DE202008004001U1 - Carpet knife with a pressure mechanism for blade extension - Google Patents

Abstract

A carpet knife with a blade extension pressure mechanism, comprising
- A first housing (10) having a front axle body (11) and a rear axle body (12);
- A stop (20) having a blade located at the front end (21), a rear end befindliches elongated locking hole (22) and between the blade seat (21) and the locking hole (22) arranged securing part (23);
- A pressure element (30) having a front end located axial connection (31) and a hinged at the rear end movable locking button (32);
- A coupling unit (40) having a at the front axle body (11) axially arranged Querschiebachse (41) and at the rear axle body (12) axially arranged axis of rotation (42), wherein the two ends of Querschiebachse (41) respectively with the front Axis body (11) of the first housing (10) and with the securing part (23) of the stop (20) are pivotally connected, and the axis of rotation (42) has a first end (421), a second end ...

Description

Technical area

The The invention relates to a carpet knife with a printing mechanism for blade extension, especially a simple and easy to handle Carpet knife with a pressure mechanism for blade extension.

State of the art

at the conventional one Carpet knives will usually inside the hollow casing one Blade used in addition secured by a blade pusher. When working works the blade due to the toothing between the blade slider and the hollow case such that she forward or backward by one Section shifts every time the blade slider exceeds a tooth. In this way, the blade is extended the longer, often the blade slider outward is pushed; vice versa the blade by moving in the opposite direction to the original Lead the place, so that Carpet knife when not in use does not cause injury.

at the conventional one Carpet knives lets Although the blade through the toothing off appropriately and back, but the section made moving the blade is impractical; Furthermore easily happens an injury, especially in children, in the case that the Do not completely blade into the case retracted.

Object of the invention

Of the Invention is based on the object, a carpet knife with a To create pressure mechanism for blade extension, the simple, easy is manageable and safe, with the blade retract quickly into the housing leaves.

Technical solution

These Task is solved through a carpet knife with a pressure mechanism for blade extension with the features of claim 1. Advantageous embodiments are the subject of the dependent Claims.

The o. g. Task is solved by a fiction, according carpet knife with a pressure mechanism for blade extension, consisting of a first Casing, a stop, a pressure element, a coupling unit, a second housing, a blade and an outer cover consists. The first case has a front axle body and a rear axle body on; the stopper has a front end blade seat, an elongated detent hole located at the rear end and between on the blade seat and the locking hole arranged securing part; the pressure element has an axial end located at the front end Connection and a hinged at the rear end movable Lock button on; the coupling unit has one at the front axle body axially arranged Querschiebachse and axially on the rear axle body arranged axis of rotation, wherein the two ends of the transverse sliding axis each with the front axle body of the first housing and are hinged to the securing part of the stop, and the rotation axis has a first end, a second end and an intermediate Having the first and the second end arranged slot, wherein the first end with the rear axle body of the first housing and the second end with the elongated detent hole the stop are hinged; the second housing and the first case fit together to the stop, the pressure element and clamp the coupling unit; the second housing has a main body, a through the main body of the second housing through opening for Blade changes and a side cover; when open Side cover allows the blade at the opening to change blades be attached to the blade seat of the stopper and by means of a Blade holder to be attached; the outer cover has a front End stop piece and a rear end recess, wherein the Outer cover the rear ends of the first housing, of the second housing and the pressure element covered and by means of the locking piece in a Detent hole engages, the first and the second housing together form; is the rausguckende at the recess movable locking button the pressure element is brought into the locked state, so will he outside the recess latched to the pressing of the pressure element to Reduce; conversely, the movable lock button can go through pass through the recess when the movable lock button is brought into the unlocked state, so that the pressure element through the Clutch unit in turn the stop and the blade to Moves to push out the blade from the first and the second housing.

Short description of the drawing

1 shows a perspective view of a carpet knife according to the invention with a printing mechanism for blade extension.

2 shows an exploded perspective view of the carpet knife according to the invention with a printing mechanism for blade extension 1 ,

3 shows a perspective view of the second housing, the stopper and the pressure element in the assembled state.

4 shows a sectional view of the second housing in the assembled state, wherein the opening for blade replacement is covered by the side cover.

5 shows a sectional view of the second housing in the assembled state, wherein the side cover separates from the opening for blade replacement.

6 shows a perspective view of the carpet knife according to the invention in the disassembled state, wherein the blade is replaced.

7 shows a side view of the carpet knife according to the invention, wherein the pressure element is locked by the movable lock button.

8th shows a side view of the carpet knife according to the invention, wherein the pressure element is not locked by the movable lock button.

9 shows a side view of the carpet knife according to the invention, wherein the pressure element is actuated to extend the blade.

10 shows a side view of the combination of the button for blade removal and the second housing.

11 illustrates the removal of the blade in side view.

Ways of executing the invention

in the Following are the tasks, features and benefits of the present Invention with reference to the detailed description of an embodiment and the attached Drawings closer explained become. However, the invention should not be limited to the description and the attached Limited drawings become.

