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.

Date of Patent:
May. 29, 1990

Filed:

Jun. 19, 1989
Applicant:
Inventors:

Fumio Muroya, Saitama, JP;

Yoshiaki Kotani, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01D / ; A01D / ; F02D / ; F02D / ;
U.S. Cl.
CPC ...
56 118 ; 56 147 ;
Abstract

A control device in a mower in which an engine output is transmitted to a cutter blade through a coupling of a clutch for performing mowing. A blade engagement switch is provided for sending a drive signal for engaging the cutter blade. A first control device receives the signal and electrically increases a degree of opening of a throttle valve of the engine. A second control device is provided for electrially performing coupling and decoupling of the clutch. A first timer circuit actuates the first control device a predetermined period upon closure of the blade engagement switch. A second timer circuit actuates the second control device to provide coupling of the clutch at a predetermined timing within the predetermined period after closure of the blade engagement switch.


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