Page 62 - Wire Rope News & Sling Technology - April 2019
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INVENTOR’S CORNER
         continued from previous page                         system 102b, and also includes a latch bolt 112 that is con-
         through, as well as beyond, the conduit system, and be con-  figured to be displaced between an extended, locked and a
         nected to end fittings and/or connectors that can be used to   retracted, unlocked position. When in the extended, locked
         transmit a pulling force to and/or from one or more compo-  position, the latch bolts 112 of the top and bottom latch as-
         nents. In some embodiments, the conduit system can include   semblies 104a, 104b may extend into mating recesses in an
         an inner conduit telescopically coupled to an outer conduit   adjacent structure, such as, for example, an adjacent recess
         such that the axial length of the conduit system is adjust-  in a door frame, wall, and/or floor, among other structures,
         able. Further, the relative axial positions of the inner and   so as to at least assist in locking or otherwise retaining the
         outer conduits may be retained by activation of a conduit   entryway device 106 in a closed position. Various different
         locking device.                                      types of latch assemblies 104a, 104b can be employed for
           Figure 11 illustrates a front perspective view of an exit de-  the top and/or bottom latch assemblies 104a, 104b. Addi-
         vice 100, cable system 102, and latch mechanisms or assem-  tionally, the top and bottom latch assemblies  104a,  104b
         blies 104a, 104b that are operably connected to an entryway   can be the same type of latch assembly, or may be different
                                                              types of latch assemblies.
                                                               According to some embodiments, when the entryway de-
                                                              vice 106 is to be displaced from the closed position to an open
                                                              position, the push bar 110 can be displaced, such as, for ex-
                                                              ample, by linearly depressing the push bar by a user, which
                                                              may in turn be translated into axial displacement of at least
                                                              a portion of the cable systems 102a, 102b in a manner that
                                                              may exert  a pulling  force  on  the  latch  assemblies  104a,
                                                              104b. Moreover, such axial displacement of at least a por-
                                                              tion of the cable systems 102a, 102b, such as, for example,
                                                              axial displacement of at least a core wire of the cable sys-
                                                              tems 102a, 102b, can be translated to an axial pulling force
                                                              being exerting on the latches 112 and/or latch assemblies
                                                              104a, 104b that is used to displace the latch bolts 112 from
                                                              extended, locked positions to retracted, unlocked positions.
                                                               At least a portion of the exit device  100, cable system(s)
                                                              102a, 102b, and latch assemblies 104a, 104b may be posi-
                                                              tioned and/or concealed within an interior region 114 of the
                                                              entryway device 106, such as, for example, in one or more cav-
                                                              ities or channels located in the entryway device 106. For ex-
                                                              ample, referencing figure 11, according to some embodiments,
                                                              at least a portion of each cable system 102a, 102b may extend
                                                              along a channel, cavity, or void 115, among or other areas,
                                                              within the interior region 114 of the entryway device 106.
                                                               For purposes of clarity, figures 12 and 13 depict side views
                                                              of opposite portions of an exemplary cable system 102 ac-
         Figure 11: Front perspective view of an exit device, cable system, and latch   cording to an illustrated embodiment of the present inven-
         assemblies that are operably connected to an entryway device.  tion.  As illustrated, the exemplary cable system  102 in-


         device 106, such as, for example, a door or gate, according to
         an embodiment of the present invention. The entryway de-
         vice 106 may be constructed from a variety of different ma-
         terials, including, for example, metal, wood, and composites,
         among other materials. The entryway device 106 includes
         at least two opposite edges, such as, for example, a top edge
         108a and a bottom edge 108b. According to some embodi-  Figure 13: Second partial side view of opposite portions of an
         ments, the exit device 100 may include a push bar 110 that   exemplary cable system.
         is coupled to the top and bottom latch assemblies 104a, 104b
         by one or more cable systems 102a, 102b. In the illustrated   cludes a conduit system 103 which can comprise a plurality
         embodiment, the top latch assembly 104a is connected to a   of conduits 116, 118. For example, the conduit system 103
         first cable system 102a, and includes a latch bolt 112 that is   depicted in figures 12-14 can include a first, outer conduit
         configured to be displaced between an extended, locked posi-  116, and a second, inner conduit 118. However, according
         tion and a retracted, unlocked position. Similarly, when the   to other embodiments, the conduit system can include more
         bottom latch assembly 104b is connected to a second cable   than two conduits 116, 118. The cable system 102 may also
                                                              include a core wire 120, a conduit locking device 122, and an
                                                              end fitting adapter 124. As shown by at least figure 15, the
                                                              outer conduit 116 includes a first wall 126 having an outer
                                                              surface 128 and an inner surface 130, and extends from a
                                                              first end 132 to a second end 134 of the outer conduit 116.
                                                              Further, the inner surface 130 of the first wall 126 generally
                                                              defines an outer aperture 136 of the outer conduit 116 that
         Figure 12: Partial side view of opposite portions of an exemplary cable   is sized for a telescoping or coaxial sliding relationship with
         system.
                                                              at least a portion of the inner conduit 118 along at least a
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