JP2014128930A - Coating film transfer tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coating film transfer tool in which a refill unit can be easily replaced with intuitive work by a user, has a small number of waste parts, and can be refilled.SOLUTION: A coating film transfer tool includes a refill unit 9, which consists of a holder 7 having a supply reel 5 in which an unused transfer tape 8 is wound and a take-up real 6, and is loaded in a replaceable way in an openable case 2 consisting of a support part 3 having a transfer head 11 attached thereto and a lid part 4. The transfer head 11 is attached to a support part 3 slidably back and forth. The transfer head 11 moves by a constant amount interlocking with opening and closing of the support part 3 and the lid part 4. Therefore, it is possible to easily take out the refill unit 9, to easily refill the transfer tape, and the number of the waste parts can be reduced because the transfer head is left on a case side.

Description

  The present invention relates to a coating film transfer tool for transferring a coating film applied to a transfer tape fed from a supply reel onto a paper surface or the like by being held by hand and moved while pressing the paper surface or the like. .

  Conventionally, as a coating film transfer tool, a supply reel and a take-up reel are disposed in a case having an opening at the front end, and the transfer tape (base material of the base material) wound around the supply reel is projected from the opening by protruding the front end of the transfer head. In general, a structure in which a coating film is formed on one side is fed out and reversed at the front end of the transfer head and wound on a take-up reel (see, for example, Patent Documents 1 and 2).

  There is also known a refillable coating film transfer tool in which an unused transfer tape is exchangeably loaded in an openable / closable case composed of a case body and a lid. In this refillable type film transfer tool, a refill unit is frequently used to facilitate replacement of the transfer tape, but most of the refill unit is composed of a transfer head, a supply reel wound with an unused transfer tape, and a supply reel. A take-up reel for taking up the used transfer tape is provided. Therefore, with the disposal of the refill unit, the main parts of the coating film transfer tool are discarded, which causes problems in terms of environment and economy.

  Some refillable coating film transfer tools in which the transfer head remains in the case main body can also be seen (for example, see Patent Document 3). However, the structure for opening the case is generally one in which the case is divided substantially at the center surface of the tape and the user opens the cover in the forward direction, whereas the structure of the coating film transfer tool described in Patent Document 3 is Since the cover is opened and closed by rotating the cover about an axis perpendicular to the tape center plane, it is difficult for an unfamiliar user. In addition, since the gear formed on the cover meshes with the gear of the head, there is a possibility that poor meshing may occur.

JP 2003-054190 A JP 2008-302598 A JP 2008-168554 A

  SUMMARY OF THE INVENTION An object of the present invention is to provide a coating film transfer tool in which the refill unit can be easily replaced by an intuitive operation by a user and the number of discarded parts is reduced in a refillable coating film transfer tool.

  In order to achieve the above object, the present invention provides a coating film transfer tool and a coating film transfer tool case having the following configuration.

(1) A refill unit comprising a supply reel, a take-up reel, and a holder in which an unused transfer tape is wound in an openable / closable case having a support portion to which a transfer head is attached and a lid portion and having an opening at the front end. Is a coating film transfer tool in which a transfer tape wound around a supply reel is fed out, reversed at the tip of the transfer head and wound around a take-up reel,
A coating film transfer tool, wherein the transfer head is attached to a support portion so as to be slidable back and forth, and the transfer head is moved by a certain amount in conjunction with opening and closing operations of the support portion and the lid portion.
(2) The coating film transfer tool according to the above (1), wherein the transfer head is provided with a spring member for moving the transfer head backward in conjunction with the opening and closing operations of the support portion and the lid portion.
(3) A locking projection is provided on the transfer head, and a locking hole on which the locking projection can be engaged and an inclined surface that is inclined downward toward the locking hole are provided on the opposing lid. The coating film transfer tool according to the above (1) or (2), characterized in that it is characterized in that
(4) In conjunction with the opening / closing operation of the support portion and the lid portion, in the closed state, the locking projection provided on the transfer head is locked in the locking hole provided on the lid portion, thereby transferring the transfer head. Advances and holds the transfer tape stretched at the tip of the transfer head, and in the opened state, the transfer head is retracted by a certain amount by the biasing force of the spring member by releasing the locking. And
By moving the lid from the open state to the closed state, the locking projection is guided to the locking hole along the inclined surface provided on the lid, so that the retracted transfer head can stretch the transfer tape. The coating film transfer tool according to the above (2) or (3), wherein the coating film transfer tool advances to a position where it is placed.
(5) The above-mentioned (1) to (1), wherein the refill unit holder is provided with a tape holding portion for holding a state where the transfer tape drawn from the supply reel is stretched at the front end of the transfer head. The coating film transfer tool according to any one of 4).
(6) An open / close type case having an opening at the front end, which includes a support portion and a lid portion on which the transfer head is slidably attached back and forth,
The transfer head is provided with a locking projection, and a locking hole in which the locking projection can be engaged and a locking hole (for guiding the locking projection to the locking hole) are formed in the opposed lid portion. A coating film transfer tool case, characterized in that an inclined surface that is inclined downward is provided so that the transfer head can move by a certain amount in conjunction with the opening and closing operations of the support portion and the lid portion.
(7) The coating film transfer tool case according to (6), wherein the transfer head is provided with a spring member for moving the transfer head backward.

