Turf aeration device

Earth working – Lawn aerator or perforator – or plug remover

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07730960

ABSTRACT:
An improved turf aeration device is provided, where the device has a frame having a journalled drive shaft, and the frame is attachable to a pulling vehicle having a power take-off portion; where the device has a power transfer means, attachable between the drive shaft and the power take-off portion, for transferring power from the power take-off portion to the drive shaft; and a plurality of aerator mechanisms operatively attached to the drive shaft and the frame, each aerator mechanism having a lower link member, with a base end and a distal end, where the base end is pivotally attached to the frame; a tine holder pivotally attached to the distal end of the lower link member, where the improvement includes a roller frame rigidly attached to the frame, the roller frame having two spaced apart, and a slideable member adapted to allow limited rotation of the aeration device toward or away from the pulling device.

REFERENCES:
patent: 672572 (1901-04-01), Schley
patent: 1871529 (1932-08-01), Karshner
patent: 2056337 (1936-10-01), Archibald
patent: 2063333 (1936-12-01), Nolte
patent: 2624254 (1953-01-01), Hoover
patent: 2800066 (1957-07-01), Cohrs et al.
patent: 3128831 (1964-04-01), Arndt
patent: 3204703 (1965-09-01), Hansen
patent: 3233686 (1966-02-01), Steadman
patent: 3480086 (1969-11-01), Groenke
patent: 3802513 (1974-04-01), Ploenges
patent: 3834464 (1974-09-01), Carlson et al.
patent: 3878578 (1975-04-01), Skudrna
patent: 3926131 (1975-12-01), Collins
patent: 3959913 (1976-06-01), Weber
patent: 4422510 (1983-12-01), de Ridder
patent: 4559035 (1985-12-01), Benjamin
patent: 4569400 (1986-02-01), Minagawa et al.
patent: 4614239 (1986-09-01), Minagawa et al.
patent: 4750565 (1988-06-01), Hansen et al.
patent: 4753298 (1988-06-01), Hansen et al.
patent: 4819734 (1989-04-01), Classen
patent: 5069293 (1991-12-01), St. Romain
patent: 5207278 (1993-05-01), Hatlen
patent: 5570746 (1996-11-01), Jones et al.
patent: 5709272 (1998-01-01), Jones et al.
patent: 5810092 (1998-09-01), Selvatici
patent: 4001-336 (1990-01-01), None

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

Turf aeration device does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-4185485

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