ES454533A1 - Podadera hidraulica. - Google Patents
Podadera hidraulica.Info
- Publication number
- ES454533A1 ES454533A1 ES454533A ES454533A ES454533A1 ES 454533 A1 ES454533 A1 ES 454533A1 ES 454533 A ES454533 A ES 454533A ES 454533 A ES454533 A ES 454533A ES 454533 A1 ES454533 A1 ES 454533A1
- Authority
- ES
- Spain
- Prior art keywords
- hydraulic
- secateurs
- communication
- piston
- slide valve
- 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
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/033—Secateurs; Flower or fruit shears having motor-driven blades
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Shearing Machines (AREA)
- Scissors And Nippers (AREA)
Abstract
Podadera hidráulica, particularmente para trabajos de poda o de recolección en arboricultura, viticultura u horticultura, del tipo de las que comprenden dos cuchillas de las cuales, cuanto menos, una de las cuchillas es móvil y está accionada por un dispositivo hidráulico que comprende: por una parte, un émbolo de arrastre vinculado mecánicamente a dicha cuchilla móvil y montado con facultad de deslizamiento a lo largo de una cavidad longitudinal prevista en la empuñadura de dicha podadera; y por otra parte, un distribuidor hidráulico, que gobierna los movimientos del émbolo y está constituido por una corredera distribuidora que se desplaza en el interior de una camisa cilíndrica dispuesta en la parte posterior del citado émbolo de arrastre y, perpendicularmente al eje de este último, caracterizada porque dicha camisa está provista de ranuras periféricas recíprocamente separadas en las cuales desembocan orificios radiales que presenta su tabique lateral, estando situada una de dichas ranuras periféricas en comunicación permanente con un orificio que comunica con la cavidad en la cual se desplaza el referido émbolo y pudiendo ser puesta en comunicación, según la posición de la mencionada corredera distribuidora, bien sea con la ranura que se encuentra en comunicación constante con la llegada de fluido hidráulico a presión, bien sea con la ranura que se halla permanentemente comunicante con el orificio de retorno de dicho fluido.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7540194A FR2336072A1 (fr) | 1975-12-24 | 1975-12-24 | Secateur hydraulique |
FR7631808A FR2367422A2 (fr) | 1975-12-24 | 1976-10-15 | Secateur hydraulique |
Publications (1)
Publication Number | Publication Date |
---|---|
ES454533A1 true ES454533A1 (es) | 1978-04-16 |
Family
ID=26219221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES454533A Expired ES454533A1 (es) | 1975-12-24 | 1976-12-23 | Podadera hidraulica. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4109381A (es) |
DE (1) | DE2657866A1 (es) |
ES (1) | ES454533A1 (es) |
FR (1) | FR2367422A2 (es) |
IT (1) | IT1072243B (es) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2419453A1 (fr) * | 1978-03-09 | 1979-10-05 | Pellenc & Motte | Dispositif d'accouplement de flexibles coaxiaux d'alimentation et de retour, aux machines et appareils hydrauliques |
FR2469112A1 (fr) * | 1979-11-13 | 1981-05-22 | Pellenc & Motte | Secateur hydraulique a asservissement en position |
EP0079907B1 (en) * | 1981-05-28 | 1985-12-11 | Prutec Limited | Shearing tool |
US5185932A (en) * | 1982-06-03 | 1993-02-16 | Caines R Scott | Robotic fluid-actuated muscle analogue tree trimmer |
US4707918A (en) * | 1986-02-28 | 1987-11-24 | Agricultural Producers | Powered clipper for citrus fruits and the like |
FR2595901B1 (fr) * | 1986-03-18 | 1989-03-24 | Gallee Bernard | Secateur a air comprime pour taillage des arbres |
