Optical waveguides – Accessories – Splice box and surplus fiber storage/trays/organizers/ carriers
Reexamination Certificate
2000-08-04
2002-05-14
Nguyen, Khiem (Department: 2839)
Optical waveguides
Accessories
Splice box and surplus fiber storage/trays/organizers/ carriers
C385S053000
Reexamination Certificate
active
06389212
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a structure of a junction terminal block mainly used for indoor junction and a mounting structure including a substrate for mounting the junction terminal block to a wall member and particularly to a junction terminal block formed of one molded body and a junction terminal block mounting structure by which handling operability in detachably mounting the junction terminal block to the substrate and the wall member is improved.
BACKGROUND ART
As well known, as means for joining and connecting a large number of fibers, a mechanism device called a so-called fiber connector formed of a substrate and a wall member disposed at a junction and a fiber connector member having a socket body detachably mounted to the substrate and the wall member has been developed and provided, for example.
The above prior-art fiber connector device is for joining and connecting the large number of fibers and used by mounting a large number of fiber connector members to the substrate and the wall member such that the fiber connector members are standing close together in a normal design. For example, if fiber connector plugs are partially attached to and detached from the socket bodies of the fiber connector members for maintenance, the device has to be formed such that the target fiber connector members can be withdrawn from the substrate and the wall member.
On the above condition, the prior-art fiber connector device has to be formed of a large number of constituting members as shown in FIG.
11
and has many problems such as a great increase in manufacturing cost, a complicated assembly operation of the respective constituting members, difficulty in disposing the substrate and the wall member, and complicated attaching and detaching operations of the fiber connector member to and from the substrate and the wall member.
In other words, the prior-art fiber connector device
51
shown in
FIG. 11
is formed of a combination of the substrate
52
as a base for mounting, a plurality of wall members
53
standing at regular intervals D and in parallel with one another on one face
52
a
of the substrate
52
, fiber connector members
55
mounted between the wall members
53
,
53
through guide rail portions
54
,
54
provided to the wall members
53
,
53
such that the fiber connector members
55
are detachable in a sliding manner, hook means
56
for disposing the fiber connector members
55
between the wall members
53
and
53
, and releasing operation lever means
57
for releasing.
The fiber connector device
51
shown in
FIG. 11
is an example of an upper and lower two-level structure in which two fiber connector members
55
,
55
can be mounted to upper and lower portions. One fiber connector member
55
has two connector sockets
58
,
58
and connector plugs are respectively plugged in the connector sockets
58
,
58
from axially back sides of the connector sockets
58
,
58
to connect the fibers through the connector plugs. Therefore, in the structure example shown in
FIG. 11
, four fiber lines can be connected in one unit formed vertically. By laterally combining N units, it is possible to connect a large number of, i.e., 4×N fiber lines.
The prior-art fiber connector device
51
shown in
FIG. 11
is formed of the substrate
52
, the plurality of wall member
53
, the fiber connector members
55
, the hook means
56
, and the releasing operation lever means
57
and the hook means
56
is further formed of a hook member, a hook slider member, and a spring member. Therefore, the device
51
requires extremely many constituting members, which results in the great increase in manufacturing cost and complicated assembly and handling.
Moreover, in the prior-art fiber connector device
51
shown in
FIG. 11
, in operation of repairing a specific failed circuit in maintenance, a releasing operation for releasing the fiber connector member
55
of the specific failed circuit from the substrate and the wall member is extremely complicated.
DISCLOSURE OF THE INVENTION
Therefore, as described above, the present invention provides a structure of a junction terminal block mainly used for indoor junction and a mounting structure including a substrate for mounting the junction terminal block to a wall member and particularly to a junction terminal block formed of one molded body and a junction connecting device by which handling operability in detachably mounting the junction terminal block to the substrate and the wall member is improved.
To achieve the above object, the invention forms a junction connecting device for joining and connecting a large number of connected fiber lines to junction socket members through junction attachment plug members, the device comprising a large number of junction terminal blocks each having at least one socket member and being formed into an integral structure and junction terminal block arranging and supporting means for arranging and supporting the socket members through the junction terminal blocks along first and second direction lines in a matrix shape, wherein the first direction lines out of the respective direction lines of the junction terminal blocks can be moved and fixed to disposed fixed positions and maintenance positions one line at a time by a one-touch operation.
Furthermore, the invention forms a junction connecting device wherein the junction terminal block arranging and supporting means is formed of a substrate having a reference plane and a reference end face and a plurality of wall members standing at regular intervals on the reference plane of the substrate.
Furthermore, the invention forms a junction connecting device wherein the wall member is formed of a first face portion aligned with the reference plane of the substrate, a second face portion in contact with the reference end face of the substrate, and width-direction end faces for defining a pitch width dimension in an arranging direction of the wall members when adjacent wall members are in contact with each other in an adjoining direction.
Furthermore, the invention forms a junction connecting device wherein the wall member includes engaging supporting means having a third face portion orthogonal to the first face portion and positioning, fixing, and supporting the junction terminal block in the disposed fixed position and the maintenance position along the third face portion and guide means for sliding and guiding the junction terminal block from the disposed fixed position to the maintenance position.
Furthermore, the invention forms a junction connecting device for-joining and connecting a large number of connected fiber lines to junction socket members through junction attachment plug members, the device comprising a large number of junction terminal blocks each having at least one socket member and being formed into an integral structure and junction terminal block arranging and supporting means for arranging and supporting the socket members through the junction terminal blocks along first and second direction lines in a matrix shape, wherein the first direction lines out of the respective direction lines of the junction terminal blocks can be moved and fixed to disposed fixed positions and maintenance positions one line at a time by a one-touch operation, the junction terminal block arranging and supporting means is formed of a plurality of wall members standing at regular intervals, the wall member has engaging supporting means including first and second engaging portions for fixing and supporting the junction terminal block in the disposed fixed position and the maintenance position and guide means for sliding and guiding the junction terminal block from the disposed fixed position to the maintenance position, the junction terminal block is formed of a body portion for supporting the socket member, engaging/disengaging operating means connected for a seesaw motion to the body portion through an elastically deformed connecting portion and having a pressing operating portion on one end side and an engaging member to be eng
Meiyu-Giken Co., Ltd.
Nguyen Khiem
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