<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE ep-patent-document PUBLIC "-//EPO//EP PATENT DOCUMENT 1.4//EN" "ep-patent-document-v1-4.dtd"><ep-patent-document id="EP0067815A1" file="EP81901579NWA1.xml" lang="en" doc-number="0067815" date-publ="19821229" kind="A1" country="EP" status="n" dtd-version="ep-patent-document-v1-4"><SDOBI lang="en"><B000><eptags><B001EP>......DE....FRGB..........SE........................................................................</B001EP><B003EP>*</B003EP><B007EP>EPregister to ST.36 EBD process v 1.0 kbaumeister@epo.org (15 Jan 2013)</B007EP></eptags></B000><B100><B110>0067815</B110><B130>A1</B130><B140><date>19821229</date></B140><B190>EP</B190></B100><B200><B210>81901579.0</B210><B220><date>19801224</date></B220><B240><B241><date>19821028</date></B241></B240><B250>en</B250><B251EP>en</B251EP><B260>en</B260></B200><B400><B405><date>19821229</date><bnum>198252</bnum></B405><B430><date>19821229</date><bnum>198252</bnum></B430></B400><B500><B510EP><classification-ipcr sequence="1"><text>F15B  11/    20            A I                    </text></classification-ipcr><classification-ipcr sequence="2"><text>B66C  13/    20            A I                    </text></classification-ipcr><classification-ipcr sequence="3"><text>B66F   9/    22            A I                    </text></classification-ipcr><classification-ipcr sequence="4"><text>F15B  11/    02            A I                    </text></classification-ipcr><classification-ipcr sequence="5"><text>F15B  11/    08            A I                    </text></classification-ipcr><classification-ipcr sequence="6"><text>F15B  11/    16            A I                    </text></classification-ipcr></B510EP><B540><B541>en</B541><B542>SYSTEM WITH CONSTANT FORCE ACTUATOR</B542><B541>fr</B541><B542>SYSTEME AVEC DISPOSITIF D'ACTIONNEMENT A FORCE CONSTANTE</B542><B541>de</B541><B542>ANTRIEBSVORRICHTUNG MIT KONSTANTER KRAFT</B542></B540></B500><B700><B710><B711><snm>CATERPILLAR TRACTOR CO.</snm><adr><str>100 Northeast Adams Street</str><city>Peoria, Illinois 61629</city><ctry>US</ctry></adr></B711></B710><B720><B721><snm>HALL, Lowell R.</snm><adr><str>RR No.1 172 LH Kinder Drive</str><city>Elmwood, IL 60421</city><ctry>US</ctry></adr></B721></B720><B740><B741><snm>Wagner, Karl H.</snm><adr><str>WAGNER &amp; GEYER Patentanwälte Gewuerzmuehlstrasse 5 Postfach 246</str><city>D-8000 München 22</city><ctry>DE</ctry></adr></B741></B740></B700><B800><B840><ctry>DE</ctry><ctry>FR</ctry><ctry>GB</ctry><ctry>SE</ctry></B840><B860><B861><dnum><anum>US1980001741</anum></dnum><date>19801224</date></B861><B862>en</B862></B860><B870><B871><dnum><pnum>WO1982002230</pnum></dnum><date>19820708</date><bnum>198217</bnum></B871></B870></B800></SDOBI></ep-patent-document>