Connector for a single strut mine roof truss
FIG. 1 is a bottom, front isometric view of a connector for a single strut mine roof truss showing my new design;
FIG. 2 is a bottom, rear isometric view thereof;
FIG. 3 is a left end elevational view thereof;
FIG. 4 is a right end elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front elevational view thereof; and
FIG. 8 is a sectional view taken in the direction of the arrows on line 8--8 of FIG. 1.
U.S. Patent Documents
|D275452||September 11, 1984||Payne|
|4395161||July 26, 1983||Wilson et al.|
|4456405||June 26, 1984||Galis|
|4498816||February 12, 1985||Korpela et al.|
- Design of Supports in Mines by Cemal Biron et al., [pp. 105, 119, 421]. Double Bolt Truss, from F. M. Locotos Co., Inc., [one page]. Current Trends . . . , by C. P. Mangelsdorf, [pp. 108, 110]. Mine Roof Truss System, from Hansen Corp., [one page]. Page 17 of Unidentified Article--Comprising Figures 8 and 9. Pattin Truss System advertisement.