1978-04-07
1979-02-20
Lutter, Frank W.
55480, 55493, 55385B, 55357, 98 215, B60H 306
Patent
active
041400470
ABSTRACT:
Mobile vehicles and the like having enclosed cabs such as tractors, combines and the like, are provided with air inlet means for the comfort of the operator. The air inlet means are provided with a readily removable filter element and means to support the same by an overhanging forward portion of the roof which extends beyond the windshield of the cab. The filter element is supported by a frame and includes means to raise and lower the frame respectively to support the filter element in upper, operative position and lower, removable position, insertion and removal of the same occurring through an opening adjacent one side edge of the roof of the cab and normally closed by a door, the entire removal occurring exteriorly of the interior of the cab.
REFERENCES:
patent: 1445732 (1923-02-01), Vonracek
patent: 1621770 (1927-03-01), Eckland
patent: 2172939 (1939-09-01), Lintern et al.
patent: 3393498 (1968-07-01), Schoen
patent: 3593503 (1971-07-01), Andrews
patent: 3844202 (1974-10-01), Ferguson
patent: 3868896 (1975-03-01), Doll et al.
patent: 4002443 (1977-01-01), Lorenz
Bowman Robert L.
Cozine Mark L.
Margerum Edwin O.
Just C. Hercus
Lacey David L.
Lutter Frank W.
Mitchell John B.
Seemar Frank A.
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