Global Patent Index - EP 0896159 A3

EP 0896159 A3 2000-09-27 - Pneumatic cylinder with non rotating shaft

Title (en)

Pneumatic cylinder with non rotating shaft

Title (de)

Pneumatischer Stellzylinder mit nicht drehbarer Kolbenstange

Title (fr)

Cylindre pneumatique à tige de piston non rotative

Publication

EP 0896159 A3 (EN)

Application

EP 98200300 A

Priority

IT MI970593 U

Abstract (en)

[origin: EP0896159A2] A pneumatic cylinder (10) having a non rotating shaft (48), thus having only a translation motion, is disclosed. The pneumatic cylinder (10) in its preferred embodiment has a splined member (28, 48) and one or more sets of freely rotating or rolling elements (44), the rotating or rolling elements (44) of each set (42) engaging one groove (40) of said member (28, 48). In this way the sliding friction of the devices of the state of the art is replaced by a rolling friction of said rotating or rolling elements (44) in the corresponding grooves (40). <IMAGE>

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

F15B 15/14

IPC 8 full level (invention and additional information)

F15B 15/14 (2006.01)

CPC (invention and additional information)

F15B 15/1414 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0896159 A2 19990210; EP 0896159 A3 20000927; IT 237848 Y1 20000929; IT MI970593 U1 19990204

INPADOC legal status


2001-02-28 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20000902

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

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-09-27 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI

1999-02-10 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

1999-02-10 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI