H - Electricity – 05 – K
Patent
H - Electricity
05
K
356/21
H05K 7/14 (2006.01)
Patent
CA 1263895
Abstract A chassis for holding a plurality of printed circuit boards has a number of locations at which said printed circuit boards may be positioned. Each of said locations having opposed slotted tracks for holding opposite edges of the printed circuit board placed at that location. One of the locations holds a power supply for the chassis. A printed circuit board retaining mechanism has a first position in which a tab extends across the slots in one of the tracks for each of the printed circuit board locations and a second position in which the tabs do not extend across the slot. Each of the printed circuit boards has a notch along one edge. When the printed circuit board is fully inserted into one of the locations in the chassis, the tab corresponding to that track engages the notch preventing the removal of the printed circuit board from the chassis. The retaining mechanism also includes a switch actuator which engages a switch on the power supply so that when the retain- ing mechanism is in the second position, the power to the chassis is turned off. This prevents the removal of one of the printed circuit boards while power is still being applied to it.
536238
Allen-Bradley Company Inc.
Shapiro Cohen
LandOfFree
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