1 . 2 show an embodiment of the invention carpet knife with a pressure mechanism for blade extension, consisting of a first housing 10 , a stop 20 , a printing element 30 , a coupling unit 40 , a second housing 50 , a blade 60 , an outer cover 70 and a button for blade removal 80 exists, where:
the first case 10 has a front axle body 11 and a rear axle body 12 on;
the stop 20 has a front end blade seat 21 , an elongated detent hole located at the rear end 22 and one between the blade seat 21 and the detent hole 22 arranged security part 23 on;
the pressure element 30 has an axial connection located at the front end 31 and a movable locking button pivotally connected at the rear end 32 on, the rocking inside the recess 33 is arranged articulated;
like out 3 it can be seen has the coupling unit 40 one on the front axle body 11 axially arranged transverse sliding axis 41 and one on the rear axle body 12 axially arranged axis of rotation 42 on, with the two ends of the transverse sliding axis 41 each with the front axle body 11 of the first housing 10 and with the security part 23 of the stop 20 articulated, and the axis of rotation 42 a first end 421 , a second end 422 and one between the first and second ends 421 . 422 arranged slot 423 has, wherein the first end 421 with the rear axle body 12 of the first housing 10 and the second end 422 with the elongated detent hole 22 of the stop 20 are articulated connected;
like out 4 . 5 it can be seen, fit the second housing 50 and the first case 10 together to the stop 20 , the pressure element 30 and the coupling unit 40 clamp; the second housing 50 has a main body 51 , one through the main body 51 of the second housing 50 through opening for blade change 52 and a side cover 53 on; the side cover 53 has a main body 531 and a movable locking piece 532 on, with the main body 531 in its lower area with the lower side of the opening for blade change 52 of the main body 51 of the second housing 50 is in latching connection while the main body 531 in its upper area with the upper side of the opening for blade change 52 is in removable latching connection, wherein the side cover 53 at the opening for blade change 52 from the second housing 50 for the purpose of blade replacement can be separated by the fact that the movable locking piece 532 is pressed down so that it is from the opening to the blade change 52 separates (see 5 );
like out 6 is apparent; is the blade 60 a steel disc with cutting edge; at the opened side cover 53 can the blade 60 at the opening for blade change 52 on the blade seat 21 of the stop 20 be attached and by means of a blade holder 61 be attached;
the outer cover 70 has a locking piece located at the front end 71 and a rear end recess 72 on, with the outer lid 70 the rear ends of the first housing 10 , the second housing 50 and the printing element 30 covered and by means of the locking piece 71 in a rest hole 54 snaps, the first 10 and the second casing 50 to form together; the movable lock button 32 of the printing element 30 looks outside the recess 72 out;
will be at the recess 72 looking out moving lock button 32 of the printing element 30 put in the locked state, like out 7 it is obvious that he is outside the recess 72 latched to the actuation of the pressure element 30 in spite of pushing in the direction of the arrow in whatever way to diminish, so that the blade 60 remains in the housing and no injury is possible;
becomes the lock button 32 in the unlocked state, as out 8th and 9 can be seen, it sinks into the recess 33 ; now the lock button can 32 through the recess 72 go through it when the pressure element 30 in the direction of the arrow in 9 is pressed; the pressure element 30 moves through the axial connection 31 the axis of rotation 42 who continue the attack 20 so shifts that the stop 20 the blade 60 from the first one 10 and the second housing 50 postponed for the purpose of cutting; Furthermore, when moving the blade runs 60 in the direction mentioned the Querschiebachse 41 along the security part 23 (The security part is here a guide bar) 3 . 9 , so that the shifting is stable and purposeful and no temptation or separation occurs.

As 2 . 10 and 11 is apparent, the second housing 50 further with an insertion hole 55 for installing the button for blade removal 80 Mistake. By pressing the button for blade removal 80 becomes the blade holder 61 pressed the blade 60 let go. Because the blade 60 one cutting edge at the front and one at the back 601 . 602 has, the user can use the blade 60 from a blade exit 56 (the blade exit 56 is from the front slots of the first and second housings 10 . 50 trained) to quickly replace the pages; once the one cutting edge 601 welded or broken, the sides can be removed by pressing the button for blade removal 80 be replaced quickly, so that the cutting with the other cutting edge 602 can be continued. Replacing the sides of the blade 60 Alternatively, by removing the side cover 53 respectively; however, the page replacement is done by pressing the button to remove the blade 80 faster and easier.

In summary, the carpet knife according to the invention with a printing mechanism for blade extension is advantageous in that the blade 60 by a single push of the pressure element 30 can be easily and quickly extended; In addition, the pressure element 30 through the movable lock button 32 be locked in order to avoid an accidentally caused unwanted blade exit and thus related hazards.

