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United States Patent D783,087
Fukamachi ,   et al. April 4, 2017

Photosensitive drum unit


CLAIM The ornamental design for a photosensitive drum unit, as shown and described.
Inventors: Fukamachi; Yasuo (Nagoya, JP), Mushika; Motoaki (Hashima, JP), Abe; Koji (Nagoya, JP), Kanda; Takuya (Nagoya, JP), Taguchi; Kazuna (Nagoya, JP)
Name City State Country Type


Nagoya-shi, Aichi-ken


Appl. No.: D/535,550
Filed: August 7, 2015

Foreign Application Priority Data

Feb 9, 2015 [JP] 2015-2402

Current U.S. Class: D18/43; D18/36; D18/40
Current International Class: 1603
Field of Search: ;D18/36,43,39,46,47,34.3,50

References Cited [Referenced By]

U.S. Patent Documents
D356331 March 1995 Ishibashi
D394450 May 1998 Katoh
D471583 March 2003 Okabe et al.
D487108 February 2004 Morita et al.
D507295 July 2005 Ishii et al.
D509239 September 2005 Ishii et al.
D521545 May 2006 Ishii et al.
D522564 June 2006 Ishii
D523894 June 2006 Ishii et al.
D523895 June 2006 Ishii
D523896 June 2006 Ishii
D529541 October 2006 Kawai
D550763 September 2007 Ishikawa
D551285 September 2007 Ishikawa
7303245 December 2007 Kunihiro
D585482 January 2009 Kubota
D594899 June 2009 Ogasawara et al.
D594900 June 2009 Ogasawara et al.
D601184 September 2009 Ogasawara et al.
D619644 July 2010 Houman
D637225 May 2011 Kishi
D637226 May 2011 Sakuma
D638053 May 2011 Sato
D652862 January 2012 Mori
D674007 January 2013 Ushikubo
D694814 December 2013 Fukamachi
D718378 November 2014 Itabashi
D718379 November 2014 Sakuma
D724139 March 2015 Shimizu
9383720 July 2016 Fukamachi
D765164 August 2016 Park
2014/0294431 October 2014 Yoshizumi
2015/0277360 October 2015 Abe

Other References

Brother DR-400, announced Sep. 30, 2015 [online], [site visited Sep. 22, 2016]. Available from internet, URL: <http://resources.lasertekservices.com/brother-dr-400-the-role-of-a-dr- um-unit-on-laser-printer/>. cited by examiner .
What is the Difference Between a Toner Cartridge and a Drum Unit?, announced Jan. 28, 2014 [online], [site visited Sep. 22, 2016]. Available from internet, URL: <https://www.inksaver.co.za/en/blog/The-difference-between-a-toner-car- tridge-and-drum-unit.php>. cited by examiner .
Brother Drum Cartridge (DR420), announced Oct. 29, 2012 [online], [site visited Sep. 22, 2016]. Available from internet, URL: <http://www.staples.com/Brother-DR-420-Drum-Cartridge/product.sub.--88- 9092>. cited by examiner .
The Difference Between Brother Toner Cartridges and Imaging Drum Unit, announced Jan. 3, 2014 [online], [site visited Sep. 22, 2016]. Available from internet, URL: <http://printgreen.weebly.com/1/post/2014/01/dont-be-confused-about-th- e-difference-between-brother-toner-cartridges-and-imaging-drum-unit.html&g- t;. cited by examiner.

Primary Examiner: Hill; Keli L
Assistant Examiner: Johnson; Karra S
Attorney, Agent or Firm: Oliff PLC


FIG. 1 is a front, left-side perspective view of a photosensitive drum unit;

FIG. 2 is a rear, left-side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a left-side view thereof;

FIG. 7 is a rear view thereof; and,

FIG. 8 is a bottom view thereof.

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