Land vehicles – Wheeled – Nesting vehicles
Patent
1993-11-26
1994-12-06
Tyson, Karin L.
Land vehicles
Wheeled
Nesting vehicles
280642, 280 4738, 188 20, B62B 908
Patent
active
053704088
ABSTRACT:
An improved brake system for wheeled baby carriers, including baby strollers and baby carriages, whereby when the carrier is at rest and not being pushed by an attendant person, the wheels of the carrier are automatically locked so that accidental rolling movement thereof is inhibited. In accordance with the invention the push handle of the carrier has associated therewith a brake release handle or bar which is interconnected by a brake release cable to a brake shift bar mechanically connected to the brake levers associated with the rear wheels of the carrier. The brake shift bar is resiliently biased by one or more biasing elastic bands or springs to a position which causes the brake levers to normally lock the rear wheels against rotation. When the carrier attendant desires to push the carrier the brake release handle or bar is moved to a wheel unlock position proximate the push handle by hand gripping force of the attendant with the result that the release cable moves the brake shift bar, and connected brake levers, in opposition to the biasing bands or springs, to their wheel unlocked position. Upon freeing the brake release handle or bar from the hand gripping force of the carrier attendant such handle or bar is returned to its wheel lock position by the biasing force of the biasing bands or springs and the brake levers are moved by the brake shift bar to their wheel locked position to prevent accidental movement of the carrier.
REFERENCES:
patent: 2425574 (1947-08-01), Stewack
patent: 3370841 (1968-02-01), Werner et al.
patent: 4116464 (1978-09-01), Haley
patent: 4618033 (1986-10-01), Kassai
Boehler Anne Marie
Junkins Philip D.
Tyson Karin L.
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