Page 64 - Wire Rope News & Sling Technology - February 2019
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INVENTOR’S CORNER
         continued from previous page                         straining cables. Fixed bar 112 holds separate retainers 510
         example, a first threshold point for a first moving bar may be   and 512. In the embodiment of figure 9, the left retainer 510
         located one-third of the way down from the top of the track,   is positioned to retain hoisting cables 120 when the car 102
         and a second threshold point may be located two-thirds of   is above the fixed bar 112, and the right retainer 512 is po-
         the way down from the top of the track.              sitioned to retain the electrical cable 122 when the car 102
           Figure 7 is a perspective view of a movable cable constraint   is above the fixed bar 112. Fixed bar 112 is supported by
         bar in its cradle when the cradle is at the threshold point.   brace 500 which is fixed to platform 104. However, the fixed
         Pin attachments 206 and 208 are fixed relative to the eleva-  bar may be supported by any means that hold the bar fixed
         tor track, and effectively define the threshold point. As the   relative to the elevator track, for example by any other fixed
         hoisting cables 120 lower the car 102, the pins 202 and 204   structures inside an elevator shaft, such as the walls of the
         are inserted into the pinholes 216 and 218 at the threshold   shaft. Hoisting cables 120 and electrical cable 122 emerge
         point. When the car 102 is exactly at the threshold point,   out of the back side of the elevator car 102. Electrical cable
                                                              122 terminates somewhere inside car 102, while hoisting ca-
                                                              bles 120 pass through a conduit 530 into car 102 and emerge
                                                              out the top of car 102 as depicted in figure 5. Deflectors 520
                                                              and 522 aligned immediately above or below retainers 510
                                                              and  512,  respectively, when  car  102  is  near  the  fixed  bar
                                                              112, while the back side of the car 102 passes next to and
                                                              near retainers 510 and 512. Deflectors 520 and 522 protect
                                                              cables 120 and 122 as the car 102 passes by the retainers
                                                              510 and 512.

                                                              Forestry Winch
                                                              Pat. 10,118,807 U.S. class B66D 1/20 Int. class B66D 1/20
                                                              Inventor: Glen Raymond Simula, Hancock MI., David Jon
                                                              McKinstry, Calumet, MI.
                                                              Assignee: GSE TECHNOLOGIES, LLC., Houghton, MI.
                                                               This patent presents a winch system 10 coupled to a pro-
                                                              cessor energy source 12 having one or more processor driv-
         Figure 8: Perspective view of a movable cable constraint bar out of its   ing rollers 14. The processor 12 provides energy to the winch
         cradle when the cradle is below the constraint point.  system 10. Multiple driven winch drive rollers 32 are sup-
                                                              ported by the body 18. A horizontally-oriented winch drum
         the bar 110 remains in its cradles 212 and 214, and pin 202   36 is attached to the body 18. A drum gear 38 in commu-
         and 204 are also in the pinholes 216 and 218. As the car 102   nication with the driven rollers 32 and the winch drum 38
         moves any lower along the track, the pins 202 and 204 hold   transfers rotational energy about the vertical axis from the
         the bar 110 fixed along the track while the car can continue   processor driving rollers 14 to rotational energy about the
         to move lower. Figure 8 is a perspective view of a movable   axis of rotation of the winch drum 38. Attached to the winch
         cable constraint bar out of its cradle when the cradle is be-  drum is a cable 40 having a proximal end 42 region and a
         low the threshold point. Retainer 210 provides a constraint   distal end region that is detachably attachable to an object
         on the cables 120 when the car is below the threshold point   46 to be retrieved by the winch system.
         as the movable bar 110 remains fixed on the pins 202 and   A winch system 10 (figures 10-14) is coupled to a processor
         204. In addition to pins and pinholes, other mechanisms for   energy source 12 having one or more processor driving roll-
         holding bar 110 at the threshold point are possible.   ers 14 and optionally crab claw-like knives 16. The processor
           In addition to, or instead of, the moving retainers attached
         to movable bar 110, retainers can be permanently fixed rela-
         tive to the elevator track. Figure 9 is a perspective view of
         a  fixed  bar  with  two  cable  constraint  channels  while  con-























         Figure 9: Perspective view of a fixed bar with two cable constraint
         channels while constraining cables.                  Figure 10: Quartering perspective view of a winch system.

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