Folded wheel block
Description
FIG. 1 is a perspective view of the folded wheel block showing our new design;
FIG. 2 is an enlarged top plan view thereof;
FIG. 3 is a side elevational view thereof, the opposite side being a mirror image thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an end elevational view of the right end of FIG. 3;
FIG. 6 is a left end elevational view of FIG. 3; and
FIG. 7 is a sectional view taken along the line 7--7 of FIG. 4.
The design of the folded wheel block is characterized with a bottom plate having laterally spaced pairs of downwardly directed triangular projections located at opposite ends and the midsection of the bottom plate.
Referenced Cited
U.S. Patent Documents
Other references
| D281063 | October 22, 1985 | De Raad |
| 1768265 | June 1930 | Nicholls |
| 2316178 | April 1943 | Morgensen, Jr. |
| 2585370 | February 1952 | Cless |
| 2723005 | November 1955 | Wink |
| 2816627 | December 1957 | Wilson et al. |
| 2829738 | April 1958 | Vasquez |
| 3353633 | November 1967 | Leonard et al. |
| 3387686 | June 1968 | Little |
| 3647029 | March 1972 | Hanley |
| 3664466 | May 1972 | Rotheiser |
| 3845845 | November 1974 | Geisthoff |
| 3871492 | March 1975 | Garrett et al. |
| 4109763 | August 29, 1978 | Sugino |
| 4140206 | February 20, 1979 | Yamazaki et al. |
- Brookstone Catalog, Fall, 1982, p. 63, Fold-Up Wheel Chock.
Patent History
Patent number: D297003
Type: Grant
Filed: Oct 28, 1985
Date of Patent: Aug 2, 1988
Assignee: Bridge Wheel Co., Inc. (Minneapolis, MN)
Inventors: David M. Haskamp (Minneapolis, MN), Merrel M. De Raad (Burnsville, MN)
Primary Examiner: James M. Gandy
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 6/791,991
Type: Grant
Filed: Oct 28, 1985
Date of Patent: Aug 2, 1988
Assignee: Bridge Wheel Co., Inc. (Minneapolis, MN)
Inventors: David M. Haskamp (Minneapolis, MN), Merrel M. De Raad (Burnsville, MN)
Primary Examiner: James M. Gandy
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 6/791,991
Classifications
Current U.S. Class:
Wheel Chock Or Stop (D12/217)