Wheel substitutes for land vehicles – Combined or convertible
Patent
1979-09-14
1981-04-21
Scherbel, David A.
Wheel substitutes for land vehicles
Combined or convertible
305 58R, 277 84, 277188R, F16J 1534, B62D 5520
Patent
active
042629705
ABSTRACT:
PCT No. PCT/US79/00724 Sec. 371 Date Sept. 14, 1979 Sec. 102(e) Date Sept. 14, 1979 PCT Filed Sept. 14, 1979
A seal assembly wherein a resilient seal (84) is disposed within an open annular recess (82) defined in a first member (56). A second member is disposed adjacent to and is deflectable toward and away from the recess (82) opening. Means (90) within the recess (82) and responsive to the spacing between the first (56) and second (74) members are effective to deflect the seal (84) of the first (56) and second (74) members over substantially the entire range of deflection of the members (56, 74).
REFERENCES:
patent: 2641381 (1953-06-01), Bertrand
patent: 2893797 (1959-07-01), Breuneke
patent: 3336086 (1967-08-01), Reinsma
patent: 3390922 (1968-07-01), Reinsma
patent: 3390923 (1968-07-01), Reinsma
patent: 4179130 (1979-12-01), Fass et al.
Caterpillar Tractor Co.
Scherbel David A.
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