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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to FR7701933ApriorityCriticalpatent/FR2377964A1/fr
Publication of FR2377964A1publicationCriticalpatent/FR2377964A1/fr
Application grantedgrantedCritical
Publication of FR2377964B1publicationCriticalpatent/FR2377964B1/fr
B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
Landscapes
Life Sciences & Earth Sciences
(AREA)
Engineering & Computer Science
(AREA)
Geology
(AREA)
Mechanical Engineering
(AREA)
Structural Engineering
(AREA)
Transmission Devices
(AREA)
Details Of Spanners, Wrenches, And Screw Drivers And Accessories
(AREA)
FR7701933A1977-01-241977-01-24Dispositif de levage
GrantedFR2377964A1
(fr)