  According to the first aspect of the invention, in conjunction with the operation of opening the lid, the transfer head is separated from the tension position of the transfer tape in the opposite direction, so that the refill unit can be easily taken out and the lid is closed. In conjunction with this, the transfer head returns to the tape stretching position, so that transfer is possible. Thus, the transfer tape can be refilled without the user being aware of a particularly complicated operation. In addition, since the transfer head is left on the case side, waste parts can be reduced.

According to the second aspect of the present invention, it is possible to easily return the transfer head to the rear position, and to obtain a coating film transfer tool that can easily and surely slide the transfer head and separate the transfer tape from the transfer head. Can do.
According to the third aspect of the present invention, it is possible to obtain a coating film transfer tool that can surely slide the transfer head forward and that further restricts the transfer head against an external load applied to the transfer head. Can do.
According to the invention described in claim 4, it is possible to obtain a coating film transfer tool in which the structure and shape of each component are simple and the refill unit can be easily replaced.
According to the invention of claim 5, the refill unit to be discarded can be pulled up in the open state and the transfer tape can be easily loosened and played during insertion into the case, and the coating film can be refilled more reliably. A transfer tool can be obtained.

  According to the sixth and seventh aspects of the invention, it is possible to easily replace the refill unit and obtain a coating film transfer tool case with few waste parts.

It is a perspective view of the coating-film transfer tool concerning one Embodiment of this invention. It is a disassembled perspective view of the coating-film transfer tool shown in FIG. It is a disassembled perspective view of the refill unit, case cover part, and sliding mechanism part of the coating film transfer tool shown in FIG. It is a disassembled perspective view of the winding mechanism of the coating-film transfer tool shown in FIG. It is a figure which shows a series of operation | movement at the time of refill exchange of the coating-film transfer tool shown in FIG. (A) The front view which shows the state which opened the case cover part and the transfer head retracted in conjunction with opening operation | movement. (B) The disassembled perspective view which shows the state which the pulled-up refill unit isolate | separated from the case. (C) The front view which shows the state which engaged the case cover part and the support part after refill unit replacement | exchange. It is a disassembled perspective view which shows the interlocking | linkage site | part of a case cover part and a transfer head except the refill unit of the coating-film transfer tool.

Hereinafter, embodiments of the coating film transfer tool of the present invention will be described with reference to the drawings.
1-4 is a figure explaining the structure of the coating-film transfer tool which concerns on embodiment of this invention. Moreover, FIGS. 5-6 is a figure explaining a series of operation | movement aspects at the time of replacement | exchange of a coating-film transfer tool.

  Next, the structure of the coating film transfer tool in the embodiment of the present invention will be described with reference to FIGS.

  As shown in FIGS. 1 and 2, a coating film transfer tool 1 according to the present invention is an open / close type coating film transfer tool case (hereinafter simply referred to as “case”) 2 having an opening 2 a at the front end. A refill unit 9 including a supply reel 5, a take-up reel 6, and a holder 7 wound with an unused transfer tape 8 is exchangeably loaded in the case 2, and is wound around the supply reel 5. This is a coating film transfer tool in which the unused transfer tape 8 is fed out, reversed at the tip of the transfer head 11 and wound around the take-up reel 6.

