Page:Cassells' Carpentry and Joinery.djvu/74

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56
CARPENTRY AND JOINERY.

Fig. 199.—Section of Tusk Tenon Joint.

Fig. 200.—Parts of Tusk-tenoned Joint.

Fig. 201—Wedged Tusk Tenon Joint.

timber. It is used in framed and doubled floors, for enabling short joists, such, as ceiling joists between the binders, to be got into place after the larger timbers are fixed, as shown in the illustration. The tusk tenon is shown by Figs. 199 to 201; struts tenoned into the heads of king- or queen-posts are shown by Figs. 202 to 204.

Toe Joints.—Simple toe joints are shown by Figs. 205 and 206, and a toe joint with tenon by Fig. 207.

Fig. 202.—Strut Tenoned into King- or Queen-Post.

Fig. 203.—Principal Rafter Tenoned into Queen-Post, Straining Beam Joggled into same.

Fig. 204.—Principal Rafters Tenoned into King-Post.

Fig. 205.—Toe Joint between Principal Rafter and Strut.

Fig. 206.—Toe Joint between Vertical Post and Strut.

Gantry Strut Joints.—Bird's-mouth and mitred butt joints for a gantry strut are shown by Figs. 208 and 209 respectively.