CA986392A - Collapsible link for a tree shear - Google Patents

Collapsible link for a tree shear

Info

Publication number
CA986392A
CA986392A CA178,668A CA178668A CA986392A CA 986392 A CA986392 A CA 986392A CA 178668 A CA178668 A CA 178668A CA 986392 A CA986392 A CA 986392A
Authority
CA
Canada
Prior art keywords
collapsible link
tree shear
tree
shear
collapsible
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
Application number
CA178,668A
Other languages
English (en)
Other versions
CA178668S (en
Inventor
Earl C. Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deere and Co
Original Assignee
Deere and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deere and Co filed Critical Deere and Co
Application granted granted Critical
Publication of CA986392A publication Critical patent/CA986392A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/08—Felling trees
    • A01G23/087—Shearing apparatus or the like specially adapted for felling trees
    • A01G23/089—Shearing apparatus or the like specially adapted for felling trees having two or more shears
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2142—Pitmans and connecting rods
    • Y10T74/2144—Yieldable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2142—Pitmans and connecting rods
    • Y10T74/2144—Yieldable
    • Y10T74/2148—Automatic release
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2142—Pitmans and connecting rods
    • Y10T74/2144—Yieldable
    • Y10T74/2148—Automatic release
    • Y10T74/2149—Automatic release toggle link type

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Transmission Devices (AREA)
  • Agricultural Machines (AREA)
CA178,668A 1973-04-04 1973-08-13 Collapsible link for a tree shear Expired CA986392A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00347838A US3808909A (en) 1973-04-04 1973-04-04 Collapsible link for a tree shear

Publications (1)

Publication Number Publication Date
CA986392A true CA986392A (en) 1976-03-30

Family

ID=23365496

Family Applications (1)

Application Number Title Priority Date Filing Date
CA178,668A Expired CA986392A (en) 1973-04-04 1973-08-13 Collapsible link for a tree shear

Country Status (8)

Country Link
US (1) US3808909A (sv)
CA (1) CA986392A (sv)
DE (1) DE2411353A1 (sv)
FI (1) FI51542C (sv)
FR (1) FR2224258B1 (sv)
IT (1) IT1004084B (sv)
NO (1) NO136483C (sv)
SE (1) SE418561B (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862652A (en) * 1974-02-07 1975-01-28 Deere & Co Tree shear head
US3888287A (en) * 1974-04-10 1975-06-10 Deere & Co Blade for tree shear having vertically swingable blade support arms
US4077446A (en) * 1977-03-07 1978-03-07 Deere & Company Tree shear actuator restraint system
US4077447A (en) * 1977-03-07 1978-03-07 Deere & Company Tree shear actuator restraint system
DE3919193C1 (sv) * 1989-06-13 1990-05-23 Markgraf, Karl, 3181 Bahrdorf, De
CN111357597B (zh) * 2020-03-09 2022-05-31 罗冬东 一种驱动式西谷椰子树淀粉刮取装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767597A (en) * 1952-10-23 1956-10-23 Traylor Engineering & Mfg Comp Safety toggle
US3675691A (en) * 1969-09-03 1972-07-11 Koehring Waterous Ltd Tree harvesting apparatus
US3768528A (en) * 1971-12-10 1973-10-30 R Barwise Tree trunk shear

Also Published As

Publication number Publication date
NO136483B (sv) 1977-06-06
FI51542C (sv) 1977-02-10
NO136483C (no) 1977-09-14
SE418561B (sv) 1981-06-15
FR2224258A1 (sv) 1974-10-31
NO741169L (no) 1974-10-07
DE2411353C3 (sv) 1975-11-20
US3808909A (en) 1974-05-07
FI51542B (sv) 1976-11-01
DE2411353B2 (sv) 1975-03-27
DE2411353A1 (de) 1974-10-31
IT1004084B (it) 1976-07-10
FR2224258B1 (sv) 1976-06-25

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