A mounting clip with a locking feature. The mounting clip is preferably utilized as part of a fencing system, in which the clip is attached to a fence rail and a hollow fence picket is slidably fastened to the rail using the clip. The clip features tabs that operate to lock the picket to the rail su
A mounting clip with a locking feature. The mounting clip is preferably utilized as part of a fencing system, in which the clip is attached to a fence rail and a hollow fence picket is slidably fastened to the rail using the clip. The clip features tabs that operate to lock the picket to the rail such that detachment of the picket from the rail is inhibited by an interference fit.
대표청구항▼
A mounting clip with a locking feature. The mounting clip is preferably utilized as part of a fencing system, in which the clip is attached to a fence rail and a hollow fence picket is slidably fastened to the rail using the clip. The clip features tabs that operate to lock the picket to the rail su
A mounting clip with a locking feature. The mounting clip is preferably utilized as part of a fencing system, in which the clip is attached to a fence rail and a hollow fence picket is slidably fastened to the rail using the clip. The clip features tabs that operate to lock the picket to the rail such that detachment of the picket from the rail is inhibited by an interference fit. ame includes a substantially circular frame member and the multiple guide wheels defining the guide loop are mounted on the circular frame member. 7. The cable coiling apparatus according to claim 5, wherein the guide wheels of each pair are separable to allow initial placement and loading of the length of cable along the guide loop. 8. The cable coiling apparatus according to claim 5, wherein the coiling basket has a coiling radius and the radius of curvature of the guide loop is substantially equal to the coiling radius. 9. The cable coiling apparatus according to claim 5, wherein the coiling basket has a coiling radius and the extended portion of the fixed guide arm is curved so that the multiple pairs of guide wheels mounted on the curved arm portion define a curved guide loop having a radius of curvature that is substantially equal to the coiling radius. 10. A cable installation apparatus comprising, in combination: a cable coiling apparatus for storing a length of cable to be installed in a duct; a cable insertion unit including mechanically driven means for pulling the cable from the coiling apparatus and pushing the cable into the duct; and a cable straightener assembly disposed between the cable coiling apparatus and the cable insertion unit, the cable straightener assembly including a first set of serially adjacent straightener rollers disposed along a first path of cable advance and a second set of serially adjacent straightener rollers disposed along a second path of cable advance, the serially adjacent rollers of the first set and the serially adjacent rollers of the second set subjecting the cable to a series of oppositely directed bendings in a first plane and then subjecting the cable to a series of oppositely directed bendings in a second plane as the cable advances toward the duct. 11. The cable installation apparatus according to claim 10, and further including apparatus forming a guide loop of about one turn disposed between the cable coiling apparatus and the cable straightener assembly. 12. The cable installation apparatus according to claim 11, wherein the guide loop apparatus comprises a tubular duct having a first open end and a second open end through which the cable to be laid is extended, and the tubular duct is arranged along a curved path. 13. The cable installation apparatus according to claim 10, wherein the cable coiling apparatus includes a curved frame member and the guide loop apparatus comprises multiple pairs of guide wheels mounted on the curved frame member. 14. The cable installation apparatus according to claim 10, wherein the guide wheels constrain the cable to follow along a cable guide path having a radius of curvature that is substantially equal to the coiling radius of the cable coiling apparatus. 15. A cable coiling apparatus comprising a frame, a coiling basket mounted on the frame, a fixed guide arm mounted on the frame, a spinning guide arm mounted for rotation on the frame and multiple pairs of guide wheels mounted on the fixed guide arm and on the spinning guide arm for engaging a length of cable and guiding the cable during cable coiling and uncoiling operations, and cable guide apparatus forming a guide loop of about one turn disposed adjacent the frame, wherein the cable guide loop apparatus comprises a tubular duct having a first open end and a second open end through which the cable is fed during a coiling operation and through which the cable is advanced during an uncoiling operation. 16. An apparatus for installing a length of cable in a duct comprising, in combination: a cable storage apparatus for supplying a length of cable to be installed; a cable insertion unit including mechanically driven means for pulling the cable from the cable storage apparatus and pushing the cable into the duct; a cable straightener unit disposed for engagement with the cable for reducing bends in the cable as the cable advances toward the duct, the cable straightener unit inc luding first means engagable with the cable for subjecting the cable to a series of oppositely directed bendings in a first plane as the cable advances toward the duct; and second means engagable with the cable for subjecting the cable to a series of oppositely directed bendings in a second plane as the cable advances toward the duct. 17. The cable installation apparatus as set forth in claim 16, wherein the cable insertion unit comprises a source of pressurized air for propelling the cable through the duct at least in part by pressurized air blowing-assisted transport. 18. The cable installation apparatus as set forth in claim 16, wherein the cable insertion unit comprises: mechanically driven wheels for pulling the cable from the coiling apparatus and pushing the cable into the duct; and a source of pressurized fluid for propelling the cable through the duct at least in part by pressurized fluid-assisted transport. 19. The cable installation apparatus as set forth in claim 16, wherein the cable insertion unit comprises: mechanically driven tractor treads for pulling the cable from the coiling apparatus and pushing the cable into the duct; and a source of pressurized air for propelling the cable through the duct at least in part by pressurized air blowing-assisted transport. 20. An apparatus for installing a cable in a duct comprising, in combination: a cable insertion unit for introducing a cable into a duct; a straightener unit disposed for engagement with the cable for reducing bends in the cable as the cable advances toward the duct, the straightener unit including a first set of straightener rollers engagable with the cable for subjecting the cable to a series of oppositely directed bendings in a first plane as the cable advances toward the duct; and a second set of straightener rollers engagable with the cable for subjecting the cable to a series of oppositely directed bendings in a second plane as the cable advances toward the duct. al portion thereof to receive a lower portion of a post of another support and at least one pulling device mounted on the base; an upstanding post extending from the base, the post being located substantially centrally of the base, an upper end portion of the post being adapted to support at least one barrier device; and wherein the support is constructed so that a plurality of identical supports can be stacked in a nesting arrangement with one another to enable the support or plurality of stacked supports to be wheeled from one location to another. 10. A support for a queue management system as set forth in claim 9 in which the recess comprises a tongue in a bottom portion of the recess and a groove in the lower portion of the post with a profile matching that of the tongue for connection with the hook-like tongue of another support. 11. The support for a queue management system as set forth in claim 9 in which the base comprises a cast-iron base coated with a non-scuff, textured paint. 12. The support for a queue management system as set forth in claim 9 in which the base comprises cast-iron base coated with rubber. 13. A support for a queue management system as set forth in claim 9 in which the pulling device comprises a roller mounted on the base diametrically opposite the recess, the location of the roller being such that when the support is tilted, the support or a stack of supports can be pushed or pulled around. 14. A support for a queue management system as set forth in claim 9 in which the post is hollow and comprises a cassette accepted within the post, the cassette comprising a spring loaded length of webbing which can be pulled out from the cassette against the load of the spring for connection to an anchorage point. 15. A support for a queue management system as set forth in claim 9 in which the base is formed separately from the upstanding post and is attached to a lower part of the post.
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