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1. (WO2016196491) APPARATUS FOR TIGHTENING THREADED FASTENERS
Nota: Texto obtenido mediante procedimiento automático de reconocimiento óptico de caracteres.
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CLAIMS

1. An apparatus to transfer torque within a torque tool for tightening or loosening fasteners including:

a drive plate having piston engagement means at a first end and a machined face gear with radial serrations at a second end; and

a ratchet drive having a machined face gear with corresponding radial serrations at a first end and a threaded fastener engagement means at a second end.

2. An apparatus according to claim 1 including a wave spring formed between the drive plate and a side plate of the torque tool.

3. An apparatus according to claim 2 wherein during an advance stroke of the torque tool the corresponding radial serrations of the drive plate and the ratchet drive engage under load from the wave spring to tighten or loosen the threaded fastener.

4. An apparatus according to claim 2 wherein during a retract stroke of the torque tool the corresponding radial serrations of the drive plate and the ratchet drive disengage and glide past each other.

5. An apparatus according to claim 1 wherein the drive plate is tapered from the first end to the second end.

6. A device for tightening or loosening fasteners having an apparatus according to claim 1-5 formed within a link drive means and between a first and a second side plate of the link drive means.

7. A device according to claim 6 wherein the side plates of the link drive means are tapered from a first end, adjacent piston engagement means, to a second end, adjacent the threaded fastener engagement means, such that the width of the link drive means at the second end is substantially thinner than the width of the link drive means at the first end.

8. An apparatus to transfer torque within a device for tightening or !oosening fasteners substantially as hereinbefore described with reference to and as shown in the accompanying drawings,

9. A device for tightening or loosening fasteners having an apparatus to transfer torque substantially as hereinbefore described with reference to and as shown in the accompanying drawings,

10. Any novel feature or novel combination of features described herein with reference to and as shown in the accompanying drawings.