GB1421738A - - Google Patents
Info
- Publication number
- GB1421738A GB1421738A GB777072A GB777072A GB1421738A GB 1421738 A GB1421738 A GB 1421738A GB 777072 A GB777072 A GB 777072A GB 777072 A GB777072 A GB 777072A GB 1421738 A GB1421738 A GB 1421738A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blade
- comb
- teeth
- feb
- carries
- 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
-
- 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
- A01G3/04—Apparatus for trimming hedges, e.g. hedge shears
- A01G3/047—Apparatus for trimming hedges, e.g. hedge shears portable
- A01G3/053—Apparatus for trimming hedges, e.g. hedge shears portable motor-driven
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
1421738 Hedge trimmer DUNLOP LTD 9 Feb 1973 [19 Feb 1972 (2) 2 Nov 1972] 7770/72 7771/72 and 50652/72 Heading A1E A light-weight hedge trimmer comprises a housing 1 on which a comb 2 of flattened tubular form is mounted on a spigot 3. A thin steel cutting blade 8 has teeth 9 exposed in notches 10 formed along one edge of the flattened portion of the comb 2. An electric motor 17 drives a pinion 19 which in turn drives a wheel 24 which carries a crank pin 27. An extended portion 29 of the blade 8 is looped around a bush 28 on the crank pin so that it flexes from side to side while transmitting the reciprocating motion to the blade when the crank rotates. The cutting action is provided by the teeth of the blade 8 working with teeth 13a cut in a hardened steel ledger plate fitted inside the comb. Adjustment of the centre distance between gears 19 and 24 is obtained by suitable rotational positioning of an insert 30 which carries an eccentrically mounted spindle 26. In an alternative embodiment the comb 2 is manufactured from a plastics material as is the flexible part of the blade, steel inserts providing the cutting edges.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB777072A GB1421738A (en) | 1972-02-19 | 1972-02-19 | |
DE19732307984 DE2307984A1 (en) | 1972-02-19 | 1973-02-17 | Reciprocating cutting device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB777072A GB1421738A (en) | 1972-02-19 | 1972-02-19 | |
GB777172 | 1972-02-19 | ||
GB5065272 | 1972-11-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1421738A true GB1421738A (en) | 1976-01-21 |
Family
ID=27255059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB777072A Expired GB1421738A (en) | 1972-02-19 | 1972-02-19 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2307984A1 (en) |
GB (1) | GB1421738A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4619045A (en) * | 1984-06-26 | 1986-10-28 | Andreas Stihl | Hedge trimmer |
GB2280632A (en) * | 1993-07-21 | 1995-02-08 | Geoffrey Denis Hayday | Reciprocating cutter blades of power driven tools |
ITFI20090087A1 (en) * | 2009-04-29 | 2010-10-30 | Borselli Ademaro | SPUNNING MACHINE FOR PLANTS IN VASE AND IN EARTH. |
WO2011154041A1 (en) * | 2010-06-10 | 2011-12-15 | Husqvarna Ab | Electric power tools |
CN105284437A (en) * | 2014-07-11 | 2016-02-03 | 百得有限公司 | Vegetation cutting device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2642263B1 (en) * | 1989-02-09 | 1994-02-04 | Ars Edge Co Ltd | CUTTING MACHINE FOR GARDENING |
-
1972
- 1972-02-19 GB GB777072A patent/GB1421738A/en not_active Expired
-
1973
- 1973-02-17 DE DE19732307984 patent/DE2307984A1/en not_active Ceased
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4619045A (en) * | 1984-06-26 | 1986-10-28 | Andreas Stihl | Hedge trimmer |
GB2280632A (en) * | 1993-07-21 | 1995-02-08 | Geoffrey Denis Hayday | Reciprocating cutter blades of power driven tools |
ITFI20090087A1 (en) * | 2009-04-29 | 2010-10-30 | Borselli Ademaro | SPUNNING MACHINE FOR PLANTS IN VASE AND IN EARTH. |
WO2011154041A1 (en) * | 2010-06-10 | 2011-12-15 | Husqvarna Ab | Electric power tools |
CN105284437A (en) * | 2014-07-11 | 2016-02-03 | 百得有限公司 | Vegetation cutting device |
Also Published As
Publication number | Publication date |
---|---|
DE2307984A1 (en) | 1973-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |