FIELD: transport.
SUBSTANCE: invention relates to height-adjusted supports 10 for semitrailers. Support comprises locked outer sleeve 13, inner sleeve 14 secured to nut of lead screw driven via gearbox shifting mechanism, and bevel gearing unit. Gearbox shifting mechanism has two shifting steps for alternating engagement. Note that power transfer after each said step is performed by separate stage of transmission with two bevel gears.
EFFECT: faster height adjustment.
20 cl, 10 dwg
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Authors
Dates
2012-07-20—Published
2007-08-07—Filed