  In general, the transfer tape 8 is formed by forming a release layer such as a silicone resin on one or both sides of a 3 to 60 μm-thick substrate made of a plastic film or paper such as polyethylene terephthalate, polypropylene or polyethylene. It is produced by applying a pressure-sensitive adhesive or the like to one side of the material by a conventionally known method. As the pressure-sensitive adhesive, acrylic resin-based, vinyl resin-based, rosin-based, rubber-based pressure-sensitive adhesives, or these pressure-sensitive adhesives, crosslinking agents, tackifiers, plasticizers, anti-aging agents, fillers, thickeners, What mixed suitably adjuvants, such as a pH adjuster and an antifoamer, is used. Specifically, an adhesive tape is provided with an adhesive layer on one side of the substrate; a concealing layer comprising a pigment having a concealing power and a polymer resin as a binder is provided on one side of the substrate, and an adhesive layer is provided thereon. Is a correction tape; a fluorescent tape is provided with a fluorescent colored layer on one side of a substrate and an adhesive layer provided on the fluorescent colored layer. The thickness of the layer formed on one side of the substrate is usually in the range of about 0.3 to 60 μm after drying.

  The case 2 includes a support part 3 and a lid part 4. For replacing the used transfer tape 8, the cover 4 of the case 2 is opened, the refill unit 9 is taken out, and then the supply reel 5, the take-up reel 6 and the holder 7 around which the unused transfer tape is wound. The refill unit 9 is loaded in the case 2 and the lid 4 of the case 2 is closed to complete the process.

  In the coating film transfer tool of the present invention, the case 2 has the transfer head 11 slidably attached to the support portion 3 in the front-rear direction, and the transfer head is interlocked with the opening / closing operation of the support portion 3 and the lid portion 4. It is characterized in that 11 is movable around a certain amount. That is, when the cover is closed, the transfer head 11 protrudes from the opening 2a (see FIG. 1), thereby enabling the coating film to be transferred. Further, when the cover is opened, the protruding transfer head 11 is slid later so that the refill unit can be easily replaced. In the present invention, the direction in which the coating film transfer tool is retracted is referred to as the backward direction, and the opposite direction is referred to as the forward direction.

  As shown in FIGS. 2 and 3, the support portion 3 and the lid portion 4 of the case 2 are provided with engaging portions 2b at positions facing each other, and the supporting portion 3 and the lid are covered by the engaging portion 2b. The part 4 is in a detachable state. In these drawings, an opening / closing method is shown in which the support portion 3 and the lid portion 4 of the case 2 are rotatably supported by a hinge 2c provided in the longitudinal direction of the case 2. According to this opening / closing method, the support part 3 and the lid part 4 do not easily fall apart during the opening / closing operation, the refill unit can be replaced by a simple opening / closing operation, and the opening / closing operation is less likely to be shaken. The transfer head moves reliably by a certain amount in conjunction with this. However, in the present invention, the opening / closing method of the case 2 is not particularly limited, and the support 3 and the lid 4 may be separated from each other.

  The support portion 3 of the case 2 is provided with a transfer head 11, a sliding mechanism 12 that enables the transfer head 11 to slide, and a winding mechanism 10 that interlocks the supply reel 5 and the winding reel 6 ( Mainly see Figure 2). The sliding mechanism 12 is a mechanism in which the transfer head 11 is moved by a certain amount in conjunction with the opening / closing operation of the support portion 3 and the lid portion 4 of the case 2, and FIG. One embodiment is shown.

  In FIG. 2, the transfer head 11 has a transfer roller 11 b serving as the transfer head tip 11 a, an arm 11 c that pivotally attaches the transfer roller 11 b from both sides, and a flat plate as a member for fixing the transfer head 11 to the support unit 3. A locking portion 11d is provided, and a locking projection 11e (details will be described later) for moving the transfer head 11 by a certain amount in conjunction with the opening / closing operation.

  In order to stabilize the sliding movement of the transfer head 11, the locking portion 11 d is perpendicular to the transfer roller 11 b and parallel to the movable direction of the transfer head 11. And on the lower side). By inserting the locking portion 11d of the transfer head 11 into two locking portions (hooks or the like) 3c provided in the front portion of the support portion 3, the transfer head 11 is locked so as not to be separated from the support portion 3. And can be slidably mounted.

