CN106313129A - A tool with an automatic blade resetting device - Google Patents
A tool with an automatic blade resetting device Download PDFInfo
- Publication number
- CN106313129A CN106313129A CN201510350454.6A CN201510350454A CN106313129A CN 106313129 A CN106313129 A CN 106313129A CN 201510350454 A CN201510350454 A CN 201510350454A CN 106313129 A CN106313129 A CN 106313129A
- Authority
- CN
- China
- Prior art keywords
- blade unit
- blade
- cutter
- operation device
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
- B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use
- B26B5/003—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use comprising retraction means for the blade or the blade holder
Abstract
The invention provides a tool (1) with an automatic blade resetting device. The tool comprises a shell (2), a movable operating device (4), and a rotatable blade unit (30). The blade unit can be connected with the operating device (4) and can move from a position moving into the shell (2) to a position moving out of the shell (2) by means of the operating device (4). The blade unit (30), by means of the action of shearing force, rotates from a connection position where the blade unit (30) and the operating device (4) are connected to a release position where the blade unit (30) is not connected with the operating device (4) at the moving-out position. The tool also comprises a resetting element (34) which consistently applies resetting force to the blade unit (30) in the direction facing the moving-in position.
Description
Technical field
The present invention relates to a kind of cutter with automatic blade resetting means, it has: housing；Energy
The operation device of motion；The blade unit that can rotate, described blade unit can connect with operation device
Close, and described blade unit can move to from the position moved into housing by means of operation device
From the position of housing removal, wherein blade unit can be from cutter in the position of removal by shear force
Blade unit with operation means for engaging bonding station turn to blade unit not with operation means for engaging
Off-position in；With reset element, described reset element all the time by reset force towards move into position
The direction put is applied on blade unit.
Background technology
This cutter with automatic blade resetting means allows the operation shape of blade and operation device
State the most automatically moves to inflow location from outflow location, in described outflow location, and cutter
Sheet stretches out at least in part from the housing of cutter, and in described inflow location, blade is the most complete
It is arranged in the housing of cutter.
Therefore, the motion of blade can be decoupled with the motion of operation device, by means of described operation dress
Put, generally blade can be released from housing by thumb or forefinger.Filling with operation of blade
The decoupled of the motion put is applied on blade realize by shear force.Shear force effect causes the de-of blade
Coupling moves, and described decoupled motion such as can be configured to rotational motion.In the case of decoupled, behaviour
Make device release blade so that blade and operation device can move independently of each other.
After cutting process terminates to remove the shear force effect to blade afterwards, blade directly and
Independently inflow location is moved to by means of reset element from outflow location with the state of operation device
In.
The cutter with automatic blade resetting means is particularly intended for following situation: at cutting process
There is unexpected motion in period.The user of usual this cutter estimates the cutting energy of blade mistakenly
Power or the resistivity of cut substrate so that as long as cutter leaves cut substrate, the user of cutter due to
Too high firmly loses the control to motor process.Due to this uncontrollable tool motion, have
The cutter of the blade of removal to the user of cutter itself, to be also pointed to neighbouring personnel be obvious
Risk of injury.Furthermore it is possible to the unexpected failure of the object to surrounding occurs.
By the automatic tool after the shear force effect of cutter being resetted removing, it is to avoid this pass through
Unexpected and uncontrollable cutter guides the injury to personnel and article to damage.Due to this in use
The safety improved during cutter, described cutter is referred to as safety cutter.
Safety cutter known in the prior art is generally of the mechanism of complexity, and described mechanism is in mistake
The high risk of disabler is born in the case of degree load.Especially, it is known that the cutter of safety cutter
Sheet guides and decoupled mechanism stands disabler the most in the following cases: cutter housing is due to super negative
Lotus is damaged or deforms.
The safety cutter with automatic tool resetting means is such as known from EP 1864766B1.
The safety cutter proposed has blade unit, and described blade unit revolves under shear force effect in the housing
Rotate into and cause the decoupled of manually operable operation device.The longitudinal guide of blade unit is due to cutter
Limited structure space within tool housing is realized by the pin being laterally arranged on blade unit,
Described pin can move in the elongated hole of cutter housing.
Can occur in the case of the longitudinal guide of the above-mentioned type, in the situation of cutter over loading
Under, such as in the case of the excessive Lateral Force to cutter housing, due to housing flexibility,
Occur that induction element is disengaged.This can damage to big degree the function of cutter.
Additionally, from DE 10 2,011 007 234 B3 known a kind of safety cutter, described guarded knife
Tool relies on single coupling element, in order to realize manually operable operation device and cutting blade
Couple or decoupled.In the safety cutter proposed, mechanism is expanded by additional sensitive coupling mechanisms
Exhibition.
Summary of the invention
Therefore, the purpose that the present invention is based on is, it is provided that the automatic blade that has of a kind of improvement is answered
The cutter of position device.Especially, it is an object of the invention to provide a kind of cutter, described cutter relative to
Known cutter has the risk of the reduction of disabler and/or relative to the raising of excessive load
Robustness.
The present invention realizes the purpose being based on, described cutter by the cutter of type starting to mention
There is the slide block that can move, described slide block can be installed blade unit rotationally.
The present invention uses following knowledge: by the additional slide block that can move, it is not necessary to by means of shell
The necessity of body guiding blade unit.Damage or bending if there is housing, then according to this
In the cutter of invention, there is the wind significantly reduced of disabler compared with existing solution
Danger.Additionally, cutting tool according to the present invention abandons single coupling element, thus significantly simplify cutter
Tool mechanism.
Cutting tool according to the present invention first preferred embodiment in, slide block can be together with blade
Unit moves between inflow location and outflow location along longitudinal axis together.Preferably, slide block and
Blade unit is disposed entirely within the housing of cutter in inflow location.Because moving into position at slide block
When putting motion between outflow location, blade unit moves to outflow location from inflow location equally
In, it is possible to avoid the contact between blade unit and housing completely.Slide block and cutter only occur
The contact of housing.Owing to avoiding the contact between blade unit and housing, in housing failure, example
Continue to reduce the risk of disabler as in the case of housing fracture or housing distortion.
Cutting tool according to the present invention second preferred embodiment in, slide block is directed so that
It is essentially prevented the rotational motion of slide block.Therefore, it is to avoid slide block or can install rotationally on slide block
The crimping of blade unit.
Cutting tool according to the present invention another preferred embodiment in, slide block has backstop,
Described backstop is the most common with housing or operation device in the outflow location of blade unit
Effect so that prevent blade unit from continuing to move out.Because the restriction to the motion of blade unit is not
Carry out via blade unit itself but via the slide block that can install blade unit thereon rotationally
Carry out, so the function important at secure context of the movement limit of blade unit is held by following component
OK, described component can not rotate within housing.By slide block can not rotation, by means of only
Gear can carry out the reliable restriction of the motion to blade unit.
Cutting tool according to the present invention is improved also by following manner: blade unit includes blade and blade
Bearing part.Blade is connected with blade bearing part at this so that be essentially prevented from blade and blade carrying
Rotational motion between part.In particular, blade has one, two or more recess, blade
The one, two or more bolt of bearing part is joined in described recess.Blade and blade bearing part
Between connection can also be configured to bonding connection, stamping connection, screw connection or clamping connect.
By this two-piece type or the knife unit of multi-piece type, occur that function is decoupled.Therefore, this understands
Becoming, blade constitutes to undertake cutting function and tool carrier is constituted to realize and other cutter
Element, such as reset the mechanical coupling of element.Decoupled by this function, it is possible to use and meet merit
The material that can require so that knife unit is such as made up of stainless shear steel, in order to improvement of cutter
Cutting characteristic, and tool carrier is molded of plastic material, and can give by means of injection moulding
Described plastic material is for being encased in geometry that is favourable and that may expend in cutter mechanism.
Cutting tool according to the present invention another preferred embodiment in, blade unit have from
Moving part, described driven member can with operation device shape-ordinatedly in the bonding station of blade unit
Engage.Especially, driven member is configured to so that described driven member is in the bonding station of blade unit
Engaged in the wings by a part for operation device.Therefore, although blade unit is by means of operation device
Can move to outflow location from inflow location, but can not move to move into from outflow location
In position.Driven member is preferably configured as protuberance, and described protuberance is at the bonding station of blade unit
In there is the composition surface being substantially normal to longitudinal axis.Driven member preferably holds at the blade of blade unit
Constitute in holder.
