3com Corporation

Philip A Ravlin

Amir Koradia

Douglas J Pogatetz

Gerald A Greco

Hong Li

John J Connell

Kisuck Chung

Kenneth S Laughlin

Sajid Patel

An apparatus and method for providing radial alignment of a housing mounted on a circuit board is provided. A mounting leg portion extends outward from a mounting surface of the housing. The mounting leg portion has a body portion, an end portion, and a radial alignment portion. The radial alignment portion extends outward from the mounting surface. The radial alignment portion has a circumference, and is adapted to be received in a mounting opening formed in the circuit board. The radial alignment portion prevents radial movement of the mounting leg portion with respect to the circuit board. The end portion of the mounting leg portion includes a snap portion for engaging the circuit board and securing the mounting leg portion to the circuit board.

Latching apparatus and method for providing radial alignment of a housing mounted on a circuit board

An apparatus for aligning a bracket member of a circuit board assembly as the bracket member is positioned against and secured to an electronic chassis is provided. A circuit board assembly includes a circuit board operatively attached to a bracket member. The bracket member includes a first end, a second end, an outer surface and an inner surface. A gasket is longitudinally oriented along the outer surface of the bracket member. A first pin extends from the inner surface adjacent the first end, and a second pin extends from the inner surface adjacent the second end. An electronic chassis includes a top flange and a bottom flange. The top flange includes a top flange opening and the bottom flange includes a bottom flange opening. The first pin is aligned with and extends through the top flange opening and the second pin is aligned with and extends through the bottom flange opening to align the bracket member as the bracket member is positioned against and secured to the electronic chassis.

Apparatus and method for aligning a circuit board assembly in an electronic chassis

A locking spring for a circuit board ejector includes a body portion, a first end portion and a second end portion. The second end portion includes a manually operable portion. The manually operable portion includes a plurality of ridge portions to allow a user to apply a load to the manually operable portion at an optimum location along the manually operable portion to unlock a circuit board ejector.

Locking spring for a circuit board ejector

A backplane circuit board for an electronic chassis includes a bracket and an upper circuit board operatively connected to the bracket. A lower circuit board is also operatively connected to the bracket wherein the upper circuit board is offset from the lower circuit board and the upper circuit board is parallel to the lower circuit board.

Backplane circuit board for an electronic chassis

A circuit board ejector includes a handle portion and a hook portion, the handle portion including a manually operable portion. The manually operable portion includes a plurality of ridge portions and a raised lip portion to allow a user to apply a load to the manually operable portion to position the circuit board ejector into a locked position.

Circuit board ejector having a manually operable portion

An electronic chassis includes a first card guide attached to the electronic chassis. The first card guide includes a plurality of openings formed therein. The first card guide further includes a channel positioned between each of the plurality of openings to receive a plurality of circuit boards. A first electromagnetic interference (EMI) shielding screen is positioned adjacent the first card guide. An air filter is positioned within the electronic chassis, and is spaced-apart from the EMI shielding screen to allow room air to flow through the air filter and to allow filtered air to be distributed along the plurality of openings.

Electronic chassis apparatus and method

An apparatus for mounting a backplane circuit board to an electronic chassis is provided. An electronic chassis includes a first card guide assembly and a second card guide assembly. The first card guide assembly includes first and second guide pins. The first guide pin of the first card guide assembly is positioned adjacent a first end of the first card guide assembly and the second guide pin of the first card guide assembly is positioned adjacent a second end of the first card guide assembly. The second card guide assembly includes first and second guide pins. The first guide pin of the second card guide assembly is positioned adjacent a first end of the second card guide assembly and the second guide pin of the second card guide assembly is positioned adjacent a second end of the second card guide assembly. A backplane circuit board includes first and second openings to receive the first and second guide pins of the first card guide assembly and third and fourth openings to receive the first and second guide pins of the second card guide assembly. The third and fourth openings have a diameter less than a diameter of the first and second openings to allow a user to first position a bottom portion of the backplane circuit board against the second card guide assembly wherein the third and fourth openings receive the first and second guide pins of the second card guide assembly and second, to position a top portion of the backplane circuit board against the first card guide assembly wherein the first and second openings receive the first and second guide pins of the first card guide assembly to allow proper alignment of the backplane circuit board to the first and second card guide assemblies.

Apparatus and method for mounting a backplane circuit board to an electronic chassis

An adapter apparatus for transmitting electronic data includes a circuit board having a first side and a second side. At least two male connectors are positioned adjacent to the first side of the circuit board. Each of the at least two male connectors includes a plurality of transmit-receive pairs of pins. Each of the plurality of transmit-receive pairs of pins includes a pin for transmitting data and a pin for receiving data. A first pin header is positioned adjacent the second side of the circuit board. The first pin header includes a plurality of pins for receiving data. A second pin header is positioned adjacent the second side of the circuit board. The second pin header includes a plurality of pins for transmitting data. The plurality of pins for receiving data and the plurality of pins for transmitting data are operatively connected to the plurality of transmit-receive pairs of pins.

Adapter apparatus and method for transmitting electronic data

An apparatus for guiding a circuit board into an electronic chassis includes a circuit board guide having an end portion. An insertion guide member is positioned adjacent to the end portion of the circuit board guide to guide the circuit board into the electronic chassis and to prevent the circuit board from contacting the end portion of the circuit board guide.

Apparatus and method for guiding a circuit board into an electronic

An exhaust vent for venting exhaust air from an electronic chassis includes a body portion having a length. The body portion is mounted to the electronic chassis. The body portion includes an upper portion that extends along the length of the body portion and a lower portion that also extends along the length of the body portion. The upper portion includes a deflector portion and the lower portion includes a curved portion. The deflector portion of the upper portion and the curved portion of the lower portion define an exhaust opening in the body portion to allow the exhaust air from the electronic chassis to pass through the exhaust opening in a downward direction and to conceal an inside portion of the electronic chassis.

Exhaust vent for an electronic chassis

An electronic chassis and filter apparatus is provided. A chassis includes a top portion, a bottom portion, a first side wall portion, and a second side wall portion. The bottom portion includes an open front side, a closed back side, a first guide rail portion and a second guide rail portion. An ejector spring is operatively attached to the back side of the bottom portion, and a spring-biased actuator is operatively connected to the first rail portion adjacent the open front side. When the filter is inserted into the open front side, the filter contacts the ejector spring which biases the filter against the spring-biased actuator.

Electronic chassis and filter apparatus and method

An apparatus for mounting a circuit board assembly to an electronic chassis is provided. A circuit board assembly includes a circuit board operatively attached to a bracket member having a first end and a second end. A first connector member is rotatably attached to the first end, and a second connector member is rotatably attached to the second end. The first connector member includes a first hook portion and a first handle portion. The second connector member includes a second hook portion and a second handle portion. The first and second hook portions each include a first surface and a second surface oriented at an angle to the first surface. The first surface of the first hook portion contacts with a first spring and the first surface of the second hook portion contacts with a second spring to orient the first and second connectors in an insertion position. The second surface of the first hook portion contacts with the first spring and the second surface of the second hook portion contacts with the second spring to orient the first and second connector members in an intermediate position and a locked position.

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Bartlett, IL, United States of America

Philip A Ravlin