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Application filed by IndividualfiledCriticalIndividual
Priority to FR7410554ApriorityCriticalpatent/FR2265663A2/fr
Publication of FR2265663A2publicationCriticalpatent/FR2265663A2/fr
Application grantedgrantedCritical
Publication of FR2265663B2publicationCriticalpatent/FR2265663B2/fr
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
B66C23/88—Safety gear
B66C23/90—Devices for indicating or limiting lifting moment
B66C23/905—Devices for indicating or limiting lifting moment electrical
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Jib Cranes
(AREA)
Forklifts And Lifting Vehicles
(AREA)
FR7410554A1974-03-271974-03-27Platform jack safety system - has ground pressure curve correction cct. and compensator for pressure variations
GrantedFR2265663A2
(en)