  As the sliding mechanism 12, in order to move the transfer head 11 by a certain amount in conjunction with the opening / closing operation of the support portion 3 and the lid portion 4 of the case 2, in particular, in order to retract the transfer head 11 when the case 2 is opened. It is desirable to employ a telescopic mechanism or a cam mechanism using a spring member.

  FIG. 2 shows an example in which a first spring 13 is disposed in a cylindrical insertion portion 3 e provided in the support portion 3 as an example using a spring member. The transfer head 11 is connected to the case support portion 3 by providing the same insertion portion 11f as the above-described insertion portion 3e on the surface facing the support portion 3 so that the first spring 13 is associated with each other insertion portion. Is done. With this configuration, an urging force always acts in a direction (rearward direction) in which the case is opened from the case opening 2a. For this reason, the support portion 3 is provided with a locking portion 3d between the two locking portions 3c for stopping the transfer head 11 retracted by the biasing force of the spring by a certain amount of movement.

  On the other hand, as shown in FIGS. 2 and 3, the transfer head 11 is provided with a locking projection 11 e, and the locking projection 11 e is a locking hole 4 a provided in front of the opposed lid portion 4. Is provided at a position that can be engaged with the transfer roller 11b and at a position that is substantially parallel to the long axis direction of the transfer roller 11b. That is, when the locking projection 11e and the locking hole 4a are in a closed state with the lid portion 4 of the case 2 and the support portion 3 of the case 2, the locking projection 11e is related to the locking hole 4a. The position is regulated so that the transfer head 11 does not move backward. On the other hand, when the lid portion 4 of the case 2 is separated from the support portion 3 of the case 2 and is in the open state, the transfer head 11 is slidable by releasing the locking.

  It is desirable that the locking projection 11e and the locking hole 4a are engaged to the extent that they can withstand the pressing load applied during transfer.

  Further, the lid 4 facing the transfer head 11 faces the locking hole 4a in which the locking protrusion 11e can be engaged, and the locking hole 4a for guiding the locking protrusion 11e to the locking hole 4a. An inclined surface 4b inclined downward is provided. The inclined surface 4b has an area including the diameter of the locking projection 11e and the movement region of the locking projection 11e when the lid portion 4 is closed, and the closing load increases as the inclination angle decreases. For this reason, it is desirable to increase the tilt angle so as not to interfere with other parts.

  The shape of the locking hole 4a in the lid portion 4 of the case 2 may be determined as appropriate in accordance with the material and shape of the case lid portion 4, and is not limited to the illustrated circular shape, but an elliptical shape, a rectangular shape, A known shape such as a conical shape may be used, and a circular shape partially cut away may be used. Further, the locking hole may be either a through hole or a non-through hole.

  The winding mechanism 10 employed in the support portion 3 of the case 2 includes a large gear 14, a second spring 15, a spring retainer 16, and a small gear 17 (see FIG. 4). The large gear 14 and the small gear 17 are the case. It is rotatably supported on a shaft 3b provided on the support portion 3. A latching claw of the spring retainer 16 is retained in the through hole of the large gear 14, and a second spring 15 pivotally supported by the spring retainer 16 is interposed so as to repel the two parts. The rib formed on the spring retainer 16 rotates in the same manner by being locked with the rib formed on the inner diameter of the supply reel 5. The small gear 17 meshes with the gear 6 b of the take-up reel 6. The rotation of the spring retainer 16 is transmitted to the large gear 14 via the frictional force of the second spring 15, and the rotation is transmitted to the take-up reel 6 by meshing the gears formed on the outer periphery of each gear.

  Further, the support portion 3 is provided with projections (bosses) 3a for attaching the refill unit 9 at two locations, and can be attached to and detached from pins 7a (only one location is visible in FIG. 2) provided on the holder 7. Locked (see FIGS. 2 and 3).

  As shown in FIG. 3, the holder 7 of the refill unit 9 has an opening 7c in which the transfer head 11 is accommodated and a tape holding portion 7d having a groove slightly wider than the width of the transfer tape. It is desirable to regulate the tape width direction. The tape holding part 7d makes it easy to hold the state in which the transfer tape 8 drawn from the supply reel is stretched at the transfer head tip part 11a. The shape of the tape holding portion 7d is desirably set to such a height that the tape cannot easily get over by play that is not stretched by the transfer head, but the detailed shape is limited to the shape shown in FIG. It may not be a thing but an appropriate shape.

