Land vehicles – Wheeled – Running gear
Patent
1994-12-07
1996-04-09
Focarino, Margaret A.
Land vehicles
Wheeled
Running gear
180 2402, B62D 3308
Patent
active
055054757
ABSTRACT:
An apparatus which is attachable to and operable for unlocking existing, adjustable suspension systems. The apparatus comprises: a housing; a securing member for securing the housing on a suspension system actuating member; a spring member positioned in the housing and having a secured first end such that the first end of the spring is prevented from rotating in the housing; and a tensioning member associated with a second end of the spring. The tensioning member includes a tensioning member arm such that, by pivoting the tensioning member arm to a tensioning position with respect to the housing, the second end of the spring rotates with respect to the first end of the spring whereby the spring is tensioned. When the housing of the apparatus is secured on a suspension system actuating member and the tensioning arm is pivoted to its tensioning position, the apparatus will impart a force to the actuating member such that the suspension system locking member(s) is/are thereby urged to move to unlocked position.
REFERENCES:
patent: 1179115 (1916-04-01), LaVake
patent: 2589678 (1952-03-01), De Lay
patent: 2818272 (1957-12-01), De Lay
patent: 2835504 (1958-05-01), Acker
patent: 2839311 (1958-06-01), Locker
patent: 2900194 (1959-08-01), De Lay
patent: 3778079 (1973-12-01), Vornberger et al.
patent: 4286797 (1981-09-01), Mekosh et al.
patent: 4635742 (1987-01-01), Bertolini
patent: 4838566 (1989-06-01), Baxter et al.
patent: 4838578 (1989-06-01), Baxter
patent: 4944522 (1990-07-01), Hart
patent: 5346233 (1994-09-01), Moser
A photograph showing a spring-loaded sliding tandem suspension system.
Dickson Paul N.
Focarino Margaret A.
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