FR671648A - Improvements to pulleys-hoists - Google Patents
Improvements to pulleys-hoistsInfo
- Publication number
- FR671648A FR671648A FR671648DA FR671648A FR 671648 A FR671648 A FR 671648A FR 671648D A FR671648D A FR 671648DA FR 671648 A FR671648 A FR 671648A
- Authority
- FR
- France
- Prior art keywords
- hoists
- pulleys
- 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
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
- B66D3/10—Applications of braking or detent devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR671648T | 1929-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR671648A true FR671648A (en) | 1929-12-16 |
Family
ID=9017067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR671648D Expired FR671648A (en) | 1929-03-18 | 1929-03-18 | Improvements to pulleys-hoists |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR671648A (en) |
-
1929
- 1929-03-18 FR FR671648D patent/FR671648A/en not_active Expired
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