Patents Assigned to SINCO, Incorporated
  • Shock absorber for safety cable system
    Patent number: 5332071
    Abstract: A shock absorber which is especially adapted for use in conjunction with a horizontal safety cable plasticly deforms under the impact load of a falling worker. The shock absorber has a break away housing so that upon inspection, the shock can be identified if it has been subjected to an impact. The absorber is also configured to impart a tautness to the safety cable and visually indicate the attainment of the preferred cable pre-tension force.
    Type: Grant
    Filed: March 9, 1993
    Date of Patent: July 26, 1994
    Assignee: SINCO Incorporated
    Inventor: Charles W. Duncan
  • Safety net support system
    Patent number: 5299654
    Abstract: A horizontal safety net support system which is especially adaptable for high-rise building renovation projects employs a collapsable wind brace and a retractable support arm section. The wind brace includes a pair of restraining tubes which are pivotally connected and are maintained in a linear configuration under the force of a spring. A pre-established force applied to the wind brace will result in the wind brace folding to a collapsed position to permit erection of the support arm for cleaning or installation purposes.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: April 5, 1994
    Assignee: Sinco Incorporated
    Inventor: Charles W. Duncan
  • Containment system
    Patent number: 5197239
    Abstract: A containment system employs a pair of spaced webs and a cord which is laced through grommets mounted to the webs for adjusting the effective dimensions of the containment panels at the work site. Panels are connectable in end-to-end fashion wherein a panel flap extends between the panels with each of the panels being fastened to a support cable, so that there is no containment gap between panels of the containment system.
    Type: Grant
    Filed: May 14, 1991
    Date of Patent: March 30, 1993
    Assignee: SINCO Incorporated
    Inventors: William T. Glynn, John Rexroad, David S. Denny
  • Portable safety rail system
    Patent number: 5188342
    Abstract: A safety rail system of roof edge protection employing support base units which include shoes for an upright post and a cantilever counterweight connector. The base units also include a toeboard saddle. The system components incorporate a number of releasably threaded lock pins and inspection ports to facilitate assembly.
    Type: Grant
    Filed: January 15, 1992
    Date of Patent: February 23, 1993
    Assignee: SINCO Incorporated
    Inventors: Kevin D. Ouellette, John Rexroad
  • Retractable pallet rack guard
    Patent number: 5170829
    Abstract: A rack guard for a pallet rack employs a retractable safety net. The net is clipped to carriers which traverse along vertical tracks offset from the pallet rack. The tracks are pivotally mounted with respect to the pallet rack to permit pivotal displacement of the tracks to a position adjacent the support posts of the rack.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: December 15, 1992
    Assignee: Sinco Incorporated
    Inventors: Charles W. Duncan, John F. Starr, John B. Ebbesmeyer, Barry A. Cole
  • Portable handrail counter-weight system
    Patent number: 5145153
    Abstract: A modular portable handrail system employs cantilever arm/counter-weight anchor assemblies. Bases attach to opposing ends of the cantilever arms. A pail-like receptacle is receivable on one of the bases and interlockable with the base. The receptacle is filled with water, sand or other material to provide the counter-weight mass.
    Type: Grant
    Filed: February 5, 1991
    Date of Patent: September 8, 1992
    Assignee: Sinco Incorporated
    Inventor: William Glynn
  • Roof lifeline safety system and anchor assembly therefor
    Patent number: 5143171
    Abstract: A lifeline safety system for a pitched roof employs a frame for mounting a lifeline system above the peak of the roof. Shoulders extend from the frame and engage opposing sides of the roof. An anchor comprising a generally J-shaped bolt secures the bracket assembly to the roof. The bolt has a hook which engages the underside of the rafter. A nut has a pair of arms for torquing the nut to the bolt. In one embodiment, two roof mounting pods are pivotally mounted to a shoe which receives a retractable lifeline housing.
    Type: Grant
    Filed: February 5, 1991
    Date of Patent: September 1, 1992
    Assignee: SINCO Incorporated
    Inventors: William Glynn, John Rexroad, David S. Denny
  • Roof lifeline safety system and anchor assembly therefor
    Patent number: 5054576
    Abstract: A lifeline safety system for a pitched roof employs a frame for mounting a lifeline system above the peak of the roof. Shoulders extend from the frame and engage opposing sides of the roof. An anchor comprising a generally J-shaped bolt secures the bracket assembly to the roof. The bolt has a hook which engages the underside of the rafter. A nut has a pair of arms for torquing the nut to the bolt.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: October 8, 1991
    Assignee: SINCO, Incorporated
    Inventor: William D. Glynn
  • Shock absorbing safety net
    Patent number: 4982813
    Abstract: A shock absorbing safety net includes diamond mesh netting which is attached to a perimeter rope. In one embodiment, groups of diamond points or peripheral diamond mesh arrays are alternately lashed and laced to the perimeter rope. The laced diamond meshes are disposed in the vicinity of snap hooks employed to attach the safety net to the support cable or mounting frame.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: January 8, 1991
    Assignee: SINCO, Incorporated
    Inventor: John F. Starr