Cutting tool according to the present invention another preferred embodiment in, reset element will reset
Power is applied on blade unit towards the direction of bonding station.Therefore, reset element is structured to,
Blade unit is not transported from outflow location with the off-position of operation means for engaging at blade unit
Move in inflow location, and blade unit is moved back from off-position in inflow location
In bonding station.Especially, acting on the reset force of blade unit towards inflow location is by the unit that resets
The longitudinal force component of the reset force that part is applied on blade unit and acting on towards bonding station
The reset force of blade unit is horizontal point of the reset force being applied on blade unit by reset element
Amount.
In an especially preferred embodiment of cutting tool according to the present invention, housing or operation dress
Put and constitute maintaining body, by means of maintaining body, at blade unit from outflow location with blade unit
After occupying off-position when moving towards the direction of inflow location, prevent blade unit towards joint
The rotational motion in the direction of position.Therefore, the rotational angle of the setting of blade unit is maintained, simultaneously
Blade unit be reset element from outflow location towards the direction of inflow location move.
Cutting tool according to the present invention is advantageously improved by following manner: maintaining body is at blade unit
Reach the release blade unit rotational motion towards bonding station the most again after inflow location.Cause
This, whole in from outflow location to inflow location of the rotational angle of blade unit retracts the process phase
Between maintain.Additionally, understand in meaning of the present invention, maintaining body also is able to reaching immigration position
The former millimeters of release blade unit rotational motions towards bonding station put, in order in manufacturing tolerance
Reliable function is also ensured that in the case of fluctuation.
Cutting tool according to the present invention another preferred embodiment in, maintaining body is configured to
Locking mechanism, its middle shell or operation device and blade unit have interoperable locking member.
By means of locking mechanism, it is possible to maintain the angle of rotation of blade unit with particularly simple type and mode
Degree.The required parts of locking mechanism such as can be manufactured by injection moulding.Locking mechanism need not
The material of cost intensive or component geometry so that this mechanism is also advantageous that at economic aspect
's.
Cutting tool according to the present invention another preferred embodiment in, housing or operation dress
The locking member put has the locking member of hook-shaped section and blade unit and has locking seamed edge.Hook
Shape section and locking seamed edge can constitute and be arranged to so that blade unit in outflow location from
Bonding station rotational motion is in the case of in off-position, and hook-shaped section engages up
(ü bergreifen) locks seamed edge so that prevent blade unit from rotating back into joint from off-position
In position.
Cutting tool according to the present invention another preferred embodiment in, blade unit move
In out position from bonding station rotational motion to off-position in the case of, housing or operation dress
The locking member put flexibly deflects.The locking mechanism of this elasticity is also known as kayser and connects dress
Put.Kayser attachment means have disabler little risk and can rapidly and cost advantages
Ground produces.
Additionally, cutting tool according to the present invention is improved by following manner: housing or operation device
Locking member has connection sheet, described connection sheet blade unit bonding station and/or release position
Contact with blade unit in putting.
According to cutter of the present invention another preferred embodiment in, operation device can be non-
Work (passive) is moved between position and cutting position, and the second reset element is by reset force
It is applied to operate on device towards the direction of off-position.The reset force of the second reset element draws
Rise, if act on operation device, the power that realizes generally by means of people's thumb or other fingers executes
Add and be interrupted, then operation device is automatically moved back off-position from cutting position.
Cutting tool according to the present invention another preferred embodiment in, operation device there is behaviour
Make housing and/or manual operation slide plate.Preferably, operation housing or operation slide plate have multiple
Extending substantially transversely to groove or groove that the direction of motion is arranged, described groove or groove contribute at operation dress
Put the power transmission between finger, such as thumb.
Accompanying drawing explanation
The further features and advantages of the present invention describes from appended claim and figure below
In draw, described accompanying drawing describe in, elaborate the reality of cutting tool according to the present invention with reference to the accompanying drawings
Execute example.It is shown in which:
Fig. 1 illustrates that the axonometric chart of cutting tool according to the present invention, the blade unit that wherein can rotate are positioned at
In inflow location；
Fig. 2 illustrates the axonometric chart of cutting tool according to the present invention, and wherein blade unit is positioned at outflow location
In；
Fig. 3 illustrates the side view of a part for cutting tool according to the present invention, and wherein blade unit is positioned at
In bonding station；
Fig. 4 illustrates the side view of a part for cutting tool according to the present invention, and wherein blade unit is positioned at
In off-position；
Fig. 5 illustrates the exploded view of a part for cutting tool according to the present invention；
Fig. 6 illustrates the side view of a part for cutting tool according to the present invention；
Fig. 7 illustrates the axonometric chart of a part for cutting tool according to the present invention；
Fig. 8 illustrates the side view of a part for the cutting tool according to the present invention in Fig. 7；
Fig. 9 illustrates the axonometric chart of a part for cutting tool according to the present invention；
Figure 10 illustrates the side view of a part for the cutting tool according to the present invention in Fig. 9；
Figure 11 illustrates the side view of a part for cutting tool according to the present invention；
Figure 12 illustrates the axonometric chart of a part for the cutting tool according to the present invention in Figure 11；And
Figure 13 illustrates the axonometric chart of a part for cutting tool according to the present invention.
Detailed description of the invention
According to the view in Fig. 1, cutter 1 has housing 2, is provided with operation in described housing
Device 4.Operation device 4 includes the operation housing 6 that can move, and described operation housing manually can move
Dynamic ground guides within the housing 2 of cutter 1.Operation device 4 is when when illustrating of cutter 1
It is in off-position.In the off-position of operation device 4, at the operation housing that can move
Intermediate space is constituted between 6 and the interior seamed edge of housing 2.
It is disposed entirely within the blade 8 within housing 2 and extends past described free space so that blade
8 from outside.Blade 8 has blade 10.By means of operation device 4, blade 8 can be from
The inflow location illustrated moves in outflow location.
In order to blade 8 can leave the shell of cutter 1 from inflow location when moving in outflow location
Body 2, housing 2 has narrow orifice 12 on side.The width of narrow orifice 12 is more than the thickness of blade 8.
Narrow orifice 12 includes the first section 14a and the second section 14b.Second section 14b is towards in housing
The direction in portion is obliquely outward constituted so that move to removal at blade 8 by means of operation device 4
Time in position, with constitute the most obliquely in the second section 14 in the case of compared with, the cutter of blade 8
The bigger section of sword 10 is stretched out from the housing 2 of cutter 1.
Housing 2 also has recess 16 on the side opposite with narrow orifice 12.Recess 16 is continuously
Constituting and have the cross section of substantial rectangular, this cross section is with the angle of rounding.Recess 16
Such as can be used in accommodating ring so that cutter 1 such as can be fixed on cutter behaviour to transport purpose
On the clothes of author.Furthermore it is possible to use recess 16 is to hang cutter 1 on receiving equipment.
Therefore, cutter 1 such as can be to preserve in the way of suspension in tool wall so that when needed may be used
With the most close.
Housing 2 also has section 18a of two opposite roundings, 18b.Falling by housing 2
Section 18a of circle, 18b, the subjective tactile impression in generation front at the user of cutter 1,
Because palm does not contact the seamed edge of formation.Section 18a of the rounding of housing 2,18b also allow for,
High pressure can be applied to shell in the case of not having subjective pain sensitivity by the user of cutter
On body 2.Section 18a of rounding, 18b rounded portions respectively with the angular range of about 180 degree
Extend.
On two sides of cutter 1, it is respectively arranged with base between section 18a, 18b of rounding
Face 20 smooth in basis.Smooth face 20 such as can be used in description information, such as cutter mark
Or manufacturer.
Fig. 2 illustrates cutting tool according to the present invention 1, and wherein blade 8 is positioned in outflow location and grasps
Make device 4 to be positioned in cutting position.In the outflow location of blade 8, described blade extends through
First section of narrow orifice 12 and the second section 14a, 14b.
Fig. 3 illustrates the side view of a part for cutting tool according to the present invention 1.The energy of operation device 4
The operation housing 6 of motion has multiple groove 22.Groove 22 contributes to the energy at operation device 4
Power transmission between operation housing 6 and finger, the such as thumb of motion.By the slightest
The groove 22 arranged at a right angle deviously and relative to the longitudinal axis of cutter 1, improve finger or
Form fit between thumb surface and the outside operating housing 6 that can move and frictional fit.
