| http://www.w3.org/ns/prov#value | - The bias member 80 may include a spring as shown in FIG. 7 a or other suitable mechanism for providing a bias force to return the pawl 74 to the position in which the pawl surface 76 engages the catch surface 65 of a tooth 64, including, but not limited to a permanent magnet, electromagnet, electronic or thermal linear actuator, shaped memory allow actuator, or the like.
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