| 摘要 |
Mechanism for infinite (step-less) linear adjustment where internal self-wedging forces between guide bar and arms located in the body of mechanism will always increase proportionally to the active forces trying to change position of the guiding bar relatively to arms and the body and are used as counteraction forces that will sustain these active forces, and will keep position of the guiding bar of the mechanism steady and immovable. Heavy-duty Mechanism for infinite linear adjustment, based on the same idea, where special self- alignment elements located inside self-wedged arms are used to avoid high contact stress between contacting surfaces of guiding bar and self- wedged arms Features of these mechanisms: step-less linear adjustment at any position of adjustment stroke, high load characteristic, simplicity, durability and reliability allow creating, very simple, durable, and reliable mechanisms for manual adjustment of a car seat.
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