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Connector having a rotary engaging memberRelated Patent Categories: Electrical Connectors, With Coupling SeparatorConnector having a rotary engaging member description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060223350, Connector having a rotary engaging member. Brief Patent Description - Full Patent Description - Patent Application Claims
[0001] This application claims priority to prior Japanese patent application JP 2005-108769, the disclosure of which is incorporated herein by reference. BACKGROUND OF THE INVENTION [0002] This invention relates to a connector for electrically connecting a connection object. [0003] In recent years, a card with an IC or a memory built therein is widely used. In order to connect the card of the type, various kinds of connectors have been proposed. As one of those connectors, there is known a card connector which is prevented from being broken even if the card inserted and connected is forcibly removed. [0004] For example, such a card connector is disclosed in Japanese Unexamined Patent Application Publication (JP-A) No. 2003-243090. The card connector comprises a housing for receiving a card so that the card is inserted and removed in forward and backward directions, an ejector movable forward and backward in the housing together with the card, an ejector locking member for locking the movement of the ejector with respect to the housing at a card fitting position, a card locking member to be engaged with the card for locking the movement of the card with respect to the ejector, and an elastic member arranged to be increased in elastic force applied upon the card locking member following the forward movement of the card and the ejector. [0005] In the above-mentioned card connector, the card locking member is, actually, a leaf spring of a cantilevered shape. Therefore, the leaf spring is required to have an elastically deformable portion of a long distance. [0006] Accordingly, the above-mentioned card connector is difficult to be reduced in size. [0007] Another card connector is disclosed in Japanese Unexamined Patent Application Publication (JP-A) No. 2003-308910. The card connector comprises a slider to be engaged with a card inserted in the card connector, an ejecting spring for urging the slider in a card ejecting direction, a heart cam for controlling the movement of the slider, a locking mechanism for locking the slider, and a leaf spring mounted to the slider to be engaged with the card. The card connector is designed so that a card locking force of the leaf spring is controlled depending upon a position of the card. [0008] However, such a mechanism for controlling the locking force requires a large space. Therefore, the above-mentioned card connector is difficult to be reduced in size. Further, because of a complicated structure, it is difficult to maintain the reliability. SUMMARY OF THE INVENTION [0009] It is therefore an object of this invention to provide a connector which can be reduced in size and which is capable of maintaining the reliability with a simple structure. [0010] Other objects of the present invention will become clear as the description proceeds. [0011] According to an aspect of the present invention, there is provided a connector for connecting a connection object having a locked portion, the connector comprising a movable member movable in a predetermined direction between a connecting position and an ejecting position together with the connection object, a cam mechanism coupled to the movable member for selectively maintaining the movable member at the connecting position or at the ejecting position, a first engaging member held by the movable member and rotatable in a rotating direction, the first engaging member having a locking portion to be engaged with the locked portion in the predetermined direction when the first engaging member is located at a predetermined angular position, and a braking device coupled with the first engaging member to brake the first engaging member in the rotating direction. [0012] According to an aspect of the present invention, there is provided a connector to be connected to a connection object having a locked portion, the connector comprising a movable member to be contacted with the connection object and movable together with the connection object, a cam mechanism for selectively maintaining the movable member at a connecting position or an ejecting position of the connection object, and an elastic member for continuously urging the connection object towards the ejecting position, the movable member having an engaging member provided with a locking portion to be engaged with the locked portion, the engaging member being rotatably held by a rotation shaft and adapted to lock a connected state of the connection object, the elastic member continuously urging the locking portion towards the locked portion. [0013] According to an aspect of the present invention, there is provided a connector comprising a housing and an ejecting mechanism formed on the housing to connect a connection object having a locked portion at a connecting position and to eject the connection object to an ejecting position, wherein the ejecting mechanism comprises an ejecting member to be contacted with the connection object and movable together with the connection object, the ejecting member having an engaging member provided with a locking portion to be engaged with the locked portion, a cam mechanism for selectively maintaining the ejecting member at the connecting position or the ejecting position of the connection object, and an elastic member urging the engaging member towards the ejecting position, the engaging member being rotatably held by a rotation shaft formed on the ejecting member and being adapted to lock a fitted state of the connection object, the elastic member urging the locking portion towards the locked portion. BRIEF DESCRIPTION OF THE DRAWING [0014] FIG. 1 is a top perspective view of a connector according to an embodiment of this invention; [0015] FIG. 2 is a bottom perspective view of the connector illustrated in FIG. 1; [0016] FIG. 3 is a top perspective view of the connector illustrated in FIG. 1 in a state where a cover frame is removed therefrom; [0017] FIG. 4 is a bottom perspective view of the connector in the state illustrated in FIG. 3; [0018] FIG. 5 is a perspective view of an internal mechanism of the connector illustrated in FIGS. 1 and 2 together with a card; [0019] FIG. 6 is an enlarged view of a characteristic part in FIG. 5; [0020] FIG. 7 is a perspective view of an ejecting member of the connector illustrated in FIG. 1; [0021] FIG. 8 is an enlarged perspective view of a characteristic part of the ejecting member illustrated in FIG. 7 together with the card; Continue reading about Connector having a rotary engaging member... 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