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US 4,726,130 AGranted
Needlework framing hoop for wall display
OwnerJanice W. Bussardinventor
Life of this patent
Estimating the term…
Abstract
A needlework hoop set including a pivotable loop between opposite ends of the inner hoop; the loop operating with a mechanism that expands the inner hoop against an outer hoop.
Claims2
A needlework framing hoop, comprising in combination, a circular outer hoop, and a circular inner hoop therein, a gap left along said inner hoop forming opposite ends on said inner hoop, and a take-up mechanism bridging said gap being attached to said opposite ends;
- said take-up mechanism having expansion means to expand said inner hoop for frictional hold against an inner side of said outer loop, and said hoops including interfitting means;
- said interfitting means comprising a groove along said inner side of said outer hoop and a protrusion on an outer side of said inner hoop for mating therewith;
- said take-up mechanism comprising a pivotable "U"-shaped wire loop, a bearing on each said opposite end of said inner loop, opposite ends of said loop being pivotally received in openings of said bearings and movement means for moving said inner hoop opposite ends selectively away or toward each other;
- said movement means to move said loop opposite ends comprising an angularly inclined, "U"-shaped cross slot forming a cam on each said bearing and a right angle lug on each said loop end pivotable in said cross slot cam.
1 more element
Dependencies are inferred from the claim text.