Holding frame and holder

Patent metadata

Field	Value
Publication number	US-11479891-B2
Application number	US-202017021524-A
Country	US
Kind code	B2
Filing date	Sep 15, 2020
Priority date	Sep 20, 2019
Publication date	Oct 25, 2022
Grant date	Oct 25, 2022

Abstract

In a holding frame, a frame forming portion includes a first holding surface and the second holding surface extending in different directions crossing an area surface of an inner area defined by the frame forming portion. In a state where a holder is magnetically attached to the frame forming portion, the first holding surface and the second holding surface respectively face inner surfaces of a first holding portion and a second holding portion of the holder. The first holding surface includes a first portion connected to a first connecting portion, and a first end located opposite from the first portion. The second holding surface includes a second portion connected to the first connecting portion, and a second end located opposite from the second portion. A distance between the first end and the second end is greater than a distance between the first portion and the second portion.

First claim

What is claimed is:

1. A holding frame comprising:
a frame forming portion defining an inner area which extends in a direction in which a workpiece is stretched taut, the frame forming portion including:
a first holding surface defined by a first portion of the frame forming portion;
a second holding surface defined by a second portion of the frame forming portion; and
a first connecting portion connecting the first holding surface and the second holding surface; and

a holder configured to be magnetically attached to the frame forming portion, the holder including:
a first holding portion; and
a second holding portion,

wherein the first holding surface and the second holding surface extend in two different directions crossing the direction in which the workpiece is stretched taut,
wherein the first holding surface includes a first portion connected to the first connecting portion, and a first end located opposite from the first portion, the second holding surface includes a second portion connected to the first connecting portion, and a second end located opposite from the second portion, and a distance between the first end and the second end is greater than a distance between the first portion and the second portion,
wherein, in a state where the holder is attached to the frame forming portion, the first holding surface faces an inner surface of the first holding portion, and the second holding surface faces an inner surface of the second holding portion,
wherein one of the first holding portion and the first holding surface includes a magnet and the other includes a magnetic material, and
wherein one of the second holding portion and the second holding surface includes a magnet and the other includes a magnetic material.

2. The holding frame according to claim 1 ,
wherein the holder includes a second connecting portion connecting the first holding portion and the second holding portion, the first holding portion includes a third portion connected to the second connecting portion, and the second holding portion includes a fourth portion connected to the second connecting portion,
wherein a distance between the inner surface at the third portion and the inner surface at the fourth portion is greater than the distance between the first portion and the second portion, and
wherein, in the state where the holder is attached to the frame forming portion, an inner surface of the second connecting portion faces the first connecting portion of the frame forming portion.

3. The holding frame according to claim 2 ,
wherein the second holding portion includes the fourth portion connected to the second connecting portion, and a fourth end located opposite from the fourth portion, and the second holding portion includes a side surface extending in a direction crossing a first direction which is perpendicular to a direction from the fourth portion toward the fourth end and is parallel to the inner surface of the second holding portion, and
wherein the holder includes a first grip disposed on the second holding portion to protrude from the side surface.

4. The holding frame according to claim 1 , wherein the holder includes a second grip disposed on an outer surface opposite to the inner surface of the first holding portion or the second holding portion, the second grip protruding in a direction from the inner surface toward the outer surface.

5. The holding frame according to claim 1 , wherein an angle formed by the direction in which the workpiece is stretched taut and the first holding surface is equal to an angle formed by the direction in which the workpiece is stretched taut and the second holding surface.

6. The holding frame according to claim 1 ,
wherein the first holding surface is located outside the second holding surface in an outward direction away from the inner area of the frame forming portion,
wherein the frame forming portion includes an attachment configured to receive a mount to be mounted on a processing machine for processing the workpiece, and the attachment extends linearly in a longitudinal direction of the frame forming portion and has the first holding surface which is a plane perpendicular to the direction in which the workpiece is stretched taut.

7. The holding frame according to claim 6 , wherein the frame forming portion is polygonal and includes a plurality of frame sides including the attachment as a frame side, and the first holding surface of each of the frame sides is a plane perpendicular to the direction in which the workpiece is stretched taut.

8. The holding frame according to claim 1 ,
wherein the frame forming portion is polygonal and includes a plurality of frame sides which are equal in number to polygonal sides, and
wherein the holding frame comprises a plurality of holders, the plurality of holders includes the holder, and a number of the plurality of holders is greater than or equal to a number of the polygonal sides.

9. The holding frame according to claim 1 , wherein the holder is ring-shaped and has a same shape as the frame forming portion.

10. A holding frame comprising:
a frame forming portion including four frame sides defining an inner area which extends in a direction in which a workpiece is stretched taut, each of the four frame sides including:
a first holding surface;
a second holding surface;
a first connecting portion connecting the first holding surface and the second holding surface; and
a portion including a magnetic material; and

a holder including:
a first holding portion; and
a second holding portion,

wherein the first holding surface and the second holding surface extend in two different directions crossing the direction in which the workpiece is stretched taut,
wherein the first holding surface is a plane perpendicular to the direction in which the workpiece is stretched taut and located outside the second holding surface in an outward direction away from the inner area of the frame forming portion,
wherein the first holding surface includes a first portion connected to the first connecting portion, and a first end located opposite from the first portion, the second holding surface includes a second portion connected to the first connecting portion, and a second end located opposite from the second portion, and a distance between the first end and the second end is greater than a distance between the first portion and the second portion,
wherein, in a state where the holder is attached to a corresponding one of the frame sides, the first holding surface of the corresponding frame side faces an inner surface of the first holding portion, and the second holding surface of the corresponding frame side faces an inner surface of the second holding portion, and
wherein the first holding portion includes, on the inner surface thereof, a first permanent magnet, and the second holding portion includes, on the inner surface thereof, a second permanent magnet.

11. A holding frame comprising:
a frame forming portion defining an inner area which extends in a direction in which a workpiece is stretched taut, the frame forming portion including:
a first holding surface defined by a first portion of the frame forming portion; and
a second holding surface defined by a second portion of the frame forming portion; and

a holder configured to be magnetically attached to the frame forming portion, the holder including:
a first holding portion;
a second holding portion; and
a second connecting portion connecting the first holding portion and the second holding portion,

wherein, in a state where the holder is attached to the frame forming portion, the first holding portion and the second holding portion ex

Assignees

• Brother Ind Ltd

Inventors

• Osamura Takahira
• Iida Mitsuhiro

Classifications

• H01F7/02

  Permanent magnets {[PM]} · CPC title

• D05D2207/06

  Permanent magnets · CPC title

• D05B39/00 Primary

  Workpiece carriers (for automatically controlling movement of work-carrier to obtain particular configuration of seam D05B21/00; in general A41H15/00) · CPC title