Handle adjustment mechanism

Chairs and seats – With handle – For nonoccupant use

Patent

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Details

2971834, 2972501, A47C 452

Patent

active

059714760

ABSTRACT:
A handle adjustment mechanism for an infant car seat includes a pair of symmetrically similar, axially aligned, hollow first cylinders positioned on each side of an infant carrier and at respective handle arms. The first cylinders have a common axis coextensive with the axis of rotation and formed with a circumferential slot adjacent to the lower ends of the arms of the carrier. A pair of reduced second cylinders integrally formed on the infant carrier on the opposite sides thereof are located within the first cylinders. The second cylinders have a common central axis coincident with the axis of rotation for rotation movement of the first cylinder and arms therearound. The exterior surface of each second cylinder are formed with a plurality of radial recesses. A pair of releasable locking mechanisms are provided, each locking mechanism including a plate with a pivot pin rotatably securing the plate interior of an associated arm, a finger extending downwardly through the slot and positionable into a preselected recess in the second cylinder, and a spring having opposes surfaces in contact between a surface of the plate and an adjacent wall of an arm. Each of the plates has an exposed actuation surface, the depression of which will pivot the plate about its axis against the urging of the spring.

REFERENCES:
patent: 4634177 (1987-01-01), Meeker
patent: 4688850 (1987-08-01), Brownlie et al.
patent: 5409292 (1995-04-01), Kain et al.
patent: 5516190 (1996-05-01), Kain et al.
patent: 5658044 (1997-08-01), Krevh

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