Racing Strollers, Inc.

Michael F Arnold

Joseph P Delorme

Philip A Baechler

Christopher J Durnbaugh

Baby stroller conversion unit

A foldable all-terrain baby stroller with an economical construction. The stroller has a tubular rear axle having left and right wheels mounted thereto and left and right laterally spaced-apart base frame members. The base frame members have flat forward end portions with a notch therein to receive the axle of a front wheel and flat rearward end portions with a hole therein sized to rotatably receive the rear axle. A spacer tube is coaxially mounted on the rear axle between the rearward portions of the base frame members to prevent inward movement thereof. Left and right upright frame members each have a lower end welded directly to the rear axle laterally outward of the rearward end portions of the corresponding left and right base frame members to prevent laterally outward movement thereof on the rear axle. Left and right inclined upper frame members are pivotally attached to the upper end portions of the corresponding upright frame members and have forward end portions which are rigidly connected together to move as a unit by an attachment member extending therebetween. A coupler is attached to the base frame members and has an upper plate and a lower plate spaced apart to define a substantially unobstructed receiver opening therebetween sized to releasably receive therein the forward end portions of the upper frame members and the attachment member. A lock pin is received within holes in the upper and lower coupler plates and the attachment member to releasably secure the forward end portions of the upper frame members in the receiver opening.

Baby stroller

An assembly for converting a three-wheeled baby stroller to a two-wheeled bicycle trailer configuration. The conversion assembly includes an upper frame attachment attached to the upper stroller frame. Left and right support members are connected to a forward portion of the upper frame attachment and extend downward and each have at a lower end thereof an axle extension assembly. This assembly is positioned between the end of the stroller rear axle and the stroller rear wheel to extend the rear wheel base of the stroller to provide increased stability. A tow arm assembly extends from a forward end of the upper frame attachment and at a forward end thereof carries a hitch which clamps to the seatpost of a bicycle. An elongated baseplate is positioned at the forward end of the stroller lower frame and securely clamped thereto. Left and right side suspension members are attached at an upper end to the tow-arm assembly and at a lower end to the baseplate and support the front end of the stroller frame when the front wheel thereof is removed. The baseplate further serves as a carrier for the removed front wheel. The base plate has a connector positioned forward of the stroller connectors which receive the lower ends of the stroller upper frame tubes. With the lower ends of the stroller upper frame tubes moved forward into the baseplate connector, the center of gravity of the stroller seat is moved forward and is lowered to provide increased stability. The left and right side suspension members also serve to transmit lifting forces produced on the rear wheels of the stroller to the seatpost of the bicycle so that the weight of the rider on the bicycle counters the lifting force to inhibit tipping and rolling.

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Yakima, WA, United States of America

Michael F Arnold