Cord reel device

Patent metadata

Field	Value
Publication number	US-9586787-B2
Application number	US-201314385773-A
Country	US
Kind code	B2
Filing date	Mar 8, 2013
Priority date	Mar 23, 2012
Publication date	Mar 7, 2017
Grant date	Mar 7, 2017

Abstract

The cord reel device comprises a first reel body and a second reel body which are linked so that their rotational axes coincide; a pullout cord that is wound around the first reel body so that it can be pulled out; an internal cord that is wound around the second reel body in the same direction as the winding direction of the pullout cord; and a reel case that rotatably covers the first reel body and the second reel body and forms a winding space that allows free play of the internal cord. A convex portion that protrudes toward the rotational axis is provided to the reel case.

First claim

The invention claimed is:

1. A cord reel device, comprising:
a first reel body and a second reel body that are linked in the rotational axis direction so that their rotational axes coincide;
a reel case that houses the first reel body and the second reel body in a rotatable state;
a pullout cord that is wound around the first reel body so that it can be pulled out, and that is pulled outside of the reel case;
an internal cord that is wound around the second reel body in the same direction as the winding direction of the pullout cord, and that has free play in a space formed inside the reel case as the pullout cord is pulled out; and
a convex portion that is provided to the reel case and protrudes from an inner peripheral side of the case and towards the rotational axis of the first and second reel bodies; and
wherein the convex portion forms a pocket space for latching a slack portion of the internal cord.

2. The cord reel device according to claim 1 ,
wherein the convex portion protrudes toward the rotational axis in the space in which the internal cord is wound.

3. The cord reel device according to claim 1 ,
wherein the convex portion is provided in the space formed inside the reel case and in which the internal cord is wound, upstream from the position where a second end is fixed on an opposite side from a first end connected to the rotational axis of the internal cord, in the winding direction of the internal cord when the pulled-out pullout cord is wound.

4. The cord reel device according to claim 1 ,
wherein the convex portion is formed integrally with the reel case.

5. The cord reel device according to claim 1 ,
further comprising side wall portions that are provided to a pullout cord winding shaft of the second reel body, and are provided so as to incline at a specific angle with respect to the winding direction of the pullout cord.

6. The cord reel device according to claim 5 ,
wherein the specific angle is at least 3 degrees and no more than 10 degrees.

7. The cord reel device according to claim 1 ,
wherein the convex portion has a substantially arc-shaped cord latching wall as a part of a wall face forming the protruding portion.

8. The cord reel device according to claim 7 ,
wherein, in the winding of the pulled-out pullout cord, the cord latching wall is disposed on an upstream face in the winding direction of the internal cord.

Assignees

• Panasonic Ip Man Co Ltd

Inventors

• Okamoto Hirotaka

Classifications

• B65H75/34 Primary

  specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables (retractors for storing flexible hoses as accessories of dental work stands A61G15/18; vehicle safety belt retractors B60R22/34; hose-storing devices in apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or portable containers B67D7/40; clothes-line supports D06F53/00; spring drums for liftable blinds with horizontal lamellae E06B9/322; spring drums or tape drums for roll-type closures or roller blinds E06B9/56; hauling- or hoisting-chains with arrangements for holding electric cables, hoses or the like F16G13/16; devices for guiding pipes, cables or protective tubing, between relatively movable points, e.g. movable channels, F16L3/01; flexible rulers or tapes with scales G01B3/10; electrical features of stored material, see the relevant subclasses, e.g. H02G) · CPC title

• B65H75/4452

  Simultaneous winding and unwinding of the material, e.g. winding or unwinding on a stationary drum while respectively unwinding or winding on a rotating drum using a planetary guiding roller · CPC title

• B65H2701/3919

  USB, earphones, audio or video cables, e.g. for connecting small electronic devices such as MP3 players or mobile telephones · CPC title

• B65H75/446

  for releasably or permanently attaching the frame to a wall, on a floor or on a post or the like · CPC title

• B65H75/4434 Primary

  actuated by pulling on or imparting an inclination to the material · CPC title