SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                  SCHEDULE 13G


                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 13)*



                               CINTAS CORPORATION
- --------------------------------------------------------------------------------
                                (NAME OF ISSUER)



                           Common Stock, No Par Value
- --------------------------------------------------------------------------------
                         (TITLE OF CLASS OF SECURITIES)


                                   172908 10 5
- --------------------------------------------------------------------------------
                                 (CUSIP NUMBER)

Check the following  box if a fee is being paid with this  statement [ ]. (A fee
is not required only if the filing person:  (1) has a previous statement on file
reporting  beneficial  ownership  of more  than  five  percent  of the  class of
securities  described  in Item 1;  and (2) has  filed  no  amendment  subsequent
thereto reporting  beneficial  ownership of five percent or less of such class.)
(See Rule 13d-7.)

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).


                        (Continued on following page(s))

                                Page 1 of 4 Pages








 CUSIP NO. 172908 10 5                  13G               PAGE 2 OF 4 PAGES



 1      NAME OF REPORTING PERSONS
        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           RICHARD T. FARMER
           ###-##-####
- --------------------------------------------------------------------------------

 2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a) [ ]
            N/A                                                         (b) [ ]
- --------------------------------------------------------------------------------

 3      SEC USE ONLY
- --------------------------------------------------------------------------------

 4      CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America
- --------------------------------------------------------------------------------

                        5      SOLE VOTING POWER

       NUMBER OF                 22,204,726
        SHARES
     BENEFICIALLY       6      SHARED VOTING POWER
       OWNED BY
         EACH                    3,496,896.9156
       REPORTING
      PERSON WITH       7      SOLE DISPOSITIVE POWER

                                22,204,726


                        8      SHARED DISPOSITIVE POWER

                                3,496,896.9156
- --------------------------------------------------------------------------------

 9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          25,701,622.9156
- --------------------------------------------------------------------------------

10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- --------------------------------------------------------------------------------

11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
           26.27%

- --------------------------------------------------------------------------------
12      TYPE OF REPORTING PERSON*
             IN

- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!







                                                               Page 3 of 4 Pages


ITEM 1(a)      Name of IssuerCintas Corporation

               1(b)   Address of Issuer's Principal Executive Office:

                      6800 Cintas Boulevard
                      P.O. Box 625737
                      Cincinnati, Ohio  45262

        2(a)   Name of Persons Filing:Richard T. Farmer

        2(b)   Address of Principal Business Office:

               6800 Cintas Boulevard
               P.O. Box 625737
               Cincinnati, Ohio  45262

        2(c)   Citizenship:  U.S.A.

        2(d)   Title of Class of Securities:Common Stock, No Par Value

        2(e)   CUSIP No.:    172908 10 5
               ---------

        3.     If this Statement is Filed Pursuant to Rules 13d-1(b) or
               13d-2(b), check whether the Person Filing is a:   N/A

        4.     Ownership:

               (a) See  Item 9 of cover  page (b) See Item 11 of cover  page (c)
               See Items 5-8 of cover page

               This  Amendment No. 13 to Schedule 13G is filed solely by Richard
          T. Farmer.  The  original  Schedule  13G and all  amendments  prior to
          Amendment  No. 8 to  Schedule  13G were filed by Richard T. Farmer and
          Joan A. Gardner on the same Schedule 13G.

               The  aggregate  amount of  shares  shown in Items 6, 8, and 9 for
          Richard T. Farmer  includes  53,560 shares owned by Mr. Farmer's wife,
          68,580  shares  owned by a  corporation  under Mr.  Farmer's  control,
          3,297,184  shares  held  in  various  trusts  for the  benefit  of Mr.
          Farmer's  three  children  of which  shares  he  disclaims  beneficial
          ownership,  77,000 shares owned by limited  partnerships  and 572.9156
          shares   beneficially   owned  by  Mr.   Farmer   pursuant  to  Cintas
          Corporation's  Profit Sharing and Employee Stock  Ownership  Plan. The
          amount of shares  shown in Item 5, 7 and 9 includes  40,000  shares of
          Common Stock issuable upon exercise of options  exercisable  within 60
          days.

        5.     Ownership of 5% or less of class:N/A







          6.   Ownership of more than 5% on behalf of another person:  N/A

          7.   Identification   and   classification  of  the  subsidiary  which
               acquired  the  security  being  reported  by the  parent  holding
               company: N/A


          8.   Identification and classification of members of the group:N/A


          9.   Notice of dissolution of group:N/A


          10.  Certification: N/A


        After  reasonable  inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.



Date: January 29, 1998         /s/ Richard T. Farmer
                               ----------------------------------------
                                   Richard T. Farmer