Foldable hay rake

Harvesters – Horse rakes – Side delivery

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07540139

ABSTRACT:
A foldable hay rake has two rake arms comprised of first and second rake arm structures with rake wheels thereon pivotally secured to a base frame to pivot in a vertical plane. A center rake arm structure is pivotally associated with the base frame with a center rake arm frame located adjacent a rearward end of the base frame between the first and second rake arm structures. At least one of the hay rake wheels has a plurality of teeth extending therefrom with a tooth spacing between adjacent teeth of less than five inches and an outer diameter greater than 60 inches. A castor wheel is pivotally attached to the outer end of the main support frame, with an axle dampener operationally associated with the castor wheel to dampen wobbling of the castor wheel.

REFERENCES:
patent: 2807927 (1957-10-01), van der Lely et al.
patent: 3279160 (1966-10-01), Worrel
patent: 4214428 (1980-07-01), Caraway
patent: 4723401 (1988-02-01), Webster et al.
patent: 4723402 (1988-02-01), Webster et al.
patent: 4753063 (1988-06-01), Buck
patent: D298139 (1988-10-01), van Staveren
patent: 4932197 (1990-06-01), Allen
patent: 4974407 (1990-12-01), Rowe et al.
patent: 4977734 (1990-12-01), Rowe et al.
patent: 5062260 (1991-11-01), Tonutti
patent: 5263306 (1993-11-01), Tonutti
patent: 5685135 (1997-11-01), Menichetti
patent: 5752375 (1998-05-01), Tonutti
patent: 5899055 (1999-05-01), Rowse et al.
patent: 5956934 (1999-09-01), Wright et al.
patent: 5966916 (1999-10-01), Laing
patent: 6109012 (2000-08-01), Staal et al.
patent: 6179315 (2001-01-01), Boriack
patent: 6463726 (2002-10-01), Helfer et al.
patent: 6467249 (2002-10-01), Demanet

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Foldable hay rake does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Foldable hay rake, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Foldable hay rake will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4070373

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.