Electrical connectors – With coupling separator – Nonconducting pusher
Reexamination Certificate
2000-02-07
2001-04-10
Abrams, Neil (Department: 2839)
Electrical connectors
With coupling separator
Nonconducting pusher
C439S152000
Reexamination Certificate
active
06213796
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates an ejector mechanism for disengaging an electronic device from an electrical connector on a circuit board, more particularly to an ejector mechanism which is easily operable to disengage an electronic device from an electrical connector on a circuit board in order to facilitate replacement of the electronic device.
2. Description of the Related Art
A circuit board in a computer housing is usually mounted with a plurality of electronic devices for performing different functions. Each of the electronic devices has an electrical mating end portion which is connected to a corresponding electrical connector provided on the circuit board. Typically, the engagement between the electrical mating end portion of the electronic device and the electrical connector is relatively tight so as to ensure stable electrical connection therebetween. Clearances formed among adjacent ones of the electronic devices are usually relatively small. When it is desired to remove one of the electronic devices from the circuit board, such as for replacement with a new one, it is relatively difficult for a person to apply a pulling force to disengage the electronic device from the corresponding electrical connector. It is very likely that an adjacent one of the electronic devices will be accidentally damaged during the detachment operation.
SUMMARY OF THE INVENTION
Therefore, the main object of the present invention is to provide an ejector mechanism which is easily operable to disengage an electronic device from an electrical connector on a circuit board without damaging an adjacent electronic device to facilitate replacement.
Accordingly, the ejector mechanism of the present invention is adapted for pulling an electrical mating end portion of an electronic device in a first direction away from an electrical connector that is provided on a circuit board. The ejector mechanism includes a base member adapted for retaining the electronic device thereon, a cover member which is disposed above the base member and which cooperates with the base member so as to confine the electronic device therebetween, and an elongated operating member. The base member has a rear end distal to the electrical mating end portion of the electronic device in the first direction and formed with an upwardly extending engaging flange that extends in a second direction transverse to the first direction. The cover member has a pivot portion disposed above the engaging flange. The operating member extends in the second direction, and is mounted pivotally on the pivot portion of the cover member about a pivot axis. The operating member has a hook projection which defines a downwardly opening engaging groove for receiving the engaging flange therein. The operating member is rotatable about the pivot axis to enable the hook projection to apply a pulling force in the first direction at the engaging flange, thereby resulting in corresponding movement of the base member in the first direction so as to be adapted to disengage the electrical mating end portion of the electronic device from the electrical connector on the circuit board.
REFERENCES:
patent: 5634815 (1997-06-01), Inazuka
patent: 5793607 (1998-08-01), Karidis et al.
patent: 5946196 (1999-08-01), Baek
patent: 5971780 (1999-10-01), Youn
Chien Chung-Chi
Lin Po-An
Abrams Neil
Compal Electronics, Inc
Dinh Phuong KT
Pillsbury & Winthrop LLP
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