The operation housing 6 that can move is provided with the fixing equipment 24 that the form in hook is constituted.?
Fixed reset element 26 on fixing equipment 24.Reset element 26 is configured to the spiral of elastically deformable
Spring.Additionally, reset element 26 is connected with housing 2 via fixing equipment 28.At operation device
In the cutting position illustrated of 4, reset force is executed by reset element 26 towards the direction of off-position
It is added on reset element 4.
Also include that the blade unit 30 that can rotate of blade 8 has equally to be configured to the fixing of hook and set
Standby 32.Fixing equipment 32 is provided with reset element 34, described reset element equally constitute into
The helical spring of elastically deformable.Reset element 34 on another fixing equipment 36 with housing 2
Connect.This external enwergy of blade unit 30 that can rotate is rotatably mounted on the slide block 38 that can move.
But mount point is hidden by the operation housing 6 that can move operating device 4.
The blade unit 30 that can rotate in the illustrated state can be from blade unit 30 and operation dress
The bonding station putting 4 joints turns to the release position that blade unit 30 does not engages with operation device 4
In putting.
In the diagram, the blade unit 30 that can move is in off-position so that blade unit
30 do not engage with operation device 4.Blade unit 30 from bonding station (Fig. 3) to off-position
In rotational motion caused by the effect of shear force Fs.Shear force Fs basically by by blade 8 or
The blade 10 of blade 8 is pressed in cut substrate generation.Act on blade 8, cause blade list
Unit 30 from bonding station to off-position in the use of size and cutter of shear force of rotational motion
The power that person is applied on housing is correlated with.Blade unit 30 can rotate on the slide block 38 that can move
Installation be configured to so that for the shear force that the thin paper tape of cutting is enough have resulted in blade unit from
Bonding station rotational motion is in off-position.
Fig. 5 illustrates the exploded view of a part for cutting tool according to the present invention.The blade unit that can rotate
30 include blade 8 and blade bearing part 40.Blade 8 is by means of blade fixing device 42 and cutter
Sheet bearing part 40 connects so that be essentially prevented from the rotational motion between blade and blade bearing part.
Blade bearing part 42 is made up of plastics and has the driven member 44 being configured to protuberance.Driven member
In 44 bonding stations engaged with operation device 4 being positioned at the blade unit 30 that can move.If
In occurring that the blade unit 30 that can move is from bonding station rotational motion to off-position, then release
Put the joint of driven member.
Blade bearing part 40 also has locking seamed edge 46, and described locking seamed edge constitutes blade bearing part
On lateral protuberance.Protuberance is adjacent to the recess 48 of blade bearing part 40.Pacify thereon
The slide block 38 that can move equipped with the blade unit 30 that can rotate has two opposite and bases
Face 50a, the 50b stretched abreast in basis.Face 50a, 50b and the operation housing of operation device 4
The inner face of 6 acts on jointly so that the slide block 38 that realization can be moved longitudinal direction within operation housing 6
Guide.The slide block 38 that can move also has backstop 52, and described backstop limits cunning facing one direction
Block 38 is relative to the lengthwise movement of operation device 4.The restriction of the lengthwise movement of slide block 38 is via cunning
The form fit of the backstop 52 of block 38 and the operation outer seamed edge of housing 6 or outside jointly act on into
OK.
Operation device 4 has hook-shaped section 54, described hook-shaped section and movable blade unit
The locking seamed edge 44 of 30 constitutes the maintaining body constituted as locking mechanism.Maintaining body is configured to
For, prevent from occupying release position from outflow location when blade unit 30 moves towards inflow location
The blade unit 30 that can rotate after putting is towards bonding station rotational motion.It is configured to locking mechanism
Maintaining body be designed at this, the most again discharge when blade unit 30 reaches inflow location
Blade unit 30 is towards the rotational motion of bonding station.Connect sheet 56 and be connected to hook-shaped section 54
On, described connection sheet is connected via the remainder of material bridge 58 with operation device 4.If cutter
Blade unit 30 in outflow location from bonding station rotational motion to off-position in, then connect
Sheet 56 and hook-shaped section 54 flexibly offset.Elastic can be offset resistance particularly by material bridge 58
Torsion capacity realize.
