FR2429551A1 - SAFETY CUTTING DEVICE FOR ROTARY MOWER - Google Patents
SAFETY CUTTING DEVICE FOR ROTARY MOWERInfo
- Publication number
- FR2429551A1 FR2429551A1 FR7902325A FR7902325A FR2429551A1 FR 2429551 A1 FR2429551 A1 FR 2429551A1 FR 7902325 A FR7902325 A FR 7902325A FR 7902325 A FR7902325 A FR 7902325A FR 2429551 A1 FR2429551 A1 FR 2429551A1
- Authority
- FR
- France
- Prior art keywords
- cutting
- cutting device
- rotary mower
- safety cutting
- safety
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/73—Cutting apparatus
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
Dispositif de coupe de sûreté pour tondeuse rotative. Il comprend un moyeu circulaire duquel partent vers l'extérieur plusieurs lames de coupe formant entre elles des angles égaux. Chaque lame présente, sur ses bords opposés, deux arêtes de coupe, l'une pour la coupe des herbes hautes et l'autre pour la coupe des herbes courtes. Domaine d'application : tondeuses à gazon, débroussailleuses, etcSafety cutting device for rotary mower. It comprises a circular hub from which several cutting blades extend outwardly forming equal angles between them. Each blade has two cutting edges on its opposite edges, one for cutting tall grass and the other for cutting short grass. Area of application: lawn mowers, brush cutters, etc.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US91916478A | 1978-06-26 | 1978-06-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2429551A1 true FR2429551A1 (en) | 1980-01-25 |
FR2429551B1 FR2429551B1 (en) | 1984-01-06 |
Family
ID=25441621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7902325A Granted FR2429551A1 (en) | 1978-06-26 | 1979-01-30 | SAFETY CUTTING DEVICE FOR ROTARY MOWER |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS553790A (en) |
CA (1) | CA1093845A (en) |
DE (1) | DE2922013A1 (en) |
FR (1) | FR2429551A1 (en) |
GB (1) | GB2023390B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2498884A1 (en) * | 1981-01-30 | 1982-08-06 | Courtois Michel | Cutter for tree pruner - comprises rigid planar radial arms with two blades along each leading edge and cutting teeth on tips |
EP0201014A1 (en) * | 1985-05-08 | 1986-11-12 | Bayerische und Tiroler Sensen-Union GmbH | Cutting device for lawn mowers |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55151129U (en) * | 1979-04-19 | 1980-10-31 | ||
JPS55152937U (en) * | 1979-04-19 | 1980-11-04 | ||
EP0280393B1 (en) * | 1987-01-23 | 1992-08-26 | Paul Richard Adcock | Blade for rotary lawnmowers and the like |
US5620055A (en) * | 1989-05-02 | 1997-04-15 | Javerlhac Jean C | Plow disk of the type intended to be mounted free in rotation on a shaft integral with the frame of a plow |
US5495897A (en) * | 1989-05-02 | 1996-03-05 | Javerlhac Jean C | Plow disk of the type intended to be mounted free in rotation on a shaft integral with the frame of a plow |
US5287686A (en) * | 1992-08-14 | 1994-02-22 | Lindsay David P | Anti-scalping blade for rotary lawn mower |
US6467246B1 (en) * | 1999-03-24 | 2002-10-22 | Deere & Company | Knife section having breakage holes |
US6470662B1 (en) | 2000-10-31 | 2002-10-29 | Terry A. Burke | Multiple blade cutting apparatus for rotary lawn mower |
US6938402B2 (en) | 2002-11-01 | 2005-09-06 | Deere & Company | Mowing blades having an impact energy absorbing structure |
CN104472239B (en) * | 2014-11-26 | 2016-05-11 | 济南大学 | A kind of clipping device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1115677A (en) * | 1954-12-02 | 1956-04-27 | Lawn mower | |
US3087298A (en) * | 1960-08-19 | 1963-04-30 | Sr Walter J Phillips | Rotary mower blade |
GB977308A (en) * | 1959-12-31 | 1964-12-09 | Bisset & Sons Ltd J | Cutter for a digger for root crops |
FR92900E (en) * | 1966-09-14 | 1969-01-10 | Dayco Corp | Mower blade, especially for lawns. |
US3563015A (en) * | 1968-05-21 | 1971-02-16 | Charlie C Renfroe | Rotary lawnmower cutter bar |
US3781991A (en) * | 1971-09-17 | 1974-01-01 | Textron Inc | Brush cutter |
US3911652A (en) * | 1974-01-11 | 1975-10-14 | Houle Elmer Richard | Safety blade for rotary lawn mowers |
-
1978
- 1978-12-05 GB GB7847203A patent/GB2023390B/en not_active Expired
- 1978-12-26 JP JP16445678A patent/JPS553790A/en active Pending
-
1979
- 1979-01-24 CA CA320,197A patent/CA1093845A/en not_active Expired
- 1979-01-30 FR FR7902325A patent/FR2429551A1/en active Granted
- 1979-05-30 DE DE19792922013 patent/DE2922013A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1115677A (en) * | 1954-12-02 | 1956-04-27 | Lawn mower | |
GB977308A (en) * | 1959-12-31 | 1964-12-09 | Bisset & Sons Ltd J | Cutter for a digger for root crops |
US3087298A (en) * | 1960-08-19 | 1963-04-30 | Sr Walter J Phillips | Rotary mower blade |
FR92900E (en) * | 1966-09-14 | 1969-01-10 | Dayco Corp | Mower blade, especially for lawns. |
US3563015A (en) * | 1968-05-21 | 1971-02-16 | Charlie C Renfroe | Rotary lawnmower cutter bar |
US3781991A (en) * | 1971-09-17 | 1974-01-01 | Textron Inc | Brush cutter |
US3911652A (en) * | 1974-01-11 | 1975-10-14 | Houle Elmer Richard | Safety blade for rotary lawn mowers |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2498884A1 (en) * | 1981-01-30 | 1982-08-06 | Courtois Michel | Cutter for tree pruner - comprises rigid planar radial arms with two blades along each leading edge and cutting teeth on tips |
EP0201014A1 (en) * | 1985-05-08 | 1986-11-12 | Bayerische und Tiroler Sensen-Union GmbH | Cutting device for lawn mowers |
Also Published As
Publication number | Publication date |
---|---|
GB2023390B (en) | 1982-08-18 |
GB2023390A (en) | 1980-01-03 |
CA1093845A (en) | 1981-01-20 |
FR2429551B1 (en) | 1984-01-06 |
JPS553790A (en) | 1980-01-11 |
DE2922013A1 (en) | 1980-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |