FORM B C A-47

                  BEFORE ATTEMPTING TO EXECUTE THESE BLANKS BE
                     SURE TO READ CAREFULLY THE INSTRUCTIONS
                              ON THE BACK THEREOF.

                   (THESE ARTICLES MUST BE FILED IN DUPLICATE)

STATE OF ILLINOIS,                                   )
                                                     ) ss.
COOK COUNTY                                          )

TO ALAN J. DIXON, Secretary of State

The undersigned,

                                                     Address
Name               Number           Street            City          State

Jack Holcomb      55 East Monroe St., Suite 4100     Chicago ,    Illinois


being one or more natural persons of the age of twenty-one years or more or a
corporation, and having subscribed to shares of the corporation to be organized
pursuant hereto, for the purpose of forming a corporation under "The Business
Corporation Act" of the State of Illinois, do hereby adopt the following
Articles of Incorporation:

                                   ARTICLE ONE

The name of the corporation hereby incorporated is: Tri-M, Inc.

                                   ARTICLE TWO

The ADDRESS of its initial registered office in the State of Illinois is: 55 E.
Monroe St., Suite 4100, in the city of Chicago (60603) County of Cook and the
NAME of its initial Registered Agent at SAID ADDRESS is: Michael E. C. Moss

                                  ARTICLE THREE

The duration of the corporation is: Perpetual




                                  ARTICLE FOUR

The purpose or purposes for which the corporation is organized are:

         To conduct a general manufacturing business, to design, produce,
         manufacture, sell and distribute articles fabricated from metals,
         woods, plastics and other substances or combinations thereof; to design
         and product tools, dies, jigs, and fixtures, and to perform such other
         similar or connected business as the corporation might from time to
         time see fit to engage in;

         To buy, sell, franchise, lease as lessor or lessee, own, use, convey,
         and deal in and with goods, wares, merchandise and personal and real
         property or any interest therein;

         To acquire, own, use convey and otherwise dispose of and deal in real
         property or any interest therein;

         To engage in any lawful act or activities for which corporations may be
         organized under the Illinois Business Corporation Act, relative to the
         foregoing.

                                  ARTICLE FIVE

PARAGRAPH 1: The aggregate number of shares which the corporation is authorized
to issue is 1,000, divided into One (1) classes. The designation of each class,
the number of shares of each class, and the par value, if any, of the shares of
each class, or a statement that the shares of any class are without par value,
are as follows:



          Series        Number of   Par value per share or statement that shares
Class     (If any)       Shares              are without par value
                           

Common    None           1,000               $1.00 par value


PARAGRAPH 2: The preferences, qualifications, limitations, restrictions and the
special or relative rights in respect of the shares of each class are:

                   none



                                   ARTICLE SIX

         The class and number of shares which the corporation proposes to issue
without further report to the Secretary of State, and the consideration
(expressed in dollars) to be received by the corporation therefor, are:



                                                 Total consideration to be
       Class of Shares     Number of shares           received therefor:
                                            

       Common                      1,000         $1,000.00


                                  ARTICLE SEVEN

         The corporation will not commence business until at least one thousand
dollars has been received as consideration for the issuance of shares.


                                  ARTICLE EIGHT

          The number of directors to be elected at the first meeting of the
          shareholders is: Three (3)


                                  ARTICLE NINE

PARAGRAPH 1: It is estimated that the value of all property to be owned by the
corporation for the following year wherever located will be $__________
PARAGRAPH 2: It is estimated that the value of all property to be located within
the State of Illinois during the following year will be $__________
PARAGRAPH 3: It is estimated that the gross amount of business which will be
transacted by the corporation during the following year will be $__________
PARAGRAPH 4: it is estimated that the gross amount of business which will be
transacted at or from places of business in the State of Illinois during the
following year will be $__________

         NOTE: If all the property of the corporation is to be located in this
State and all of its business is to be transacted as or from places of business
in this Tate, or if the incorporators elect to pay the initial franchise tax on
the basis of its entire stated capital and paid-in surplus, then the information
called from in Article Nine need not be stated.