Fig. 6 illustrates the side view of a part for cutting tool according to the present invention.Including blade bearing part 40
And the blade unit 30 that can rotate of blade 8 via articulated mounting 60 can rotationally with can move
Slide block 38 connect.Driven member 44 is in and operates the operation housing 6 that can move of device 4
In the bonding station illustrated.By stop surface 62 and the blade unit that can rotate of operation housing 6
The common effect of the form fit of the driven member 44 of 30 and realize engaging.
The slide block 38 that can move can be along lengthwise movement direction 64,66 within operation device 4
Motion.In the state illustrated, blade unit and slide block are in outflow location so that described blade
By backstop 52, unit and slide block stop that continuation is moved along the direction of motion 66.At blade unit 30
When bonding station turns to off-position, reset element 34 (the most not shown) allows
Slide block 38 is longitudinally transported along longitudinal axis 70 towards the direction of inflow location 64 together with blade unit 30
Dynamic.In rotational direction 72 carry out blade unit 30 to the rotational motion in off-position.Rotation side
To 74 corresponding to blade unit 30 from off-position to bonding station in motion.Operation device 4
In addition there is face 50a, 50b of guide surface 68a, 68b for slide block, described guide surface and slide block
Common effect.
Fig. 7 illustrates operation housing 6, the blade unit 30 that can rotate of operation device 4 and can transport
Dynamic slide block 38.About operation device 4, blade unit 30 is in removal state.Additionally,
Blade unit is in bonding station so that blade unit 30 engages with operation device 4.Operation
Within the hook-shaped section 54 of device 4 is arranged on recess 48 below locking seamed edge 46.By cutting
Power Fs is applied on the blade 10 of blade 8, blade unit 30 occurs to turning in off-position
Dynamic motion 72.
Fig. 8 illustrates, at blade unit 30 towards (rotation direction in the rotational motion of off-position
72), the rear portion being arranged in housing (not shown) of blade unit 30 is towards at the bottom of housing
The direction deflection in portion.During the rotational motion of blade unit 30, occur about locking seamed edge 46
Engage hook-shaped section 54 up.At blade unit 30 towards during the rotational motion of off-position,
Connect sheet 56 and hook-shaped section 54 flexibly deflects.After engaging locking seamed edge 46 up,
Again eliminate and connect sheet 56 and hook-shaped section 54 elastic deflection.Due to about locking seamed edge
Engaging hook-shaped section up, rotational motion returns to bonding station from off-position to prevent blade unit
In.
Fig. 9 illustrates the blade unit 30 that can rotate being in off-position, in described off-position
In, blade unit 30 does not engages with operation device 4.If in order to remove the shear force to blade 8
Act on and interrupt cutting process, then blade unit 30 can be together with the slide block 38 that can move
Move in inflow location (direction of motion 64).Blade unit 30 and slide block 38 motion by
The reset force being applied on blade unit 30 in reset element causes.
Figure 10 illustrates, driven member 44 is no longer engaged in the wings by the section of operation device 4 so that
It is no longer prevented from the motion in the blade unit 30 direction towards inflow location.Due to by hook-shaped section
54 maintaining bodies realized with the interaction locking seamed edge 46, reach to move at blade unit 30
The rotational motion towards bonding station of blade unit 30 is the most again discharged during position.
Figure 11 and Figure 12 illustrates following state, and in described state, blade unit 30 has reached to sail
Enter position so that again release blade unit 30 from off-position to bonding station in rotational motion.
Therefore, the rotational motion of blade unit 30 is no longer by hook-shaped section 54 and locking seamed edge 46
Common effect stops.
As figure 13 illustrates, now by moving into operation device 4, such as multiple by another
Bit unit, it is possible to blade unit 30 is engaged with operation device 4 again.Here, blade occurs
Relative motion between unit 30 and operation device 4 so that the driven member 44 of blade unit 30
Again engaged in the wings by the section of operation device 4.Between blade unit 30 and operation device 4
Relative motion caused by following manner: move into operation device 4 time, prevent blade unit from wearing
The housing (not shown) crossing cutter moves into.Therefore, re-establish the original state of cutter, make
Must be by the operation of operation device 4, i.e. by mobile operation housing 6, it is possible to start new cutting
Process and automatic tool resetting means are that function is ready.
