Sewing – Special machines – Embroidering
Patent
1999-05-24
2000-08-01
Izaguirre, Ismael
Sewing
Special machines
Embroidering
381022, D05C 0904, D06C 0308
Patent
active
060950684
ABSTRACT:
An embroidery frame includes of an outer frame attached to a driving unit of a frame drive mechanism, and an inner frame that cooperates with the outer frame to hold a work cloth therebetween. An engaging recess is provided on at least one of the outer frame segments of the outer frame other than that including a split portion, and an engaging protrusion capable of engaging with the engaging recess is formed in at least one of inner frame segments of the inner frame. Thus, the user is able to easily determine the front and rear sides of the outer frame. Even if the user places the inner frame upside down by mistake, the inner frame cannot be uniformly fitted in the outer frame due to the presence of the engaging protrusion, thus notifying the user of the mistake in the orientation of the outer frame and inner frame. Because the outer frame can be tightly fastened, until separate end portions of the split portion almost abut on each other, by means of a fastening mechanism with no interference with the engaging protrusion, the work cloth as a whole can be stretched over an aperture of the embroidery frame with substantially uniform tensile force.
REFERENCES:
patent: 4079529 (1978-03-01), Jennen et al.
patent: 4247998 (1981-02-01), Foss
patent: 4411208 (1983-10-01), Nishida et al.
patent: 4642924 (1987-02-01), Sudderth et al.
patent: 5819675 (1998-10-01), French et al.
Brother Kogyo Kabushiki Kaisha
Izaguirre Ismael
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