  A shaft 7e for rotatably suspending the supply reel 5 is provided substantially at the center of the holder 7, and a shaft 7f for suspending the take-up reel 6 is provided on the opposite side of the tape holding portion 7d across the center.

  A transfer tape 8 having a coating film on one side is wound around the supply reel 5, and the transfer tape 8 drawn out from the supply reel 5 is reversed by the transfer head tip 11 a and wound around the take-up reel 6. It becomes a state. The take-up reel 6 is formed with circumferential rack teeth 6a (not visible in FIG. 3 because it is on the opposite side of the gear 6b), and is locked with a claw 7b formed on the holder 7 to prevent reverse rotation. The mechanism is configured.

  A gear 6b is formed on the take-up reel 6 on the opposite side to the holder 7, and meshes with the take-up mechanism 10 disposed on the case support portion 3 in a detachable manner. A wave-like wall surface 7g is formed in the substantially central portion of the holder 7 in order to make it easy to hold and pull the holder 7 with the fingertips.

  The case 2 composed of the support portion 3 and the lid portion 4 is an open / closed case having an opening at the front end, which is composed of the support portion 3 and the lid portion 4 to which the transfer head 11 is slidably attached back and forth. The transfer head 11 is provided with a locking protrusion 11e, and the locking hole 4a and the locking protrusion 11e in which the locking protrusion 11e can be engaged with the lid portion facing the locking protrusion 11e are guided to the locking hole 4a. An inclined surface 4b inclined downward toward the locking hole 4a is provided. In this case 2, a refill unit comprising a supply reel, a take-up reel and a holder as described above, which are wound with an unused transfer tape, is loaded in a replaceable manner. In case 2, it is desirable to use it repeatedly from the viewpoint of reducing waste, but it can be used only once depending on the situation.

  Next, a series of operation modes when the refill unit 9 is replaced will be described with reference to FIGS. 5 and 6. This replacement is generally performed from a state where the transfer tape 8 is used up, but may be performed while the transfer tape 8 remains.

  First, by the operation of opening the lid 4 of the case 2, the locking projection 11 e of the transfer head 11 that is locked in the locking hole 4 a of the lid 4 is unlocked. Along with the release, the transfer head 11 moves in a direction opposite to the opening 2 a according to the biasing force of the first spring 13, and then moves a certain amount by the locking portion 3 d provided on the support portion 3 of the case 2. Stop. The lid portion 4 of the case 2 is locked at a completely opened position (see FIG. 5A).

  When the user holds the wavy wall surface 7g of the holder 7 and pulls up the holder 7, the engagement of the supply reel 5, the take-up reel 6 and the take-up mechanism 10 provided on the case support 3 is released, and the refill unit 9 is released. Is separated from the case 2 (see FIG. 5B).

  Next, when the refill unit 9 composed of a supply reel, a take-up reel and a holder wound with an unused transfer tape is disposed at the corresponding location and operates to close the lid 4 of the case 2, the lid The inclined surface 4b of the portion 4 and the locking projection 11e of the transfer head 11 abut. When the user continues to apply a load to the lid portion 4, the locking protrusion 11 e of the transfer head 11 is guided to the inclined surface 4 b and repels the first spring 13 urging the transfer head 11, while transferring. The head 11 moves to the front of the case 2.

  At the same time as the transfer head 11 is pushed in from the back surface of the transfer tape 8 suspended on the tape holding portion 7d at the tip of the holder 7, the locking projection 11e is engaged with the locking hole 4a formed at the end of the inclined surface 4b. Then, the side surface of the locking projection 11e is locked to the groove of the locking hole 4a or the peripheral wall of the hole, whereby the transfer head 11 is locked at the position where the transfer tape 8 is stretched (FIG. 5C). ), See FIG.

  By the above series of operations, the transfer head 11 is moved back and forth by a certain amount in conjunction with the opening and closing operations of the support portion 3 and the lid portion 4.

