Electrical connector with improved contacts

Details Electrical connector with improved contacts Electrical connector with improved contacts

2001-09-14

2002-10-01

Paumen, Gary R (Department: 2833)

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

C439S079000

Reexamination Certificate

active

06457998

ABSTRACT:

FIELD OF THE INVENTION
The present invention generally relates to an electrical connector, and more particularly to an electrical connector with improved first and second sets of contacts to connect an electronic device to a first and a second powering devices.
BACKGROUND OF THE INVENTION
It is well known that mobile phones use electrical connectors to charge. The connectors are usually provided with two sets of contacts adapted for respectively connecting to two types of powering devices.
CN Patent No. 99256239.2 discloses a conventional electrical connector. As shown in
FIG. 5
, the electrical connector is provided with a housing
2
and a first and a second sets of contacts
4
,
6
respectively connecting a mobile phone with a first and a second powering devices. The first set of contacts
4
includes a first and a second contacts
41
,
43
. The first and the second contacts
41
,
43
respectively have a first and a second connecting portions
413
,
433
. The second set of contacts
6
includes a third contact
61
, a fourth contact
63
having a connecting section
637
, and a connecting element
65
. The third contact
61
includes a rigid pin
611
for connecting with a terminal of the second powering device and a first flexible arm
613
extending out of the electrical connector for electrically connecting to a printed circuit board (PCB) of the mobile phone. The fourth contact
63
has a second flexible arm
632
also extending out of the electrical connector and electrically connecting to the PCB of the mobile phone. The second and the fourth contacts
43
,
63
are connected by the second connecting portion
433
of the second contact
43
abutting the connecting section
637
, thereby forming a first electrical circuit therein. The first and the third contacts
41
,
61
are connected by the third and the fourth connecting portions
651
,
653
of the connecting element
65
respectively abutting a lower portion of the third contact
61
and the first connecting portion
413
of the first contact
41
, thereby forming a second electrical circuit therein. The first and the second electrical circuits connect with circuit traces of the PCB of the mobile phone through the first and the second flexible arms
613
,
632
.
However, the third contact
61
described above integrates the rigid contact
611
and the first flexible arm
613
, which needs a complicated process in manufacturing and leads to a waste of material. Moreover, the first and the second contacts
41
,
43
are respectively connected to the third and the fourth contacts
61
,
63
by the first and the second connecting portions
413
,
433
respectively abutting the fourth connecting portion
653
and the connecting section
637
, which may not be a reliable connection.
Hence, an improved electrical connector is needed to overcome the forgoing shortcomings.
BRIEF SUMMARY OF THE INVENTION
A main object of the present invention is to provide an electrical connector adapted for connecting an electronic device with two powering devices.
Another object of the present invention is to provide an electrical connector which is easy for manufacturing.
An electrical connector for connecting an electronic device with a first and a second powering devices according to the present invention comprises an insulative housing and a first and a second sets of contacts received in the housing. The housing includes a first and a second slots and a mating hole. The first set of contacts are connected to the first powering device and include a first and a second contacts. The second set of contacts are connected to the second powering device and comprise a third, a fourth, a fifth contacts and a connecting element. The third and the fifth contacts respectively have a first and a second bias terminals extending beyond the housing through the first and the second slots for terminating to the electronic device. The fourth contact partially extends into the mating hole of the housing. The connecting element connects the third and the second contacts. The fourth and the fifth contacts are separately formed and electrically connect with each other by the first contact.
Other objects, advantages and novel feather of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 5904597 (1999-05-01), Doi et al.
patent: 6048228 (2000-04-01), Aso
patent: 6200167 (2001-03-01), Aso
patent: 6241558 (2001-06-01), Mosquera
patent: 6244883 (2001-06-01), Ito et al.
patent: 6247948 (2001-06-01), Davis et al.

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