Land vehicles – Wheeled – Extensible
Patent
1990-03-14
1991-01-22
Mitchell, David M.
Land vehicles
Wheeled
Extensible
280650, 280 474, 297374, B62B 912
Patent
active
049865641
ABSTRACT:
An adjustable mechanism is provided for adjusting a seat back of a stroller which has two vertical posts. The adustable mechanism includes a stop disposed on each vertical post, a sleeve, and a button insertable into the sleeve. the vertical post and the stop are slidably received in the sleeve and the button. A spring element viases the button forward to engage with the stop so that the sleeve can not move downwrad. The sleeve is freely movable downwards along the vertical post when the button is slightly depressed against the spring element.
REFERENCES:
patent: 2845994 (1958-08-01), Thompson
patent: 4007947 (1977-02-01), Perego
patent: 4111454 (1978-09-01), Kassai
patent: 4714292 (1987-12-01), Kassai
patent: 4805928 (1989-02-01), Nakao et al.
Johnson Brian L.
Klein David I.
Mitchell David M.
Rosenberg Morton J.
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