Land vehicles – Wheeled – Attachment
Patent
1986-10-14
1988-06-28
Mitchell, David M.
Land vehicles
Wheeled
Attachment
182 92, 182127, B60R 302
Patent
active
047534478
ABSTRACT:
An adjustable, temporary step or platform is shown for mounting on the front bumper of heavy-duty motor vehicles such as trucks and buses. A pair of L-shaped structural members are spaced apart and fitted with a wide platform panel for supporting both feet of the user. Each L-shaped member has a vertical post that is provided with a pair of vertically spaced through bolts that are adjustably mounted to the post. Both bolts are threaded bolts and the top bolt has a down-turned hook formed on the outermost end that is adapted to engage over a top flange of a bumper. The bottom bolt has a rubber or plastic fitting formed on its outermost end that is adapted for engagement with a front wall of a bumper. This unit has been designed so that it is adjustable without the use of tools. A second modification employs a horizontal, elongated, adjustable rod connected between the two bottom bolts for making a quick connection therewith, where each end of the elongated rod is provided with an elongated hole located within the hollow post for receiving the bottom bolt therein with a slip fit. One end wall of each elongated hole in the elongated rod is provided with a concave, semicircular, threaded configuration for locking engagement with the threads of the adjacent bottom bolt when the rod is shifted into engagement therewith and serving in the manner of a split nut.
REFERENCES:
patent: 2378678 (1945-06-01), Anderson
patent: 2981554 (1961-04-01), Mulder et al.
patent: 3017949 (1962-01-01), Harlan
patent: 3159242 (1964-12-01), James
patent: 3357719 (1967-12-01), McCrea
patent: 4017093 (1977-04-01), Strecker, Sr.
patent: 4057125 (1977-11-01), Kroft
patent: 4274648 (1981-06-01), Robins
patent: 4405141 (1983-09-01), Jurek
Mar Michael
Mitchell David M.
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