Global patent index - EP 0999171 A1

EP 0999171 A1 2000-05-10 - A foldable jib of a tower crane

Title (en)

A foldable jib of a tower crane

Title (de)

Zusammenlegbarer Ausleger für einen Turmkran

Title (fr)

Flèche repliable pour grue à tour

Publication

EP 0999171 A1 (EN)

Application

EP 98830667 A

Priority

EP 98830667 A

Abstract (en)

The present invention refers to a foldable jib for a tower crane comprising a proximal section (11) pivoted to the top of the tower, an intermediate section (12) pivoted to the proximal section (11) and a distal section (13) pivoted to the intermediate section (12); first means for operating the opening and the closing of said intermediate section (12) relative to said proximal section (11); second means for operating the opening and the closing of said distal section (13) relative to said intermediate section (12), wherein said first means and said second means comprise, each, an active control device (31a, 31b) for the opening and the closing of the corresponding section of jib and a passive extensible arrest device (32a, 48a, 32b, 48b), said arrest device being suitable to maintain the jib in operating position. <IMAGE>

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

B66C 23/26; B66C 23/34

IPC 8 full level (invention and additional information)

B66C 23/26 (2006.01); B66C 23/34 (2006.01)

CPC (invention and additional information)

B66C 23/26 (2013.01); B66C 23/34 (2013.01)

Citation (search report)

Designated contracting state (EPC)

BE CH DE ES FR IT LI PT

EPO simple patent family

EP 0999171 A1 20000510

INPADOC legal status

2004-12-15 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20040615

2001-01-17 [AKX] PAYMENT OF DESIGNATION FEES

- Ref Legal Event Code: AKX

- Free Format Text: BE CH DE ES FR IT LI PT

2001-01-10 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001109

2000-05-10 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): BE CH DE ES FR IT LI PT

2000-05-10 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI