Patent ID: 7370877
Filing Date: 2008-05-13
Classification: B62B,F16B,Y10T

Abstract:
1. A locking device for a telescopic stem for a trolley, wherein the stem comprises an inner stem connected to a first handle, which may glide within an outer stem, a second handle at the upper end of the inner stem for controlling the locking of the inner stem in relation to the outer stem, the second handle connected to a rod running through the inner stem, wherein a toothed friction element is arranged in the outer stem and that the inner stem is equipped with a toothed blocking element locking into the friction element and preventing movement of the inner stem in relation to the outer stem when the blocking element is pressed into the toothed friction element by a conical groove of a housing connected to the rod influencing the position of the housing, the second handle being configured to actuate positioning of the housing when pivoted around an axis.