E - Fixed Constructions – 04 – H
Patent
E - Fixed Constructions
04
H
20/115
E04H 12/18 (2006.01)
Patent
CA 1130080
Abstract Pipes for a telescopic mast have at least three guide grooves along their entire length, with the exception of the inner pipe with the smallest cross-sectional area which may not have guide grooves. All pipes (2-4) except the pipe (1) intended to be the outermost one in the telescopic mast have guide blocks (11-13) attached to the lowermost portion of their outside, and all pipes (1-3) except the pipe (4) intended to be the innermost one in the telescopic mast have guide blocks (8-10) attached to the uppermost portion of their inside.
345036
Eklund Erik
Fetherstonhaugh & Co.
LandOfFree
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