F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/23
F16L 3/22 (2006.01) F16L 9/18 (2006.01)
Patent
CA 1194817
Trenchduct Side Member Extrusion Adapted for Multiple Positioning of Cover Plate Abstract A trenchduct (10) having an adjustable lid-supporting means (30, 40), the trenchduct (10) having either a bottom (14) or bottomless. The construction consists of metal side walls (12) each having an outward extending flange (18), adjuster bolts (22) mounted vertically upon the horizontally extending flanges (18), and galvanized steel Z-bar side members (30) having threaded openings (37) receiving the adjuster bolts (22) to support the Z-bar side members (30) in abutting relationship with vertical members (16) of the side walls (12). Aluminum side member extrusions (40) having diagonally opposed longitudinally extending slots (42, 43) are positioned upon and secured to the inwardly projecting flanges (34) of the Z-bar side members (30). The side member extrusions (40) have an interior pro- jection (41) for receiving resilient spring clips (100) attached to a cover plate (70) and cover plate hold down screws (60) are received in a longitudinally extending slot (42), so that a cover plate (70) may be secured at any position along the side member extrusions (40).
421905
Humber-Transweld Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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