Thrust bearing for wheel struts of model airplanes

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Description

FIG. 1 is a perspective view of a thrust bearing for wheel struts of model airplanes showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
1108209 August 1914 Mitchell et al.
2292898 August 1942 Peirce
2403129 July 1946 Shaeffer
3739519 June 1973 Garabello
Other references
  • Standoffs & Spacers Cat. H-1B; p. 1; Circular Unthreaded Spacer (center-2nd row). Plastiglide Cat. 14A; p. 5; Round Spacer W/Square Hole (lower left).
Patent History
Patent number: D293003
Type: Grant
Filed: Oct 15, 1984
Date of Patent: Dec 1, 1987
Inventors: Mark E. Larkin (Lindenhurst, IL), Walter T. Szempruch (Gurnee, IL), Stephen C. Yeaton (Lindenhurst, IL)
Primary Examiner: B. J. Bullock
Attorney: A. R. Thiele
Application Number: 6/660,933
Classifications
Current U.S. Class: D21/91; D/8354; D/8399