Reference numerals list:
1 cutter
2 housings
4 operation devices
The 6 operation housings that can move
8 blades
10 blades
12 narrow orifices
First and second sections of 14a, 14b narrow orifice
Recess in 16 housings
The section of the rounding of 18a, 18b housing
20 substantially flat
22 grooves
24 fix equipment
26 reset elements
28 fix equipment
30 blade units that can rotate
32 fix equipment
34 reset elements
36 retaining elements
38 slide blocks that can move
40 blade bearing parts
42 blade fixing devices
44 driven members
46 locking seamed edges
48 recesses
The outside of 50a, 50b slide block
52 backstops
54 hook-shaped sections
56 connect sheet
58 material bridge
60 articulated elements
62 stop surfaces
64 towards the direction of motion of inflow location
66 towards the direction of motion of outflow location
68a, 68b are for the guide surface of slide block
70 longitudinal axis
72 towards the rotation direction of off-position
74 towards the rotation direction of bonding station
Fs shear force
Claims (15)
1. a cutter (1) with automatic blade resetting means, has:
Housing (2)；
The operation device (4) that can move；
The blade unit (30) that can rotate, described blade unit can be with described operation device (4)
Engage, and described blade unit can be by means of described operation device (4) from moving into described shell
Position in body (2) moves to from the position that described housing (2) removes,
Wherein said blade unit (30) is acted in outflow location from described blade list by shear force
The bonding station that unit (30) engages with described operation device (4) turns to described blade unit (30)
The off-position not engaged with described operation device (4)；And
Reset element (34), described reset element all the time by reset force towards the direction of inflow location
It is applied on described blade unit (30),
It is characterized in that,
It is provided with the slide block (38) that can move, described slide block can be installed described blade list rotationally
Unit (30).
Cutter the most according to claim 1 (1),
It is characterized in that, described slide block (38) can edge together with described blade unit (30)
Longitudinal axis (70) to move between described inflow location and described outflow location.
Cutter the most according to claim 1 and 2 (1),
It is characterized in that, described slide block (38) is directed so that be essentially prevented described slide block (38)
Rotational motion.
4. according to the cutter (1) according to any one of the claims,
It is characterized in that, described slide block (38) has backstop (52), and described backstop is at described cutter
With described housing (2) or described operation device (4) in the described outflow location of blade unit (30)
The most jointly act on so that stop continuing to move out of described blade unit (30).
5. according to the cutter (1) according to any one of the claims,
It is characterized in that, described blade unit (30) includes blade (8) and blade bearing part (40),
Wherein said blade (8) is preferably connected with described blade bearing part (40) so that substantially hinder
The only rotational motion between blade (8) and blade bearing part (40).
6. according to the cutter (1) according to any one of the claims,
It is characterized in that, described blade unit (30) has driven member (44), described driven member
The described bonding station of described blade unit (30) can shape-ordinatedly fill with described operation
Put (4) to engage.
7. according to the cutter (1) according to any one of the claims,
It is characterized in that, described reset element (34) by reset force towards the side of described bonding station
To being applied on described blade unit (30).
8. according to the cutter (1) according to any one of the claims,
It is characterized in that, described housing (2) or described operation device (4) and described blade unit
(30) maintaining body is constituted together, by means of described maintaining body, in described blade unit (30)
Occupy when moving towards the direction of described inflow location from described outflow location described off-position it
After, stop the described blade unit (30) rotational motion towards described bonding station.
Cutter the most according to claim 8 (1),
It is characterized in that, when described blade unit (30) reaches described inflow location, described guarantor
Hold mechanism and again discharge the described blade unit (30) rotational motion towards described bonding station.
Cutter the most according to claim 9 (1),
It is characterized in that, described maintaining body is configured to locking mechanism, wherein said housing (2)
Or described operation device (4) and described blade unit (30) have interoperable locking member.
