Global patent index - EP 1038112 A1

EP 1038112 A1 2000-09-27 - MULTIPLE BELLEVILLE WASHER NUT CONSTRUCTION

Title (en)

MULTIPLE BELLEVILLE WASHER NUT CONSTRUCTION

Title (de)

MIT MEHREREN TELLERFEDERN VERSEHENE MUTTER

Title (fr)

CONSTRUCTION D'UN ECROU A PLUSIEURS RONDELLES BELLEVILLE

Publication

EP 1038112 A1 (EN)

Application

EP 97952510 A

Priority

US 9723354 W

Abstract (en)

[origin: WO9932794A1] A nut (10) has a plurality of stacked Belleville washers (12, 14, 16, 18) held in unitary relation within a cage (20). One washer (16) is constructed of a material softer than that composing the other washers to provide a prevailing torque locking action. The nut is internally threaded (30) at an angle offset with respect to a plane (34) normal to the nut bore axis. In a use embodiment, a pressure washer (26) is mounted in a free-spinning manner in a cylindrical flange (22) of the cage (20).

IPC 1-7 (main, further and additional classification)

F16B 37/08; F16B 37/16

IPC 8 full level (invention and additional information)

F16B 39/28 (2006.01); F16B 39/282 (2006.01)

CPC (invention and additional information)

F16B 39/282 (2013.01); F16B 39/28 (2013.01)

Citation (search report)

See references of WO 9932794A1

Designated contracting state (EPC)

DE ES GB

EPO simple patent family

WO 9932794 A1 19990701; EP 1038112 A1 20000927

INPADOC legal status

2002-11-27 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20020919

2000-09-27 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000705

2000-09-27 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES GB