![]() ![]() neither Nelson connector makes any connection to the side of the ridge beam the connection being solely to the top of the ridge beam.the other form encapsulates and is connected to both rafters but it is a larger and more complicated device which cannot be used for other purposes such as attaching lean-to-rafters to flat roof or vertical surfaces.the first form encapsulates and is connected to one rafter but is only connected to the rafter on the opposite side of the ridge board by a tongue which only attaches to the top face of the rafter.3,184,800 discloses two forms of rafter supports. F16B2200/503- Flanged connections the flange being separate from the elements to be connected.F16B2200/00- Constructional details of connections not covered for in other groups of this subclass.F16B9/058- Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member the intermediate member being secured to the rod by transverse fasteners.F16B9/052- Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member the intermediate member having a radial flange secured to the flat surface.F16B9/05- Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member.F16B9/00- Connections of rods or tubular parts to flat surfaces at an angle.NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES JOINTS OR JOINTING F16B- DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. ![]()
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