Appareil de manutention a deplacement rectiligne vertical, utilisable notamment pour recolter les moules de bouchots

Mussel collecting attachment for tractor - has hydraulic cylinder to pivot arm which is mounted so that scraper bucket moves vertically

  • Inventors:
  • Assignees: Legros Henri
  • Publication Date: November 10, 1978
  • Publication Number: FR-2386989-A1

Abstract

<P>L'invention concerne un appareil de manutention comportant un bras mobile en rotation, dans un plan vertical, autour d'un axe et des moyens de compensation de trajectoire pour que l'extrémité du bras suive une trajectoire rectiligne verticale. </P><P>Ces moyens comprennent deux guides 7 incurvés parallèles dans lesquels coulisse une tige 8 portée par le bras 2 dans sa partie intermédiaire et deux guides 9 rectilignes parallèles dans lesquels coulisse l'axe de rotation 3 du bras. </P><P>Application à la collecte des moules de bouchots.</P>
An agricultural tractor (22) carries an attachment for collecting mussels (24) from stakes (23). A cylindrical support (4) is contained in a tubular guide (14) and has a hinged plate at its lower end to which a ground engaging plate is pivoted. Plates (11) carry curved guides (7) and straight guides (10) and are secured to support (4). A telescopic arm (2, 2a) is received in slot (12) in the support and carries pins (8, 3) whose ends are engaged in the guides (7, 19) respectively. Jack (18) causes arm (2) to move up and down so that bucket (6) moves vertically in a straight line enabling flexible scrapers (37) to engage around the stake and scrape it as the mussels are lifted off.

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