  That is, in the coating film transfer tool of the present invention, the locking projection 11e provided on the transfer head 11 is provided on the lid in the closed state in conjunction with the opening / closing operation of the support 3 and the lid 4. By being locked in the locking hole 4a, the transfer head 11 moves forward and holds the transfer tape in a state of being stretched at the tip of the transfer head. In the opened state, the locking is released, so that the transfer head 11 is retracted by a certain amount by the urging force of the first spring 13. Then, by the operation of moving the lid portion 4 from the open state to the closed state, the locking projection 11e is guided to the locking hole 4a along the inclined surface 4b provided on the lid portion, so that the transfer head retracted. However, it is possible to advance to a position where the transfer tape is stretched.

  As described above, the coating film transfer tool of the present invention has a structure that leaves the transfer head 11 on the case 2 side because the transfer head 11 moves by a certain amount in conjunction with the opening / closing operation of the lid portion 4 of the case 2. However, the refill unit can be replaced with a simple operation. Also, the tape can be refilled without the user being particularly conscious of complicated operations. Further, since the structure is such that the transfer head is left on the case side, it is possible to reduce the number of discarded parts.

  While the embodiments of the coating film transfer tool according to the present invention have been described above, the present invention is not limited to these embodiments, and various modifications can be made without departing from the scope of the present invention.

  The coating film transfer tool of the present invention can be used with a tape such as an adhesive tape, a correction tape, or a fluorescent tape.

DESCRIPTION OF SYMBOLS 1 Coating film transfer tool 2 Case 2a Opening part 2b Engagement part 2c Hinge part 3 Support part 3a Boss 3b Shaft 3c Engagement part 3d Engagement part 3e Insertion part 4 Lid part 4a Engagement hole 4b Inclined surface 5 Supply reel 6 volume Take-up reel 6a Rack tooth 6b Gear 7 Holder 7a Pin 7b Claw 7c Opening 7d Tape holding part 7e Shaft 7f Shaft 7g Wavy wall surface 8 Transfer tape 9 Refill unit 10 Winding mechanism 11 Transfer head 11a Transfer head tip 11b Transfer roller 11c Arm 11d Locking part 11e Locking protrusion 11f Insertion part 12 Sliding mechanism 13 First spring 14 Large gear 15 Second spring 16 Spring restraint 17 Small gear

Claims (7)

Replaceable refill unit consisting of a supply reel, a take-up reel, and a holder with an unused transfer tape wrapped in an open / closed case that consists of a support part with a transfer head and a lid, and an opening at the front end. A coating film transfer tool that is loaded onto the supply reel, is fed out on the supply reel, is reversed at the tip of the transfer head, and is wound on the take-up reel,
A coating film transfer tool, wherein the transfer head is attached to a support portion so as to be slidable back and forth, and the transfer head is moved by a certain amount in conjunction with opening and closing operations of the support portion and the lid portion.   2. The coating film transfer tool according to claim 1, wherein the transfer head is provided with a spring member for moving the transfer head backward in conjunction with the opening and closing operations of the support portion and the lid portion.   The transfer head is provided with a locking projection, and an opposing lid portion is provided with a locking hole that can be engaged with the locking projection and an inclined surface that is inclined downward toward the locking hole. The coating film transfer tool according to claim 1 or 2. In conjunction with the opening and closing operations of the support portion and the lid portion, in the closed state, the transfer head moves forward by the engagement protrusion provided on the transfer head engaging with the engagement hole provided on the lid portion. The transfer tape is held in a stretched state at the tip of the transfer head, and in the opened state, the lock is released, so that the transfer head is retracted by a certain amount by the biasing force of the spring member,
By moving the lid from the open state to the closed state, the locking projection is guided to the locking hole along the inclined surface provided on the lid, so that the retracted transfer head can stretch the transfer tape. The coating film transfer tool according to claim 2 or 3, wherein the film transfer tool is advanced to a position where it is placed.   The tape holder for holding the state where the transfer tape pulled out from the supply reel is stretched at the tip of the transfer head is provided in the holder of the refill unit. Coating film transfer tool. An opening / closing case having an opening at the front end, consisting of a support portion and a lid portion that are slidably attached to the transfer head back and forth,
The transfer head is provided with a locking projection, a locking hole in which the locking projection can be engaged with the opposing lid, and the locking hole for guiding the locking projection to the locking hole. A coating film transfer tool case characterized in that a transfer head is moved by a certain amount in conjunction with opening and closing operations of the support portion and the lid portion. 7. The coating film transfer tool case according to claim 6, wherein the transfer head is provided with a spring member for moving the transfer head rearward.

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