Tong bearing

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a first embodiment of a bearing for a tong;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a left side elevational view thereof, a right side elevational view not being shown as it is a mirror image of the left side elevational view.

Claims

The ornamental design for a tong bearing, as shown and described.

Referenced Cited
U.S. Patent Documents
D29522 October 1898 Cummings
D243406 February 15, 1977 Mooney et al.
4080015 March 21, 1978 Greby et al.
D258828 April 7, 1981 Zrobek
4401000 August 30, 1983 Kinzbach
D285109 August 12, 1986 Jornhagen
D337336 July 13, 1993 Losdahl
D357030 April 4, 1995 McKenna
D371138 June 25, 1996 Waskiewicz
D372254 July 30, 1996 Hirayama et al.
D379999 June 17, 1997 Benson
6058811 May 9, 2000 Stuart
D436117 January 9, 2001 Chuang
D440581 April 17, 2001 Sherman et al.
D444802 July 10, 2001 Dyson et al.
6327938 December 11, 2001 Pietras
D455392 April 9, 2002 Ordonez
D459366 June 25, 2002 Heinonen et al.
D459732 July 2, 2002 Sasaki et al.
D497977 November 2, 2004 Engelbrektsson
6829967 December 14, 2004 Kemp
D514431 February 7, 2006 Tanaka et al.
7069817 July 4, 2006 Wesch, Jr.
D597828 August 11, 2009 Tanaka et al.
D630191 January 4, 2011 Chang et al.
7992274 August 9, 2011 Hickman
20040256348 December 23, 2004 Stevens et al.
Other references
  • BJ Hughes, Power Tong Transmission Assembly, 2 pages, Admitted Prior Art.
Patent History
Patent number: D661715
Type: Grant
Filed: May 3, 2010
Date of Patent: Jun 12, 2012
Inventor: Don Darrell Hickman (Williston, ND)
Primary Examiner: Patricia Palasik
Attorney: Merchant & Gould PC
Application Number: 29/360,926
Classifications