GB379866A - Improvements in lawn edge trimming machine - Google Patents

Improvements in lawn edge trimming machine

Info

Publication number
GB379866A
GB379866A GB2570831A GB2570831A GB379866A GB 379866 A GB379866 A GB 379866A GB 2570831 A GB2570831 A GB 2570831A GB 2570831 A GB2570831 A GB 2570831A GB 379866 A GB379866 A GB 379866A
Authority
GB
United Kingdom
Prior art keywords
blade
axle
frame
arm
pinion
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
GB2570831A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2570831A priority Critical patent/GB379866A/en
Publication of GB379866A publication Critical patent/GB379866A/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
    • A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/06—Hand-held edge trimmers or shears for lawns

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Soil Working Implements (AREA)

Abstract

379,866. Lawn-trimmers. ROWE, J. C., 78, Murray Street, Caulfield, Victoria, Australia. Sept. 14, 1931, No. 25708. [Class 6 (ii).] In lawn edge trimmers comprising a ground wheel 16, frame 10, fixed and movable shear blades 19, 19a, and a pinion 18 engaging teeth 17 on the interior of the wheel 16, the pinion being connected to operate the movable blade 19a, cheeks 12 on the frame have holes 14 in selected pairs whereof the ground wheel axle 15 is supported so as to adjust the height of the frame and shears. The axle 18a of the pinion 18 may carry cam members 20, 23 respectively for closing and opening the blades. The cam 20 has striking faces adapted intermittently to engage a roller 21 on an arm 21a attached to the blade 19a and the cam 23 has intermediate striking faces adapted to engage an arm 24. A pin 25 attached to the blade 19a slides in a slot 24c in the arm 24 which is pivoted to the frame. A volute spring 22 may be provided between the blades to assist opening. The movable blade is pressed towards the fixed blade by an adjustable screw. The block 19a may be driven from the axle 18a by a crank or the axle may carry an eccentric with its strap having an arm coupled to the blade. A free-wheel device may be provided. The teeth 17 may be shrouded and the mechanism enclosed in a cover.
GB2570831A 1931-09-14 1931-09-14 Improvements in lawn edge trimming machine Expired GB379866A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2570831A GB379866A (en) 1931-09-14 1931-09-14 Improvements in lawn edge trimming machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2570831A GB379866A (en) 1931-09-14 1931-09-14 Improvements in lawn edge trimming machine

Publications (1)

Publication Number Publication Date
GB379866A true GB379866A (en) 1932-09-08

Family

ID=10231999

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2570831A Expired GB379866A (en) 1931-09-14 1931-09-14 Improvements in lawn edge trimming machine

Country Status (1)

Country Link
GB (1) GB379866A (en)

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