B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 3/08 (2006.01) B66F 3/12 (2006.01)
Patent
CA 2052029
A drive head for the screw of a scissors jack which is formed in the shape of a wing nut which has a hexagonal socket formed between opposed walls so that a conventional folding lug wrench can be used by inserting its hex tube into the hexagonal socket to drive it. In the event of overload, the lug wrench will slip relative to the wing nut so as to prevent excessive loads and stresses upon the jack.
La présente invention porte sur une tête d'entraînement utilisée pour entraîner la vis d'un cric à parallélogramme. La tête d'entraînement a la forme d'un écrou à oreilles comportant, entre ses parois opposées, une douille à six pans creux dans laquelle le tube hexagonal d'une clé à tige pliable classique peut être inséré pour assurer l'entraînement. En cas de surcharge, la clé à tige glissera en fonction de la position de l'écrou à oreilles, de manière à prévenir les charges et les tensions excessives sur le cric.
Ridout & Maybee Llp
Universal Tool & Stamping Co. Inc.
LandOfFree
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