The invention thus relates to a carpet knife with a printing mechanism for blade extension, consisting of a first housing ( 10 ), a stop ( 20 ), a printing element ( 30 ), a coupling unit ( 40 ), a second housing ( 50 ), a blade ( 60 ) and an outer cover ( 70 ). If the at the recess ( 72 ) out-looking movable lock button ( 32 ) of the printing element ( 30 ) is brought into the locked state, so it is outside the recess ( 72 ) latched to the pressing of the pressure element ( 30 ) reduce; conversely, the movable lock button ( 32 ) through the recess ( 72 ) when the movable lock button ( 32 ) is brought into the unlocked state, so that the pressure element ( 30 ) through the coupling unit ( 40 ) in turn the stop ( 20 ) and the blade ( 60 ) to move the blade ( 60 ) from the first ( 10 ) and the second housing ( 50 ). In this way, the blade ( 60 ) operate comfortably.

The The above description represents only a preferred embodiment of the invention and is not intended to limit the claims. All equivalent changes and modifications made by those skilled in this technical field according to the description and the drawings of the invention are within the scope of the present invention Invention. The scope of the invention is directed to the following claims.

10

first casing

11

front axle body

12

rear axle body

20

attack

21

blade seat

22

catch hole

23

securing part

30

pressure element

31

axial connection

32

Portable Lock Knob

33

recess

40

clutch unit

41

Cross slide axis

42

axis of rotation

421

first The End

422

second The End

423

Long hole

50

second casing

51

Main body of the housing

52

Opening to the blade switch

53

side cover

531

Main body of the cover

532

portable locking piece

54

catch hole

55

insertion

56

blade length

60

blade

601

cutting edge

602

cutting edge

61

blade holder

70

outer cover

71

locking piece

72

recess

80

stud for blade removal

Claims (3)

A carpet knife having a blade extension pressure mechanism, comprising - a first housing ( 10 ), which has a front axis body ( 11 ) and a rear axle body ( 12 ) having; - a stop ( 20 ), which has a front end blade seat ( 21 ), an elongated detent hole located at the rear end ( 22 ) and one between the blade seat ( 21 ) and the detent hole ( 22 ) arranged security part ( 23 ) having; A printing element ( 30 ), which has a front end axial connection ( 31 ) and a hinged at the rear end movable locking button ( 32 ) having; A coupling unit ( 40 ), one on the front axis body ( 11 ) axially arranged transverse sliding axis ( 41 ) and one on the rear axle body ( 12 ) axially arranged axis of rotation ( 42 ), wherein the two ends of the transverse sliding axis ( 41 ) each with the front axle body ( 11 ) of the first housing ( 10 ) and with the security part ( 23 ) of the stop ( 20 ) are pivotally connected, and the axis of rotation ( 42 ) a first end ( 421 ), a second end ( 422 ) and one between the first and second ends ( 421 . 422 ) arranged slot ( 423 ), wherein the first end ( 421 ) with the rear axle body ( 12 ) of the first housing ( 10 ) and the second end ( 422 ) with the elongated detent hole ( 22 ) of the stop ( 20 ) are hinged; A second housing ( 50 ) connected to the first housing ( 10 ) to match the attack ( 20 ), the pressure element ( 30 ) and the coupling unit ( 40 ) to clamp; the second housing ( 50 ) has a main body ( 51 ), one through the main body ( 51 ) of the second housing ( 50 ) through opening for blade change ( 52 ) and a side cover ( 53 ) having; - a blade ( 60 ) with the side cover open ( 53 ) at the opening for changing blades ( 52 ) on the blade seat ( 21 ) of the stop ( 20 ) and by means of a blade holder ( 61 ) can be attached; and - an outer lid ( 70 ), which is a locking piece located at the front end ( 71 ) and a recess located at the rear end ( 72 ), wherein the outer cover ( 70 ) the rear ends of the first housing ( 10 ), the second housing ( 50 ) and the printing element ( 30 ) and by means of the locking piece ( 71 ) in a detent hole ( 54 ) engages the first and the second housing ( 10 . 50 ) together forming movable locking button ( 32 ) of the printing element ( 30 ) looks outside the recess ( 72 ) out; is the at the recess ( 72 ) looking out movable lock button ( 32 ) of the printing element ( 30 ) is brought into the locked state, so it is outside the recess ( 72 ) to press on the printing element ( 30 ) reduce; conversely, the movable lock button ( 32 ) through the recess ( 72 ) when the movable lock button ( 32 ) is brought into the unlocked state, so that the pressure element ( 30 ) through the coupling unit ( 40 ) in turn the stop ( 20 ) and the blade ( 60 ) to move the blade ( 60 ) from the first ( 10 ) and the second housing ( 50 ). A carpet knife according to claim 1, characterized in that the second housing ( 50 ) further with an insertion hole ( 55 ) for installing the button for blade removal ( 80 ) and that by pressing the button for blade removal ( 80 ) of the blade holder ( 61 ) is pressed to the blade ( 60 ) let go. A carpet knife according to claim 1, characterized in that the side cover ( 53 ) of the second housing ( 50 ) a main body ( 531 ) and a movable locking piece ( 532 ), wherein the main body ( 531 ) in its lower region with the lower side of the opening for changing blades ( 52 ) of the main body ( 51 ) of the second housing ( 50 ) is in latching connection, while the main body ( 531 ) in its upper area with the upper side of the opening for blade changing ( 52 ) by means of the movable locking piece 532 is in removable latching connection.