GB1262674A - Pressure operated electrical switch - Google Patents
Pressure operated electrical switchInfo
- Publication number
- GB1262674A GB1262674A GB30986/71A GB3098671A GB1262674A GB 1262674 A GB1262674 A GB 1262674A GB 30986/71 A GB30986/71 A GB 30986/71A GB 3098671 A GB3098671 A GB 3098671A GB 1262674 A GB1262674 A GB 1262674A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spring
- lever
- cylinder
- guides
- fluid
- 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
- 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)
- Switches Operated By Changes In Physical Conditions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78514568A | 1968-12-19 | 1968-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1262674A true GB1262674A (en) | 1972-02-02 |
Family
ID=25134585
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30986/71A Expired GB1262674A (en) | 1968-12-19 | 1969-07-16 | Pressure operated electrical switch |
GB35921/69A Expired GB1262673A (en) | 1968-12-19 | 1969-07-16 | Safe load monitoring system for material handling apparatus |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB35921/69A Expired GB1262673A (en) | 1968-12-19 | 1969-07-16 | Safe load monitoring system for material handling apparatus |
Country Status (12)
Country | Link |
---|---|
US (1) | US3641551A (fi) |
BE (1) | BE742814A (fi) |
CH (1) | CH525150A (fi) |
DE (1) | DE1935031A1 (fi) |
DK (1) | DK127287B (fi) |
ES (1) | ES371261A1 (fi) |
FI (1) | FI49700C (fi) |
FR (1) | FR2026521A1 (fi) |
GB (2) | GB1262674A (fi) |
NL (1) | NL6913004A (fi) |
NO (1) | NO133661C (fi) |
SE (1) | SE355175B (fi) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112158780A (zh) * | 2020-09-14 | 2021-01-01 | 王海维 | 一种浮动式升举摆动连接装置 |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3740534A (en) * | 1971-05-25 | 1973-06-19 | Litton Systems Inc | Warning system for load handling equipment |
GB1358871A (en) * | 1971-06-25 | 1974-07-03 | Pye Ltd | Crane load indicator arrangement |
US4039084A (en) * | 1971-07-06 | 1977-08-02 | Tadano Ironworks Co., Ltd. | Safety-guard for a crane |
US3841493A (en) * | 1972-06-05 | 1974-10-15 | J Becker | Moment monitoring system for hydraulic-piston type cranes |
US3771667A (en) * | 1972-06-05 | 1973-11-13 | J Becker | Moment monitoring system for boom-cable type cranes |
US4003482A (en) * | 1972-11-27 | 1977-01-18 | Societe Anonyme Dite: Potain Poclain Materiel | Safety device for a crane |
US3833130A (en) * | 1973-04-20 | 1974-09-03 | Krupp Gmbh | Safety device for a top boom pivotally mounted on a crane boom |
US3819922A (en) * | 1973-05-02 | 1974-06-25 | Forney Eng Co | Crane load and radius indicating system |
DE2400310C3 (de) * | 1974-01-04 | 1981-02-26 | Erhard 5509 Kell Kirsten | Kippmomentsicherung für einen Teleskop-Auslegerkran |
DE2504445C2 (de) * | 1975-02-04 | 1977-03-24 | Krueger & Co Kg | Vorrichtung zur ueberwachung des lastmomentes eines verstellbaren kranauslegers |
US4236864A (en) * | 1978-11-09 | 1980-12-02 | Raymond Couture | Safety control system for the boom of a crane |
US4395706A (en) * | 1980-06-30 | 1983-07-26 | Jlg Industries, Inc. | Boom limit safety control circuit |
USRE32366E (en) * | 1980-06-30 | 1987-03-03 | Jlg Industries, Inc. | Boom limit safety control circuit |
US5263597A (en) * | 1991-09-18 | 1993-11-23 | Stewart James T | Crane load instrument and method therefor |
US5143232A (en) * | 1991-09-18 | 1992-09-01 | Stewart James T | Crane load instrument and method therefor |
US5160055A (en) * | 1991-10-02 | 1992-11-03 | Jlg Industries, Inc. | Load moment indicator system |
US5359516A (en) * | 1993-09-16 | 1994-10-25 | Schwing America, Inc. | Load monitoring system for booms |
US5877693A (en) * | 1998-05-27 | 1999-03-02 | Grove U.S. L.L.C. | Method and apparatus for measuring the length of a multi-section telescopic boom |
US6779961B2 (en) | 2001-10-29 | 2004-08-24 | Ingersoll-Rand Company | Material handler with electronic load chart |
US6991119B2 (en) | 2002-03-18 | 2006-01-31 | Jlg Industries, Inc. | Measurement system and method for assessing lift vehicle stability |
US7014054B2 (en) | 2002-07-01 | 2006-03-21 | Jlg Industries, Inc. | Overturning moment measurement system |
GB0416336D0 (en) * | 2004-07-22 | 2004-08-25 | Bamford Excavators Ltd | Method of operating a machine |
CN101670984B (zh) * | 2009-09-29 | 2012-06-06 | 长沙中联重工科技发展股份有限公司 | 单缸插销式伸缩臂轨迹的优化控制方法及控制系统 |
JP6121663B2 (ja) * | 2012-07-10 | 2017-04-26 | 株式会社タダノ | 作業車両 |
US9067768B1 (en) | 2012-12-14 | 2015-06-30 | Construction Innovations, Inc. | Crane rigging lighting system and method |
US10782202B2 (en) | 2017-07-28 | 2020-09-22 | Brandt Industries Canada Ltd. | Load moment indicator system and method |
US11319193B2 (en) | 2017-07-28 | 2022-05-03 | Brandt Industries Canada Ltd. | Monitoring system and method |
US10994970B2 (en) | 2019-07-29 | 2021-05-04 | Jim D. Wiethorn | Crane risk logic apparatus and system and method for use of same |
CN115010008B (zh) * | 2022-08-09 | 2022-10-21 | 山西省安装集团股份有限公司 | 一种锅炉安装用吊装装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1177303B (de) * | 1958-10-16 | 1964-09-03 | Krupp Ardelt Gmbh | Kippsicherung fuer einen Kran od. dgl. |
US2936847A (en) * | 1959-02-02 | 1960-05-17 | Jay M Eitel | Mobile lifting equipment with extensible boom structure |
DE1162987B (de) * | 1960-11-15 | 1964-02-13 | Demag Zug Gmbh | Mobilkran mit absenkbaren Pratzen zur Erhoehung der Standsicherheit und laengenveraenderbarem Ausleger |
GB1000613A (en) * | 1963-02-06 | 1965-08-11 | British Hoist & Crane Company | Safe load indicators for jib cranes |
US3371800A (en) * | 1966-07-21 | 1968-03-05 | Grove Mfg Co | Safe load control device for cranes |
US3534355A (en) * | 1967-03-28 | 1970-10-13 | Dole Valve Co | Load warning device |
US3489294A (en) * | 1968-04-25 | 1970-01-13 | Bucyrus Erie Co | Load limit control for hoisting equipment |
-
1968
- 1968-12-19 US US785145A patent/US3641551A/en not_active Expired - Lifetime
-
1969
- 1969-07-10 DE DE19691935031 patent/DE1935031A1/de active Pending
- 1969-07-16 GB GB30986/71A patent/GB1262674A/en not_active Expired
- 1969-07-16 GB GB35921/69A patent/GB1262673A/en not_active Expired
- 1969-08-15 NO NO3324/69A patent/NO133661C/no unknown
- 1969-08-26 NL NL6913004A patent/NL6913004A/xx unknown
- 1969-09-05 ES ES371261A patent/ES371261A1/es not_active Expired
- 1969-12-08 FR FR6942351A patent/FR2026521A1/fr not_active Withdrawn
- 1969-12-08 BE BE742814D patent/BE742814A/xx unknown
- 1969-12-16 CH CH1867569A patent/CH525150A/de not_active IP Right Cessation
- 1969-12-17 FI FI693667A patent/FI49700C/fi active
- 1969-12-18 SE SE17469/69A patent/SE355175B/xx unknown
- 1969-12-19 DK DK672269AA patent/DK127287B/da unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112158780A (zh) * | 2020-09-14 | 2021-01-01 | 王海维 | 一种浮动式升举摆动连接装置 |
CN112158780B (zh) * | 2020-09-14 | 2022-08-05 | 王海维 | 一种浮动式升举摆动连接装置 |
Also Published As
Publication number | Publication date |
---|---|
NO133661C (fi) | 1976-06-09 |
FI49700C (fi) | 1975-09-10 |
BE742814A (fi) | 1970-05-14 |
NO133661B (fi) | 1976-03-01 |
GB1262673A (en) | 1972-02-02 |
US3641551A (en) | 1972-02-08 |
CH525150A (de) | 1972-07-15 |
SE355175B (fi) | 1973-04-09 |
FR2026521A1 (fi) | 1970-09-18 |
FI49700B (fi) | 1975-06-02 |
DE1935031A1 (de) | 1970-07-16 |
DK127287B (da) | 1973-10-15 |
NL6913004A (fi) | 1970-06-23 |
ES371261A1 (es) | 1971-09-01 |
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