Tapered coupling

Rotary shafts – gudgeons – housings – and flexible couplings for ro – Shafting

Reexamination Certificate

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Details

C464S904000, C403S314000, C403S409100

Reexamination Certificate

active

06875114

ABSTRACT:
A coupling having slots for receiving drive tabs of an associated driving shaft and a driven shaft, wherein the tabs of the driving shaft and the driven shaft are tapered to militate against rotational play between the driving shaft and the driven shaft which results in undesirable wear and damage to the drive shafts and coupling.

REFERENCES:
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patent: 1429980 (1922-09-01), Spangler
patent: 3243973 (1966-04-01), Kraeling
patent: 3279216 (1966-10-01), Spaulding, Jr.
patent: 3438221 (1969-04-01), Paulsen
patent: 4993992 (1991-02-01), Kriegel
patent: 5911630 (1999-06-01), Shigeura
patent: 20030180163 (2003-09-01), Hartmann et al.
patent: 420070 (1925-10-01), None
patent: 30873 (1933-09-01), None
patent: 30879 (1933-09-01), None
Grainger®, “Flexible Couplings And Spiders”, No. 388 1997 Catalog, Cover and pp. 370-371.
Guardian Industries, Inc., Products List, http://www.guardiancouplings.com/products.htm, printed Jun. 16, 2003.
Guardian Industries. Inc., “Gear Grip Flexible Shafts Couplings”, http://www.guardiancouplings.com/gg99.htm, printed Jun. 13, 2003.
Guardian Industires, Inc., “Taper Grid Coupling ”, http://www.guardiancouplings.com/TG99.HTM, printed Jul. 23, 2002.
Guardian Industries, Inc., “Series “M” Flexible Shaft Drive Couplings”; http://www.guardiancouplings.com/gd98.htm, printed Jun. 16, 2003.
Guardian Industries, Inc., “Flexible Curved Jaw Couplings”, http://www.guardiancouplings.com/jw98.htm, printed Jun. 13, 2003.
Guardian Industries, Inc., “Zero Backlash Motion Control Couplings”, http://www.guardiancouplings.com/MC99.HTM, printed Jun. 13, 2003.
Guardian Industries, Inc., “Stainless Steel Bellows Couplings”, http://www.guardiancouplings.com/BELLOWS.HTM, printed Jun. 16, 2003.
Guardian Industries, Inc., “Flexible Membrane Couplings”; http://www.guardiancouplings.com/MEMBRANE.HTM, printed Jun. 16, 2003.
Guardian Industries, Inc., “Oldham Couplings”; http://www.guardiancouplings.com/OLDHAM.HTM, printed Jun. 16, 2003.
Guardian Industries, Inc., “Universal/Lateral Couplings”; http://www.guardiancouplings.com/UNIVALT.HTM, printed Jun. 16, 2003.
Guardian Industries, Inc., “Muliti-Beam Couplings”; http://www.guardiancouplings.com/MLTIBEAM.HTM, printed Jun. 16, 2003.
Guardian Industries, Inc., “Variable Durometer Jaw Couplings”; http://www.guardiancouplings.com/JAWTYPE.HTM, printed Jun. 16, 2003.
I-TEC Corporation, “ASA Oldham Type Coupling, ASJ17-8-8”, ASA Catalogue, Mar. 2002, Letter and 2 pages.
U.S. Appl. No. 10/393,740, filed Mar. 3, 2003, Barron et al.

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