CA939702A - Grab bucket operating apparatus - Google Patents
Grab bucket operating apparatusInfo
- Publication number
- CA939702A CA939702A CA135,419A CA135419A CA939702A CA 939702 A CA939702 A CA 939702A CA 135419 A CA135419 A CA 135419A CA 939702 A CA939702 A CA 939702A
- Authority
- CA
- Canada
- Prior art keywords
- grab bucket
- operating apparatus
- bucket operating
- grab
- operating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- 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
- B66C3/14—Grabs opened or closed by driving motors thereon
- B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Load-Engaging Elements For Cranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1192071U JPS5148168Y2 (en) | 1971-02-25 | 1971-02-25 | |
JP3609771 | 1971-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA939702A true CA939702A (en) | 1974-01-08 |
Family
ID=26347448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA135,419A Expired CA939702A (en) | 1971-02-25 | 1972-02-23 | Grab bucket operating apparatus |
Country Status (3)
Country | Link |
---|---|
US (1) | US3774954A (en) |
CA (1) | CA939702A (en) |
GB (1) | GB1330093A (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT983196B (en) * | 1972-12-20 | 1974-10-31 | Saipem Spa | CLAMP WITH OLEOPNEUMATIC CONTROL FOR THE LIFTING OF HOSE NI UNDERWATER |
US4143900A (en) * | 1977-03-07 | 1979-03-13 | Condor International Corporation | Material handling bucket arrangement |
US4129329A (en) * | 1977-03-07 | 1978-12-12 | International Dynetics Corporation | Self-powered bucket arrangement |
US4405167A (en) * | 1981-03-02 | 1983-09-20 | Alfred Kinshofer | Clamshell |
DE3617227A1 (en) * | 1986-05-22 | 1987-11-26 | Wirth Co Kg Masch Bohr | DEVICE WITH AN END OF A TUBE CLAMPABLE SPIDER OR THE LIKE. |
US5443294A (en) * | 1993-09-22 | 1995-08-22 | Hawco Manufacturing Co. | Single-line clamshell bucket |
US6269561B1 (en) * | 1999-11-09 | 2001-08-07 | Rockland Inc. | Tiltable implement for excavator machines and the like |
DE20107206U1 (en) * | 2001-04-02 | 2002-08-08 | Kinshofer Greiftechnik GmbH, 83666 Waakirchen | Drive device for a gripping device |
US7210720B2 (en) * | 2002-06-28 | 2007-05-01 | 1994 Weyer Family Limited Partnership | Timed rotation tool assembly and actuator |
US20060202496A1 (en) * | 2005-02-03 | 2006-09-14 | Davis Lindsay P R | Clamping device with trigger control |
WO2007092236A2 (en) * | 2006-02-08 | 2007-08-16 | Boutte Tierson K | Hydraulic crane-mounted remotely-controlled lifting device |
ITUD20060267A1 (en) * | 2006-12-19 | 2008-06-20 | Navalimpianti Spa | AUTOMATIC HOOKING DEVICE AND UNLOCKED COMMAND OF BLOCKS UNDER LOAD |
US11352237B2 (en) | 2020-01-29 | 2022-06-07 | Anders Ragnarsson | Self-powered grappler assembly |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3048288A (en) * | 1960-06-13 | 1962-08-07 | Paul M Dwyer | Material handling means |
US3310335A (en) * | 1965-10-13 | 1967-03-21 | Neil E Shuey | Load lifting mechanism |
US3413029A (en) * | 1966-08-01 | 1968-11-26 | Esco Corp | Material handling apparatus |
DE1481745A1 (en) * | 1967-03-01 | 1969-03-20 | Demag Zug Gmbh | Clamshell or multi-shell grab with its own closing drive for loose material or natural soil |
US3627371A (en) * | 1970-01-14 | 1971-12-14 | Billings R O | Hydraulically operated clamshell bucket |
-
1972
- 1972-02-23 CA CA135,419A patent/CA939702A/en not_active Expired
- 1972-02-25 GB GB878272A patent/GB1330093A/en not_active Expired
- 1972-03-09 US US00233114A patent/US3774954A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1330093A (en) | 1973-09-12 |
US3774954A (en) | 1973-11-27 |
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