Door closer

- Ryobi Limited
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Description

FIG. 1 is a top plan view of the door closer;

FIG. 2 is the right side view thereof;

FIG. 3 is the bottom view thereof;

FIG. 4 is the left side view thereof;

FIG. 5 is the front end view thereof;

FIG. 6 is the rear end view thereof;

FIG. 7 is a perspective view featuring the right side view thereof; and

FIG. 8 is a perspective view featuring the left side view thereof.

Referenced Cited
U.S. Patent Documents
D241512 September 1976 Hiraishi
D261099 October 6, 1981 Russell
1728693 September 1929 Moore
2131564 September 1938 Lasier
2994906 August 1961 Check
3252178 May 1966 Check et al.
3259936 July 1966 Sheridan
4086681 May 2, 1978 Nakanishi
Foreign Patent Documents
2378163 September 1978 FRX
Other references
  • Brochure-entitled "Sleekline Door Closers", by Kwikset S & S Co., see subsidiary of Emhart Corp., Anaheim, Calif.
Patent History
Patent number: D271277
Type: Grant
Filed: Apr 9, 1981
Date of Patent: Nov 8, 1983
Assignee: Ryobi Limited (Hiroshima)
Inventor: Mitsuaki Okazaki (Fuchu)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace Fay, Jr.
Law Firm: Birch, Stewart, Kolasch & Birch
Application Number: 6/252,281
Classifications
Current U.S. Class: D/8330
International Classification: D0807;