Drive unit for rolling door
Latest Byrne & Davidson Doors (N.S.W.) Pty. Limited Patents:
Description
FIG. 1 is a perspective view of a drive unit for rolling door showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view.
Referenced Cited
U.S. Patent Documents
D102814 | January 1937 | Brunst |
D283923 | May 20, 1986 | Henry |
Patent History
Patent number: D301743
Type: Grant
Filed: Oct 15, 1986
Date of Patent: Jun 20, 1989
Assignee: Byrne & Davidson Doors (N.S.W.) Pty. Limited (Revesby)
Inventor: Paul M. Schremmer (Hunters Hill)
Primary Examiner: A. Hugo Word
Law Firm: Pennie & Edmonds
Application Number: 6/919,333
Type: Grant
Filed: Oct 15, 1986
Date of Patent: Jun 20, 1989
Assignee: Byrne & Davidson Doors (N.S.W.) Pty. Limited (Revesby)
Inventor: Paul M. Schremmer (Hunters Hill)
Primary Examiner: A. Hugo Word
Law Firm: Pennie & Edmonds
Application Number: 6/919,333
Classifications
Current U.S. Class:
D25/49;
Combined With Diverse Article (D26/51)