FIELD: civil engineering. SUBSTANCE: small size sectional enclosure has movable section 1 and stationary section 2. Movable section 1 is may be turned and moved about stationary section 2. Enclosure has a jig to stop movable section 1 in cantilever position. The above stop jig includes at least one crankhandle 4 hinged to movable section and stationary part of the enclosure. Crankhandle 4 may be turned about hinge axle. The jig is provided with hinge bearings connecting movable and immovable sections made in the form of slide bars, or yokes, or connecting rods. EFFECT: small size. 2 cl, 6 dwg
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LIFTING SCAFFOLD | 0 |
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SU655797A1 |
Authors
Dates
1996-04-10—Published
1993-12-24—Filed