Exercise devices – Striking
Patent
1998-12-08
2000-03-07
Donnelly, Jerome
Exercise devices
Striking
87 90, 472441, A63B 2100
Patent
active
060333499
ABSTRACT:
A joint for releasably and pivotally connecting a mannequin to a support structure as might be used, for example in simulating martial arts skills such as those associated with judo, wrestling, jujitsu, akido, karate, taekwon do, etc. and other body contact sports including football, rugby and the like and in related testing, training and rehabilitative programs. The support structure includes a pivot member connected to the mannequin having a semispherical shaped pivot contact surface and an annular ring connected to the support having an annular ring contact surface for receiving the pivot member which permits circumductal rotation of the pivot member in the ring. A connector connects the pivot member to a resisting force which acts to constrain the pivot member within the ring against the ring contact surface and to permit pivotal movement of the pivot member within the ring against the force of the resisting force. A release member acts on the connector to release the resisting force from the pivot member to permit removal of the pivot member from the ring upon pivotal movement of the pivot member past a determined point, thereby releasing the mannequin from the base.
REFERENCES:
patent: 3281148 (1966-10-01), Cummins
patent: 3399891 (1968-09-01), McCormick et al.
patent: 4401303 (1983-08-01), Anderson et al.
patent: 5254062 (1993-10-01), Hoffman
patent: 5385523 (1995-01-01), Forrest
patent: 5554088 (1996-09-01), Zlojutro
patent: 5688212 (1997-11-01), Walker
patent: 5863279 (1999-01-01), Pouliot
Donnelly Jerome
Medical Plastics Laboratory, Inc.
PTM Equipment Inc.
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