Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2002-01-07
2003-12-23
Martin, David (Department: 2841)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S724000, C361S797000, C257S099000, C174S051000, C174S034000
Reexamination Certificate
active
06667889
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to a system and method for installing printed circuit boards into an electronic device, and particularly to a device for guiding and retaining a printed circuit board in an electronic device.
BACKGROUND OF THE INVENTION
Printed circuit boards, otherwise known as boards or cards, serve as a basic framework for assembling electrical components into a useful electronic device. In a typical electronic device, electronic components are mounted onto a surface of the board. Metal lead wires from the component are then soldered to conductive traces on the board. Soldering the leads to the board serves two purposes: first, it secures the electronic component to the printed circuit board and, second, it ensures a good electrical connection between the electronic component and the conductive path.
In many electronic devices, such as computers, the electronic components are mounted onto several printed circuit boards. For the electronic components to perform their desired function, each of the boards must be electrically coupled to other elements of the electrical system of the device. Typically, a printed circuit board contains an electrical connector that is configured to matingly engage a corresponding electrical connector within the device. When mated, the electrical connectors create conductive paths between the two electrical connectors. Typically, electrical connectors are configured in a male-female configuration, i.e., a male connector is physically inserted into a female connector.
Circuit boards are installed in electronic systems in a variety of orientations. The selected orientation may be based on a number of factors, including physical constraints required by the device and the intended function of the circuit board. The physical constraints of the device also may make removal and installation of the circuit board difficult and/or time consuming. For example, many electronic devices, such as servers, are typically mounted in vertical rack-mounted systems. The device would have to be removed from the rack-mounted system to access the device from the top or the bottom. This gets increasingly difficult as the weight and the height of the device in the rack increases.
Servers typically utilize a mid-plane board that is vertically mounted within a chassis. The mid-plane board is used to electrically couple electronic devices and/or other circuit boards located on the same and opposite sides of the mid-plane board. Typically, the server must be removed from the rack if the mid-plane board is to be removed from the server or installed therein. Those components of the server that may be removed while the server is still mounted in the rack are removed to make the server lighter for easier removal from the rack. The server is then removed from the rack and the mid-plane board is accessed via the top of the chassis. The process is repeated in reverse order to replace the mid-plane board in the server and to reinstall the server in the rack. The process of removing and reinstalling the mid-plane board is time-consuming.
Therefore, it would be advantageous to have an apparatus that would enable a circuit board to be more easily removed from and replaced in a chassis. This is especially true for circuit boards that are vertically mounted within a chassis and are to be removed from the front or rear of the chassis.
SUMMARY OF THE INVENTION
Certain aspects commensurate in scope with the originally claimed invention are set forth below. It should be understood that these aspects are presented merely to provide the reader with a brief summary of certain forms the invention might take and that these aspects are not intended to limit the scope of the invention. Indeed, the invention may encompass a variety of aspects that may not be set forth below.
According to one aspect of the present invention, a circuit board holder is featured. The circuit board holder has a receiving portion that is adapted to receive a circuit board. The circuit board holder also has a pivoting portion that enables the circuit board to pivot relative to a chassis. Additionally, the circuit board holder has a securing portion that enables the circuit board to be selectively secured to the chassis.
According to another aspect of the present invention, an electronic device is featured. The electronic device has a chassis and a circuit board holder. The circuit board holder is pivotably secured to the chassis. Additionally, the circuit board holder is operable to secure the circuit board in a first position relative to the chassis. The circuit board holder also is operable to pivot the circuit board from the first position to a second position relative to the chassis.
REFERENCES:
patent: 5337220 (1994-08-01), Granitz
patent: 5572402 (1996-11-01), Jeong
patent: 6234820 (2001-05-01), Perino et al.
patent: 6282099 (2001-08-01), Wilson et al.
patent: 6493033 (2002-12-01), Glogan et al.
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