Worm gear unit for venetian blinds or the like
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Description
FIG. 1 is a front, top and right side perspective view of a worm gear unit for venetian blinds or the like showing my new design;
FIG. 2 is a rear, bottom and right side perspective view;
FIG. 3 is a right side elevated view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view;
FIG. 6 is a front elevational view; and
FIG. 7 is a rear elevational view.
Referenced Cited
Other references
- Sweet's Catalog File, .COPYRGT.1978, McGraw-Hill, N. Y., Section 12.9/Mo, p. 4, Illustrations of "Torque Wand"& Headrail.
Patent History
Patent number: D277062
Type: Grant
Filed: Mar 8, 1982
Date of Patent: Jan 8, 1985
Assignee: AB Perma System (Mullsjo)
Inventor: Hans R. Brolin (Mullsjo)
Primary Examiner: Jane E. Corrigan
Law Firm: Witherspoon & Hargest
Application Number: 6/355,316
Type: Grant
Filed: Mar 8, 1982
Date of Patent: Jan 8, 1985
Assignee: AB Perma System (Mullsjo)
Inventor: Hans R. Brolin (Mullsjo)
Primary Examiner: Jane E. Corrigan
Law Firm: Witherspoon & Hargest
Application Number: 6/355,316
Classifications
Current U.S. Class:
D/6580