Tool driving or impacting – Impacting devices
Patent
1994-06-06
1995-02-28
Smith, Scott A.
Tool driving or impacting
Impacting devices
173132, 254 29R, B25D 900
Patent
active
053928660
ABSTRACT:
A tractor steel post driver comprising an elongated driving assembly having an upper cylindrical pipe and a lower pipe, a bracket formed of two small parallel plates, each of the plates having a free end, each of plates having an aperture therethrough with a pin positioned through the aperture of the plates and apertures at the upper end of the upper pipe with the pipe located between the plates; a pair of collar bolts positioned with their head ends interior of the lower pipes and extending radially outward through lower apertures in the lower pipe; and a collar having a cylindrical upper extent with downwardly extending recesses formed therein adapted to receive the ends of the collar bolts exterior of the tube but interiorly of the nuts with a circular plate at its lower extent having an enlarged diameter to function as a stop when used in driving posts, the collar and plate having an axial aperture for receiving the upper end of a post to be driven by inserting its upper end through the plate and lower half of the collar to the point where contact is made between the upper end of the post and the lower end of the lower pipe.
REFERENCES:
patent: 839246 (1906-12-01), Williams
patent: 3129924 (1964-04-01), Froh
patent: 3823785 (1974-07-01), Toliver
patent: 4241795 (1980-12-01), Landry, Jr.
patent: 4258905 (1981-03-01), Brabander
patent: 5042591 (1991-08-01), Hull
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