FR2614568B1 (fr) * | 1987-04-28 | 1989-07-28 | Pellenc & Motte | Outil electrique portable a asservissement en position |
US4949461A (en) * | 1989-03-01 | 1990-08-21 | Merwe Jacobus C V D | Dual control handle for pneumatic tree trimmer |
US4967474A (en) * | 1990-03-26 | 1990-11-06 | Wells Andrew J | Hand-held power-operated shears |
US5152713A (en) * | 1991-09-05 | 1992-10-06 | Vac-Air, Inc. | Universal power head for hand operated tools |
US5341572A (en) * | 1993-03-11 | 1994-08-30 | Yigal Michelson | Hydraulic pruning tool |
US5950313A (en) * | 1993-10-06 | 1999-09-14 | Bettcher Industries, Inc. | Blades for hand held power operated shears |
US5375330A (en) * | 1993-10-06 | 1994-12-27 | Bettcher Industries, Inc. | Hand held power operated shears |
AUPN851696A0 (en) * | 1996-03-07 | 1996-03-28 | Gasweld Pty. Ltd. | A shearing device |
ES2120366B1 (es) * | 1996-06-13 | 1999-05-01 | Tecnologico Robotiker Centro | Procedimiento de desmontaje robotizado de aparatos electricos y herramienta correspondiente. |
US5918370A (en) * | 1997-10-09 | 1999-07-06 | Jarvis Products Corporation | Hand held power assisted shears |
ITBO20010475A1 (it) * | 2001-07-24 | 2003-01-24 | C P M S A S Di Bulgarelli Elio | Dispositivo di trasmissione del moto per una cesoia |
US6662452B2 (en) | 2002-04-22 | 2003-12-16 | Bettcher Industries, Inc. | Power operated rotary knife |
US20040194320A1 (en) * | 2003-04-02 | 2004-10-07 | Jung-Te Hsieh | Apparatus for pruning high branches |
ATE347961T1 (de) * | 2003-07-30 | 2007-01-15 | Trumpf Gruesch Ag | Maschinelles handwerkzeug zum bearbeiten von werkstücken, insbesondere in form einer schere zum schlitzen von blechen |
US20080028619A1 (en) * | 2006-06-23 | 2008-02-07 | The Stanley Works | Heavy duty material processing shears |
US20080010837A1 (en) * | 2006-07-12 | 2008-01-17 | William Weissenborn | Fluid-driven cutting device |
KR100812711B1 (ko) | 2006-11-07 | 2008-03-12 | 상지대학교산학협력단 | 유압식 전동가위장치 |
US8968420B2 (en) * | 2008-04-17 | 2015-03-03 | Warsaw Orthopedic, Inc. | Surgical prosthetic device cutting tool |
CN104695901B (zh) * | 2015-02-17 | 2017-03-01 | 李锋 | 机械式泄油器及其使用方法 |
CN105145136A (zh) * | 2015-10-15 | 2015-12-16 | 丹阳市香逸林果专业合作社 | 一种修剪樱花的剪刀 |
CN108943081A (zh) * | 2018-09-03 | 2018-12-07 | 太湖县金珂乐特色食品开发有限责任公司 | 一种山野菜剪切装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733506A (en) * | 1956-02-07 | Power shears | ||
US2699756A (en) * | 1950-09-15 | 1955-01-18 | Leonidas C Miller | Reciprocating pneumatic actuator for tools |
DE1482979A1 (de) * | 1965-09-23 | 1969-06-26 | Carnesecca Egidio Carl | Kraftwerkzeug |
US3476015A (en) * | 1968-02-13 | 1969-11-04 | Edward L Ackley | Valved,fluid-operated actuator assembly |
FR2190346B3 (es) * | 1972-06-29 | 1975-08-29 | Lavijerie Jacqu S | |
DD98599A1 (es) * | 1972-08-23 | 1973-07-12 | ||
US3922782A (en) * | 1974-11-29 | 1975-12-02 | New Draulics Inc | Open system fluid driven pruner |
-
1976
- 1976-10-15 FR FR7631808A patent/FR2367422A2/fr active Granted
- 1976-12-14 US US05/750,526 patent/US4109381A/en not_active Expired - Lifetime
- 1976-12-17 IT IT70011/76A patent/IT1072243B/it active
- 1976-12-21 DE DE19762657866 patent/DE2657866A1/de not_active Withdrawn
- 1976-12-23 ES ES454533A patent/ES454533A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1072243B (it) | 1985-04-10 |
FR2367422A2 (fr) | 1978-05-12 |
FR2367422B2 (es) | 1983-04-29 |
DE2657866A1 (de) | 1977-07-07 |
US4109381A (en) | 1978-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19991007 |