GB776846A - Spring drum apparatus - Google Patents
Spring drum apparatusInfo
- Publication number
- GB776846A GB776846A GB11087/55A GB1108755A GB776846A GB 776846 A GB776846 A GB 776846A GB 11087/55 A GB11087/55 A GB 11087/55A GB 1108755 A GB1108755 A GB 1108755A GB 776846 A GB776846 A GB 776846A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spring
- drum
- container
- cable
- shaft
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
- B25H1/0028—Tool balancers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
776,846. Spring drum apparatus. CHICAGO PNEUMATIC TOOL CO. April 18, 1955 April 27, 1954], No. 11087/55. Class 78 (2). A spring drum apparatus has a cable drum housing 17, a cable drum 37 arranged to enclose spring devices 44, each such device including a spring container 48 rotatable on the shaft 29 and a spring 47 affixed to both shaft and container. As shown, each spring 47 connecting shaft 29 and its respective container 48 is wound up by worm and worm gear so that its cam 51 presses against its respective spring- influenced plunger 66 to cause arm 62 to be withdrawn inside cable drum 37. The latter then acts as a normal spring drum until a spring breaks, at which point the plungers 66 force out arm 62 through slot 63 formed in drum 37 to engage lugs 65 formed on the stationary housing 17 and support the load on the cable.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US776846XA | 1954-04-27 | 1954-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB776846A true GB776846A (en) | 1957-06-12 |
Family
ID=22139486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11087/55A Expired GB776846A (en) | 1954-04-27 | 1955-04-18 | Spring drum apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB776846A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014170513A1 (en) * | 2013-04-16 | 2014-10-23 | Matrival, S.L. | Safety device for using elements that are suspended while being handled |
-
1955
- 1955-04-18 GB GB11087/55A patent/GB776846A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014170513A1 (en) * | 2013-04-16 | 2014-10-23 | Matrival, S.L. | Safety device for using elements that are suspended while being handled |
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