Door closer unit
Description
FIG. 1 is a top, front, and left side perspective view of a door closer unit showing our new design;
FIG. 2 is a left side elevational view thereof, the right side being a mirror image of that shown;
FIG. 3 is a front and left side perspective view thereof;
FIG. 4 is a horizontal cross-sectional view thereof, taken along line 4--4 of FIG. 2;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a front elevational view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D281762 | December 17, 1985 | Okazaki |
3877108 | April 1975 | Del Fiaccio |
- Sargent Door Closers Catalogue 25/1250 series (1983) p. 10, track type application.
Patent History
Patent number: D364081
Type: Grant
Filed: Aug 4, 1994
Date of Patent: Nov 14, 1995
Assignee: NT Door Controls Ltd. (Birmingham)
Inventors: David P. Yates (Sutton Coldfield), Michael D. Knight (Birmingham)
Primary Examiner: Brian N. Vinson
Law Firm: Staas & Halsey
Application Number: 0/26,822
Type: Grant
Filed: Aug 4, 1994
Date of Patent: Nov 14, 1995
Assignee: NT Door Controls Ltd. (Birmingham)
Inventors: David P. Yates (Sutton Coldfield), Michael D. Knight (Birmingham)
Primary Examiner: Brian N. Vinson
Law Firm: Staas & Halsey
Application Number: 0/26,822
Classifications
Current U.S. Class:
D/8330