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A spring pin (also called tension pin or roll pin) is a mechanical fastener that secures the position of two or more parts of a machine relative to each other. Spring pins have a body diameter which is larger than the diameter of the hole they are intended for, and a chamfer on either one or both ends to facilitate starting the pin into the hole.
Following HP's acquisition of Compaq in 2002, this series of notebooks was discontinued, replaced with the HP Pavilion, HP Compaq, and Compaq Presario notebooks. The OmniBook name would later be repurposed for a line of consumer-oriented notebooks in 2024, replacing the old Pavilion and Spectre series of notebooks.
A screen roller or spline roller is a small hand tool used to press screen mesh into the edges of a window frame that is fluted on the inner edges, or to press in the retainer spline that holds that mesh in place. Often these are combined into a single tool or combined with a spline cutter; versions are currently manufactured from plastic or ...
A door closer is a mechanical device that regulates the speed and action of a door’s swing. [1] Manual closers store the force used to open the door in some type of spring and reuse it to close the door. Automatic types use electricity to regulate door swing behavior. Door closers can be linked to a building's fire and security alarm systems. [2]
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HP-150 II (aka HP 45849A) [6] replaced HP-150 in 1984. While still called HP Touchscreen II , the touchscreen was no longer standard, but rather a rarely-adopted option. The optional touchscreen bezel was superior to the original bezel, in that the emitters and detectors were now located behind a solid infrared-transparent plastic; thus ...
A spring (made by winding a wire around a cylinder) is of two types: Tension or extension springs are designed to become longer under load. Their turns (loops) are normally touching in the unloaded position, and they have a hook, eye or some other means of attachment at each end. Compression springs are designed to become shorter when loaded ...
The 15 ships with a 15.6-inch HP LED display with 1366 × 768 (TN) or 1920 × 1080 (IPS) resolution. The webcam on the Envy 15 is night-vision capable with infra-red sensor. The Envy 15 is designed to house a single 2.5-inch Serial ATA drive, or two 1.8-inch SATA drives, with two 160 GB solid state drives configuration available.