                               /s/  Jack Holcomb               ) Incorporators
                               --------------------------------

         NOTE: There may be one or more incorporators. Each incorporator shall
be either a corporation, domestic or foreign, or a natural person of the age of
twenty-one years or more. If a corporation acts as incorporator, the name of the
corporation and state of incorporation shall be shown and the execution must be
by its President or Vice-President and verified by him, and the corporate seal
shall be affixed and attested by its Secretary or an Assistant Secretary.

                                          OATH AND ACKNOWLEDGMENT

STATE OF ILLINOIS          )
                           ) ss.
COOK COUNTY                )

         I, THERESE COUGHLAN, A Notary Public, do hereby certify that on the 6th
day of July 1979 Jack Holcomb personally appeared before me being first duly
sworn by me acknowledged the signing of the foregoing document in the respective
capacities therein set forth and declared that the statement therein contained
are true.

         IN WITNESS WHEREOF, I have hereunto set my hand and seal the day and
year above written.

         Place
     (NOTARIAL SEAL)                                  /s/ Therese Coughlan
                                                      -----------------------
         Here)                                         Notary Public






                                    JIM EDGAR
                               Secretary of State
                                State of Illinois

                              ARTICLES OF AMENDMENT


Pursuant to the provisions of "The Business Corporation Act of 1983", the
undersigned corporation hereby adopts these Articles of Amendment to its
Articles of Incorporation.

ARTICLE ONE       The name of the corporation is ATWOOD INDUSTRIES, INC.(Note 1)

ARTICLE TWO                The following amendment of the Articles of
                           Incorporation was adopted on May 19, 1987 in the
                           manner indicated below. ("X" one box only.)

                 / /       By a majority of the incorporation, provided no
                           directors were named in the articles of incorporation
                           and no directors have been elected; or by a majority
                           of the board of directors, in accordance with Section
                           10.10, the corporation having issued no shares as of
                           the time of adoption of this amendment; (Note 2)

                 / /       By a majority of the board of directors, in
                           accordance with Section 10.15, shares having been
                           issued but shareholder action bot being required for
                           the adoption of the amendment; (Note 3)

                 / /       By the shareholders, in accordance with Section
                           10.20, a resolution of the board of directors having
                           been duly adopted and submitted to the shareholders.
                           At a meeting of shareholders, not less than the
                           minimum number of votes required by statute and by
                           the articles of incorporation were voted in favor of
                           the amendment; (Note 4)

                  |X|      By the shareholders, in accordance with Sections
                           10.20 and 7.10, a resolution of the board of
                           directors having been duly adopted and submitted to
                           the shareholders. A consent in writing has been
                           signed by shareholders having not less than the
                           minimum number of votes required by statute and by
                           the articles of incorporation. Shareholders who have
                           not consented in writing have been given notice in
                           accordance with Section 7.10; (Note 4)

                 / /       By the shareholders, in accordance with Sections
                           10.20 and 7.10, a resolution of the board of
                           directors have been duly adopted and submitted to the
                           shareholders. A consent in writing has been signed by
                           all the shareholders entitled to vote on this
                           amendment. (Note 4)

                               (INSERT AMENDMENT)

(any article being amended in required to be set forth in its entirety.)
(Suggested language for an amendment to change the corporate name is: RESOLVED,
that the Articles of Incorporation be amended to read as follows:)



- --------------------------------------------------------------------------------
                                   (new Name)


                  All changes other than name include on page 2
                                     (over)




                                     PAGE 2
                                   RESOLUTION

1.        Present class of common stock consisting of 1,000 shares of authorized
          stock have a par value of $1.00 per share is hereby deleted.

2.        A new class of common stock is hereby created consisting of 3,000,000
          shares of common stock without par value.

3.       The 1,000 issued shares of the common stock deleted by resolution 1.
         above shall be exchanged at the ratio of 1 share of $1.00 par value
         common stock for 2,000 shares of the new no par value common stock, and
         the $1.00 par value common stock so exchanged is cancelled.






ARTICLE                    THREE The manner, if not set forth in the amendment,
                           in which any exchange, reclassification or
                           cancellation of issued shares, or a reduction of the
                           number of authorized shares of any class below the
                           number of issued shares of that class, provided for
                           or effected by this amendment, is as follows: (If not
                           applicable, insert "No change")

                           One share of $1.00 par value common stock surrendered
                           for each 2,000 shares of no par value common stock
                           issued.

