Wheel substitutes for land vehicles – Combined or convertible
Patent
1993-12-16
1995-02-21
Stormer, Russell D.
Wheel substitutes for land vehicles
Combined or convertible
305 14, 277 92, B62D 55088
Patent
active
053909976
ABSTRACT:
An end face sealing assembly device (S.sub.2) comprises a seal ring (15) having an approximately parallelogrammatic cross section so that an annular lip (15c) contacts a bushing end face (4a); a support ring (14) having an approximately L-shaped cross section formed by an axial direction side member (14a) and a radial direction side member (14b), the seal ring (15) being supported by the radial direction side member (14b); and a load ring (16) having an approximately trapezoidal cross section and formed of an elastic material for providing a back pressure to the seal ring (15). The external periphery of the load ring (16) is formed of an outer annular contact surface (16a), a convexly curved front peripheral surface (16b), a rear peripheral surface (16c, 16d), and an inner annular contact surface (16e, 16f). The rear peripheral surface is formed as an inclined linear surface (16c) and a concavely curved surface ( 16d), with the latter extending from the inclined linear surface to the axial direction side member (14b) of the support ring (14). This load ring configuration provides compression deformation with a uniform annular bulge free from irregularities. The end face sealing assembly provides for stability of a follow-up property of the seal and an increased effective stroke in the thrust direction.
REFERENCES:
patent: 4132418 (1979-01-01), Roli
patent: 4195852 (1980-04-01), Roley et al.
patent: 4262914 (1981-04-01), Roley
patent: 4469336 (1984-09-01), Linne
patent: 4688805 (1987-08-01), Crotti et al.
Nakaishi Hiroyuki
Yagi Hideo
Kabushiki Kaisha Komatsu Seisakusho
Stormer Russell D.
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