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Sim card mounting structure of mobile phone
| Details |
Inventors: Sakaguchi, Katsuya; Saito, Toyoshi;
Assignee: NEC Corporation (Tokyo, JP)
Primary Examiner: Gary; Erika A.
Assistant Examiner: Cai; Wayne
Attorney, Agent or Firm: Dickstein, Shapiro, Morin & Oshinsky, LLP.
A SIM card mounting structure of a mobile phone includes a SIM card receiving recess 5 provided in a rear surface portion of a front side casing of the mobile phone for fittingly receiving a SIM card 1 therein, a pressing portion 3 formed of an elastic material and having one end integrally formed with the rear surface portion of the front side casing and the other end positioned over the SIM card receiving recess to elastically press the SIM card 1 and electrode terminals 2 for connecting electrodes of the SIM card 1 to a battery. The electrode terminals 2 are formed of an elastic material and arranged on a bottom of the recess 5 in an opposing relation to electrodes of the SIM card 1. The one end of the pressing portion is formed integrally on an end portion of the SIM card receiving recess 5 in a longitudinal direction of the mobile phone such that the pressing portion functions as a longitudinal leaf spring. The pressing portion 3 has a notch 4 for setting elasticity of the pressing portion appropriately and facilitating a handling operation of a SIM card. |
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DETAILED DESCRIPTION An object of the present invention is to provide a SIM card mounting structure, which does not use a specially dedicated part, is inexpensive, can easily confirm a mounting state of the SIM card therein and can be disassembled easily.
In order to achieve the above object, a SIM card mounting structure of a mobile phone having a front side casing and a back side casing, according to the present invention, comprises a SIM card receiving recess formed in a rear surface portion of the front side casing and adapted to fittingly receive a SIM card therein, a pressing portion formed of an elastic material for elastically pressing the SIM card received in the SIM card receiving recess, the pressing portion having one end portion formed integrally with an end portion of the rear surface portion of the front side casing by simultaneous molding and the other end portion extending over the SIM card receiving recess, and electrode terminals provided on a bottom of the SIM card receiving recess, the electrode terminals being formed of an electrically conductive, elastic material and positioned in an opposing relation to respective electrodes of the SIM card.
The pressing portion may be formed of a plastic material.
Further, it is preferable that the pressing portion has a notch portion for setting elasticity of the pressing portion appropriately and facilitating a handling of the SIM card.
In an embodiment of the present invention, the one end portion of the SIM card receiving recess, which is formed integrally with the one end portion of the pressing portion, is in an end portion in a longitudinal direction of the mobile phone such that the pressing portion functions as a longitudinal leaf spring.
In another embodiment of the present invention, the one end portion of the SIM card receiving recess, which is formed integrally with the one end portion of the pressing portion, is an edge portion of the SIM card mounting recess in a direction orthogonal to the longitudinal direction of the mobile phone such that the pressing portion functions as a lateral leaf spring
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