Apparatus for selectively rotating and/or advancing an...

Details Apparatus for selectively rotating and/or advancing an... Apparatus for selectively rotating and/or advancing an...

2011-08-16

2011-08-16

Lucchesi, Nicholas D (Department: 3763)

Friction gear transmission systems or components

Forward and reverse

Variable speed in forward or reverse

C476S034000, C604S528000

Reexamination Certificate

active

07998020

ABSTRACT:
An apparatus for selectively advancing and/or rotating an elongate device, includes a carrier mounted for rotation about a primary axis and a pair of opposed rollers on the carrier adapted to drive the device in a direction along the primary axis. A mechanism drives at least one of the rollers has a first gear and a second gear. A first input selectively rotates the second gear in first or second directions to advance or retract the elongate device. A second input selectively rotates the carrier in first and second directions to rotate the elongate device. The operation of the second input alone simultaneously rotates and advances/retracts the elongate device, and the coordinated operation of the first and second inputs rotates the elongate device without advancement/retraction.

REFERENCES:
patent: 3835854 (1974-09-01), Jewett
patent: 6171234 (2001-01-01), White et al.
patent: 6398755 (2002-06-01), Belef et al.
patent: 7582054 (2009-09-01), Okada
patent: 7615042 (2009-11-01), Beyar et al.
patent: 2006/0229587 (2006-10-01), Beyar et al.

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