Non-Jamming shear pin assembly

A tree harvesting machine has delimbing knives which are fixed to arms having hubs fixed, by means of a shear pin assembly, to a rock shaft. The shear pin assembly includes a pair of headed pins which are inserted into opposite ends of first and second axially aligned bores respectively extending di...

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Bibliographische Detailangaben
Hauptverfasser:	MENZEL, ALVIN LEWIS, STOVER, DAVID EMMERT
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED ENGINEERING ELEMENTS AND UNITS FISHING FORESTRY GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HORTICULTURE HUMAN NECESSITIES HUNTING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL TRAPPING WATERING WEAPONS
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Beschreibung
Zusammenfassung:	A tree harvesting machine has delimbing knives which are fixed to arms having hubs fixed, by means of a shear pin assembly, to a rock shaft. The shear pin assembly includes a pair of headed pins which are inserted into opposite ends of first and second axially aligned bores respectively extending diametrically through the hub and shaft. A pair of retaining clips are secured to the hub by and are respectively urged against the pin heads by a pair of cap screws. The pins are dimensioned such that their respective inner ends are spaced from each other when the pins are installed.