(19)
(11) EP 1 221 426 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.09.2002 Bulletin 2002/37

(43) Date of publication A2:
10.07.2002 Bulletin 2002/28

(21) Application number: 01200047.7

(22) Date of filing: 09.01.2001
(51) International Patent Classification (IPC)7: B66C 15/06, B66C 23/90
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(71) Applicants:
  • Shaw, Jack B.
    Johnstown, PA 15904 (US)
  • Shaw, John B.
    Johnstown, Pennsylvania 15904 (US)

(72) Inventors:
  • Shaw, Jack B.
    Johnstown, PA 15904 (US)
  • Shaw, John B.
    Johnstown, Pennsylvania 15904 (US)

(74) Representative: Eveleens Maarse, Pieter et al
Arnold & Siedsma, Advocaten en Octrooigemachtigden, Sweelinckplein 1
2517 GK Den Haag
2517 GK Den Haag (NL)

   


(54) Crane safety devices and methods


(57) A crane safety device comprising a plurality of wind speed and direction sensors (53) and a control console (48) to display this information and to limit the operation of the crane to safe conditions. Other sensors for boom length (68) etc. are used to evaluate safe conditions. The wind sensor is pivoted and has a counterweight (65) to ensure that the sensor remains vertical at all boom angles.
A crane control decision network (66) is also disclosed for programming the setup of the crane.






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