets for two-person beds often have ...
[5] [6] The design was based on an American plug and socket-outlet first intended for use at 120 V which was patented in 1916 under U.S. patent 1,179,728 by Harvey Hubbell. [7] By the early 1930s this design had been up-rated to 250 V 10 A capacity and Hubbell had supplied the Australian electrical industry with his sockets. [8]
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