Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL32174CpublicationCriticalpatent/NL32174C/xx
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/02—Constructional features of telephone sets
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
B66C3/12—Grabs actuated by two or more ropes
B66C3/125—Devices for control
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
B66D1/02—Driving gear
B66D1/08—Driving gear incorporating fluid motors
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
B66D2700/00—Capstans, winches or hoists
B66D2700/01—Winches, capstans or pivots
B66D2700/0125—Motor operated winches
B66D2700/0133—Fluid actuated
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Signal Processing
(AREA)
Auxiliary Drives, Propulsion Controls, And Safety Devices
(AREA)