Multi-functional ratchet and associated method

Details Multi-functional ratchet and associated method Multi-functional ratchet and associated method

2008-05-27

2008-05-27

Marcelo, Emmanuel M (Department: 3654)

Implements or apparatus for applying pushing or pulling force

Portable implements or apparatus for tensioning flexible...

Including rotatably driven drum for engaging either material...

C254S223000, C024S0680AS, C024S0680CD, C024S0710ST

Reexamination Certificate

active

11809583

ABSTRACT:
A multi-functional ratchet includes first and second bars with left and right axially opposed ends respectively. Each bar is provided with a channel formed therein with a longitudinal length that is less than the longitudinal length of the bar. The apparatus further includes first and second beams with axially opposed proximal and distal ends. The beams are pivotally attached to the bars. Each beam is provided with a channel formed therein with a longitudinal length that is less than a longitudinal length of the beam. A mechanism winds a strap about a central portion of the ratchet when the first and second beams are laterally displaced away from equilibrium. The winding mechanism is connected to the bars and the beams respectively. The strap is freely rotated about the central portion while the first and second beams are maintained at a static position.

REFERENCES:
patent: 4912813 (1990-04-01), Muller et al.
patent: 5778496 (1998-07-01), Huang
patent: 5943742 (1999-08-01), Huang
patent: 6076805 (2000-06-01), Messersmith
patent: 6682053 (2004-01-01), Chou
patent: 6799750 (2004-10-01), Chen
patent: 6880810 (2005-04-01), Hu

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