The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 1986
Filed:
Aug. 10, 1983
Applicant:
Inventor:
Masutoshi Kotani, Osaka, JP;
Assignee:
Iwatani & Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B / ; A01B / ; A01C / ;
U.S. Cl.
CPC ...
172-4 ; 111-6 ; 172 21 ; 172 98 ; 172117 ; 405269 ;
Abstract
An automotive aerator includes a tractor or the like and an aerator carried movable vertically by the tractor or the like. A landing sensor for the detection of the spike pipe of the aerator, a device for driving the spike pipe into soil, and a depth sensor for detecting that the spike pipe has been driven to a predetermined depth in soil are provided so that actuation of the spike pipe driving device is preferably started when the spike pipe engages the surface of the ground and is stopped when the spike pipe reaches the predetermined depth.