Earth working – Towed scraper with ground support wheels
Reexamination Certificate
2009-05-19
2011-12-20
Pezzuto, Robert E (Department: 3671)
Earth working
Towed scraper with ground support wheels
C172S133000
Reexamination Certificate
active
08079425
ABSTRACT:
A towable farm and garden implement trailer which has a modular receiver. The modular receiver is operatively configured to receive implements above or below the frame of the trailer. Implements which may be removably coupled to the underside of the trailer include such implements as a lawn de-thatcher, transport box, box blade, drag harrow, slurry blade, etc. Examples of implements which could be carried and removably coupled to the top side of the trailer frame include such implements as a spreader, tank, carrying platform and other similar implements. In one form, the implement trailer comprises an actuator positioned between the frame and the wheels to allow the wheels to be raised and lowered with respect to the trailer frame.
REFERENCES:
patent: 3608645 (1971-09-01), Meiners
patent: 5641026 (1997-06-01), Balmer
patent: 5746275 (1998-05-01), Cross et al.
patent: 5829536 (1998-11-01), Pigg et al.
patent: 6796384 (2004-09-01), Potter
patent: 7036604 (2006-05-01), Steinlage et al.
patent: 7100704 (2006-09-01), Potter
Article found at: http://www.lawnmowers-uk.co.uk/cat12—1.htm.
Article found at: http://www.swisherinc.com/hitch.asp Mar. 31, 2009.
Product Data Sheet of Actuator LA36 by Techline, http://www.techline.linak.com/.
Johnston Brian
Van Kooten Craig
Hughes Law Firm PLLC
Pezzuto Robert E
Rogge Dwayne E.
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