AMENDMENT                  FOUR (a) The manner, if not set forth in the
                           amendment, in which said amendment effects a change
                           in the amount of paid-in capital* is as follows: (IF
                           NOT APPLICABLE, INSERT "NO CHANGE")

                           no change

                           (b) The amount of paid-in capital* as changed by
                           this amendment is as follows: (IF NOT APPLICABLE,
                           INSERT "NO CHANGE")

                           no change



                                           Before Amendment     After Amendment

                 Paid-in Capital           $_______________     $______________

          The undersigned corporation has caused this statement to be signed by
its duly authorized officers, each of whom affirm, under penalties of perjury,
that the facts stated herein are true.

Dated: May 19, 1987                           ATWOOD INDUSTRIES, INC.

attested by  /s/ R. Steven Holdeman           by   /s/ John R. Henriksen
             ------------------------------        ----------------------------
             R. Steven Holdeman, Secretary         John R. Henriksen, President


*         "Paid-in Capital" replaces the terms Stated Capital and Paid-in
          Surplus and is equal to the total of these accounts.



       -------------------
         STATEMENT OF
            CHANGE
      OF REGISTERED AGENT
       AND/OR REGISTERED
            OFFICE
      --------------------



1.       CORPORATE NAME: ATWOOD INDUSTRIES, INC.

2.       STATE OR COUNTRY OF INCORPORATION: ILLINOIS

3.       Name and address of the registered agent and registered office as they
         appear on the records of the office of the Secretary of State (before
         change):

         Registered Agent      John R. Beuster

         Registered Office     1400 Eddy Avenue
                               Rockford, Illinois 61103        Winnebago County

4.       Name and address of the registered agent and registered office shall be
         (after all changes herein reported):

         Registered Agent      Robert A. Pickering

         Registered Office     4750 Hiawatha Avenue
                               Rockford, Illinois 61103-1298   Winnebago County






5.       The address of the registered office and the address of the business
         office of the registered agent, as changed, will be identical.

6. The above change was authorized by: ("X" one box only)
         a.   o    By resolution duly adopted by the board of directors (Note 5)

         b.   o    by action of the registered agent                    (Note 6)

NOTE:     When the registered agent changes, the signatures of both president
          and secretary are required.

7.      (IF AUTHORIZED BY THE BOARD OF DIRECTORS, SIGN HERE. SEE NOTE 5)

         The undersigned corporation has caused this statement to be signed by
its duly authorized officers, each of whom affirms, under penalties of perjury,
that the facts stated herein are true.

Dated:   November 12, 1997              ATWOOD INDUSTRIES, INC.

attested by: /s/ Joseph A. Robinson         by  /s/ James O. Futterknecht, Jr.
             ----------------------------   ------------------------------------
            Joseph A. Robinson, Secretary  James O. Futterknecht, Jr., President

(If change of registered office by registered agent, sign here.  See Note 6)

         The undersigned, under penalties of perjury, affirms that the facts
stated herein are true.


Dated:   ____________________, 19___  ________________________________________
                                      (Signature of Registered Agent of Record)

                                      NOTES

1.       The registered office may, but need not be the same as the principal
         office of the corporation. However, the registered office and the
         office address of the registered agent must be the same.

2.       The registered office must include a street or road address; a post
         office box number alone is not acceptable.

3.       A corporation cannot act as it sown registered agent.

4.       If the registered office is changed from one county to another, then
         the corporation must file with the recorder of deeds of the new county
         a certified copy of the articles of incorporation and a certified copy
         of the statement of change of registered office. Such certified copies
         may be obtained ONLY from the Secretary of State.

5.       Any change of REGISTERED AGENT must be by resolution adopted by the
         board of directors. This statement must then be signed by the president
         (or vice-president) and by the secretary (or an assistant secretary).

6.       The registered agent may report a change of the REGISTERED OFFICE of
         the corporation for which he or she is registered agent. When the agent
         reports such a change, this statement must be signed by the registered
         agent.