CA985220A - Continuous line yarder with traction and extensible sheave assemblies - Google Patents
Continuous line yarder with traction and extensible sheave assembliesInfo
- Publication number
- CA985220A CA985220A CA174,755A CA174755A CA985220A CA 985220 A CA985220 A CA 985220A CA 174755 A CA174755 A CA 174755A CA 985220 A CA985220 A CA 985220A
- Authority
- CA
- Canada
- Prior art keywords
- yarder
- extensible
- traction
- continuous line
- sheave assemblies
- 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
- 230000000712 assembly Effects 0.000 title 1
- 238000000429 assembly Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C21/00—Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US301128A US3874517A (en) | 1972-10-26 | 1972-10-26 | Continuous line yarder with traction and extensible sheave assemblies |
Publications (1)
Publication Number | Publication Date |
---|---|
CA985220A true CA985220A (en) | 1976-03-09 |
Family
ID=23162072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA174,755A Expired CA985220A (en) | 1972-10-26 | 1973-06-22 | Continuous line yarder with traction and extensible sheave assemblies |
Country Status (2)
Country | Link |
---|---|
US (1) | US3874517A (en) |
CA (1) | CA985220A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136786A (en) * | 1974-09-30 | 1979-01-30 | Skagit Corporation | Logging system and yarder therefor |
DE2642766C2 (en) * | 1976-09-23 | 1985-03-14 | Bönninghaus, geb. Kreuser, Magdalene, 4700 Hamm | Device for pulling shoring walls, panels, sheet piles or similar shoring elements for trench shoring |
US4103784A (en) * | 1977-04-29 | 1978-08-01 | The United States Of America As Represented By The Secretary Of Agriculture | Single line, traction driven running skyline system |
US7134645B1 (en) * | 2003-02-05 | 2006-11-14 | Advanced Design Consulting Usa | Winch assembly for use with synthetic ropes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US943032A (en) * | 1909-12-14 | Thomas Spencer Miller | Cableway. | |
US111188A (en) * | 1871-01-24 | Improvement in hoisting apparatus | ||
US2588037A (en) * | 1950-09-30 | 1952-03-04 | Orton Crane & Shovel Company | Tagline mechanism |
US3378232A (en) * | 1966-04-18 | 1968-04-16 | Humboldt Company | Regenerative interlocking yarder system |
US3323780A (en) * | 1966-07-07 | 1967-06-06 | Smith Berger Mfg Corp | Yarder |
US3407942A (en) * | 1967-02-23 | 1968-10-29 | Skagit Corp | Log yarding system |
US3436056A (en) * | 1967-09-07 | 1969-04-01 | Washington Iron Works | Drive system for yarder used in double main line logging |
US3584747A (en) * | 1969-07-31 | 1971-06-15 | Georgia Pacific Corp | Line shortener for grapple log-yarding apparatus |
-
1972
- 1972-10-26 US US301128A patent/US3874517A/en not_active Expired - Lifetime
-
1973
- 1973-06-22 CA CA174,755A patent/CA985220A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3874517A (en) | 1975-04-01 |
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