Abstract: A force damper arranged to progressively arrest a first force imparted by an object moving in a first direction is disclosed. The force damper includes a housing enclosure having a first housing end and a second housing end. The first housing end includes a first connection point, and the second housing end includes an opening. A driving member is disposed within the housing enclosure and includes a first shaft end, a second shaft end, and a shaft therebetween. The first shaft end includes a stop and the second shaft end includes a second connection point. A compressible member is disposed within the housing enclosure between the stop and the opening. The compressible member is formed from a material that at least partially undergoes plastic deformation when the first force is arrested and imparts a second force on the stop toward first housing end.

Abstract: A force damper arranged to progressively arrest a first force imparted by an object moving in a first direction is disclosed. The force damper includes a housing enclosure having a first housing end and a second housing end. The first housing end includes a first connection point, and the second housing end includes an opening. A driving member is disposed within the housing enclosure and includes a first shaft end, a second shaft end, and a shaft therebetween. The first shaft end includes a stop and the second shaft end includes a second connection point. A compressible member is disposed within the housing enclosure between the stop and the opening. The compressible member is formed from a material that at least partially undergoes plastic deformation when the first force is arrested and imparts a second force on the stop toward first housing end.

Abstract: A force damper arranged to progressively arrest a first force imparted by an object moving in a first direction, the force damper including a housing, a driving member and first and second resilient members. The housing includes a first end and a second end, the first end having a first surface, a second surface opposite the first surface and a first connection point secured to the first surface, and the second end having a through bore and a third surface opposingly disposed relative to the second surface. The driving member includes a first end, a second end and a shaft therebetween, the first end having a stop and the second end having a second connection point. At least one of the first and second resilient members is formed from a material that at least partially undergoes plastic deformation when the first force is arrested. The first and second resilient members are disposed between the stop and the third surface and impart a second force on the stop toward the second surface.

Abstract: A stanchion holder for a rooftop safety rail system comprises a clamp having a first stanchion sleeve fixed thereto and an L-shaped adapter having a second stanchion sleeve, whereby a stanchion can be directly inserted into the first stanchion sleeve to extend in a direction orthogonal to a clamping direction of the clamp, or alternatively a male portion of the adapter can be received by the first stanchion sleeve and a stanchion can be inserted into the second stanchion sleeve to extend in a direction parallel to the clamping direction. The stanchion holder of the present invention can be installed either on a parapet or an overhanging ledge rooftop perimeter.

Abstract: A stanchion holder for a rooftop safety rail system comprises a clamp having a first stanchion sleeve fixed thereto and an L-shaped adapter having a second stanchion sleeve, whereby a stanchion can be directly inserted into the first stanchion sleeve to extend in a direction orthogonal to a clamping direction of the clamp, or alternatively a male portion of the adapter can be received by the first stanchion sleeve and a stanchion can be inserted into the second stanchion sleeve to extend in a direction parallel to the clamping direction. The stanchion holder of the present invention can be installed either on a parapet or an overhanging ledge rooftop perimeter.

Abstract: A safety rail system for installation about the perimeter of a rooftop work site comprises a plurality of stanchion-supporting bases for attachment to existing building structure, a plurality of stanchions removably held by the bases and having cable-receiving links thereon, and a pair of wire rope cable safety rails supplied by a pair of winches fixed to at least one of the stanchions. The bases include a pair of plate members connected by a hinge for adjustable attachment to a vertical wall surface of the building and another structural surface forming an edge with the vertical wall surface. A vertically extending sleeve is fixed to the plate member which attaches to the vertical wall surface of the building for slidably receiving a bottom portion of a stanchion, and a transversely extending locking pin is used to retain the bottom portion of the stanchion within the sleeve.