Patent ID: 6729205
Filing Date: 2004-05-04
Classification: A61B,Y10T

Abstract:
A multi-position ratchet mechanism comprising:a ratchet holder having a passage within the ratchet holder and a retractor slot extending through the retractor holder; a locking mechanism connected to said ratchet holder and having a grip actuation lever extending outside of said passage for ready actuation by a user, said locking mechanism having a grip normally biased into said passage, and operation of the grip actuation lever moving the grip out of the passage; a base pivotably connected at a base pivot to the ratchet holder about a pivot axis; a ratchet extending from said base into said passage of said ratchet holder and operatively engaging said grip whereby a pivot angle of the ratchet holder with respect to said base may be selectively varied; a pawl connected to said ratchet holder and having a pawl actuation lever extending outside of said retractor slot for ready actuation by a user, said locking mechanism having a pawl blade normally biased into said retractor slot, and operation of the pawl actuation lever moving the pawl blade out of the retractor slot; and a ring holder having a ring slot, said ring holder rotatable relative to the base about a rotation axis in a first configuration; said rotation axis non-colinear with said pivot axis.