Tooth and Adaptor Assembly

A tooth for releasably attaching to an adaptor coupled to or mounted on an excavation tool, the tooth comprising:

• a) a longitudinal body comprising a front tip portion configured for excavating disposed on one end and a rear portion disposed on an opposing end;
• b) a socket disposed on the rear portion, the socket comprising a mouth, a side wall and an interior mating surface configured for a sliding fit onto an exterior surface of an adaptor;
• and
• c) at least one leg extension extending from the longitudinal body, the leg extension further comprising at least one inwardly pointing hook.

A tooth and adaptor assembly for an excavation tool, the assembly comprising:

• a) an adaptor comprising:
• i) a rear portion configured for attaching to an excavation tool,
• ii) a front portion configured for a sliding fit with a corresponding socket disposed on a tooth,
• iii) an intermediate portion comprising an exterior surface and a base adjacent to the rear portion, the intermediate portion narrowing in cross-sectional area from the base to the front portion,
• iv) a wedge portion extending from a sidewall disposed on the intermediate portion, and
• v) a socket cavity disposed in the sidewall near the wedge portion wherein a passageway is formed when a leg extension extending from the tooth is inserted into the socket cavity when the tooth is seated on the adaptor, the passageway configured to receive a retainer pin for releasably attaching the tooth to the adaptor;
• and
• b) the tooth configured to releasably attach to the adaptor, the tooth comprising:
• i) a longitudinal body comprising a front tip portion configured for excavating disposed on one end and a rear portion disposed on an opposing end,
• ii) a socket disposed on the rear portion, the socket comprising a mouth, a side wall and an interior mating surface configured for a sliding fit onto an exterior surface of an adaptor, and
• iii) at least one leg extension extending from the longitudinal body, the leg extension further comprising at least one inwardly pointing hook.