Abstract: A page wide ink jet printhead employed in a printer for printing characters on a print medium. The print medium progresses in a path through the printer during printing. The page wide ink Jet printhead includes print nozzles selectively aligned across the width of the print medium allowing the printhead to remaining stationary; a means for selectively ejecting ink through particular nozzles, which means is formed of a piezoelectric material which has microgrooves therein; ink residing in the microgrooves for ejection therefrom; sidewalls of the microgrooves which act as actuators to cause ink to be ejected from the microgrooves in response to an electrical pulse supplied thereto; and electrical circuitry to appropriately direct the electrical pulse to create an electric field across particular microgrooves to obtain a desired print character formed from ink droplets ejected from the microgrooves.

Abstract: A series of hard disk drives are secured atop molded plastic support trays slidably and removably received in opposing guide channel member pairs snap-fitted into opposite side walls of a sheet metal cage structure. Sheet metal electromagnetic interference and electrostatic discharge-suppressing housings enclose each hard disk drive, provide for ventilation of the hard disk drive and any associated electronic components through perforated portions thereof, and prevent transmission of electromagnetic interference through unperforated portions thereof. Each electromagnetic interference and electrostatic discharge-suppressing housing has grounding spring members mounted on a rear portion thereof, and resilient support members between the housing and the grounding spring members.

Abstract: In a rack-mounted computer system a server unit drawer structure is mounted between spaced pairs of front and rear corner support channel portions of the server cabinet using a pair of specially designed slide support brackets, each positioned on a different side of the drawer structure and extending completely between its associated pair of front and rear corner support channels. Front ends of the brackets have vertically spaced alignment tabs that are complementarily received in openings in side flange portions of the front corner channels and serve to precisely align the front bracket ends, and thus the front end wall of the drawer structure, with the cabinet framework in both horizontal directions. The front and rear ends of the brackets are secured to their associated support channels with threaded fasteners.

Abstract: A page wide ink jet printhead employed in a printer for printing characters on a print medium. The print medium progresses in a path through the printer during printing. The page wide ink jet printhead includes print nozzles selectively aligned across the width of the print medium allowing the printhead to remaining stationary; a means for selectively ejecting ink through particular nozzles, which means is formed of a piezoelectric material which has microgrooves therein; ink residing in the microgrooves for ejection therefrom; sidewalls of the microgrooves which act as actuators to cause ink to be ejected from the microgrooves in response to an electrical pulse supplied thereto; and electrical circuitry to appropriately direct the electrical pulse to create an electric field across particular microgrooves to obtain a desired print character formed from ink droplets ejected from the microgrooves.