11. cutters according to claim 10 (1),
It is characterized in that, described housing (2) or described operation device (4) locking member tool
The locking member having hook-shaped section (54) and described blade unit (30) has locking seamed edge (46),
Wherein described blade unit (30) in described outflow location from described bonding station rotational motion
Time in described off-position, described hook-shaped section (54) engages described locking seamed edge up
(46) so that stop described blade unit (30) from described off-position rotate back into described in connect
Close in position.
12. cutters according to claim 11 (1),
It is characterized in that, described blade unit (30) in described outflow location from described joint
Position rotational motion to time in described off-position, described housing (2) or described operation device
(4) locking member is flexibly deflected.
13. according to the cutter (1) described in claim 11 or 12,
It is characterized in that, described housing (2) or described operation device (4) locking member tool
Have connection sheet (56), described connection sheet described blade unit (30) described bonding station and/
Or described off-position contacts with described blade unit (30).
14. according to the cutter (1) according to any one of the claims,
It is characterized in that, described operation device (4) can off-position and cutting position it
Between move, and the second reset element (26) by reset force towards the direction of described off-position
It is applied on described operation device (4).
15. cutters according to claim 14 (1),
It is characterized in that, described operation device (4) has operation housing (6) and/or manual
Operation slide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350454.6A CN106313129B (en) | 2015-06-23 | 2015-06-23 | Cutter with automatic blade resetting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350454.6A CN106313129B (en) | 2015-06-23 | 2015-06-23 | Cutter with automatic blade resetting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106313129A true CN106313129A (en) | 2017-01-11 |
| CN106313129B CN106313129B (en) | 2019-06-18 |
Family
ID=57728361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510350454.6A Active CN106313129B (en) | 2015-06-23 | 2015-06-23 | Cutter with automatic blade resetting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106313129B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872979A (en) * | 2019-12-11 | 2020-11-03 | 广州宝瑰贸易有限公司 | Safety cutter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223988A (en) * | 2008-10-13 | 2011-10-19 | Adco工业技术有限合伙公司 | Utility cutter |
| CN102729262A (en) * | 2011-04-12 | 2012-10-17 | 玛托两合公司 | Safety knife |
-
2015
- 2015-06-23 CN CN201510350454.6A patent/CN106313129B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223988A (en) * | 2008-10-13 | 2011-10-19 | Adco工业技术有限合伙公司 | Utility cutter |
| CN102729262A (en) * | 2011-04-12 | 2012-10-17 | 玛托两合公司 | Safety knife |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872979A (en) * | 2019-12-11 | 2020-11-03 | 广州宝瑰贸易有限公司 | Safety cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106313129B (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3385043B1 (en) | Universal razor cartridge handle | |
| AU2017327812B2 (en) | Bidirectional shaving device | |
| EP2344304B1 (en) | Shaving assembly | |
| EP2943319B1 (en) | Rotary electric shaver | |
| EP3549730B1 (en) | Shaving razor handle | |
| EP2480385B1 (en) | Shaving razors and cartridges | |
| EP2117786B1 (en) | Razor handle | |
| EP3565690B1 (en) | Razor cartridge connector | |
| CA2823755C (en) | Lawnmower with operation protection and safety switch mechanism thereof | |
| EP1308250A1 (en) | Razor assembly with replaceable cartridge | |
| EP3463769B1 (en) | Attachment for a personal care device | |
| CN106313129A (en) | A tool with an automatic blade resetting device | |
| EP3142904B1 (en) | Windscreen wiper device | |
| EP3378611B1 (en) | Razor | |
| US20180207824A1 (en) | Razor system | |
| US20170120870A1 (en) | Wiper system for a vehicle that disengages in the event of torque exceeding a threshold | |
| EP2108490A2 (en) | Electric rotary-blade knife | |
| EP3353018B1 (en) | Windscreen wiper device | |
| CN209970794U (en) | Shaver handle convenient for dismounting and mounting of shaver head and shaver | |
| CN210404185U (en) | Metal clamping control rod structure and connector shield | |
| CN105810524B (en) | Switching device and the switching device with fuse | |
| CN220512995U (en) | Contact lens wearing aid | |
| EP4335602A1 (en) | Razor connector | |
| CN117295591A (en) | razor handle | |
| EP3206919B1 (en) | Windscreen wiper device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |