EP0321463A1 - Halterung für zusatzgerät. - Google Patents
Halterung für zusatzgerät.Info
- Publication number
- EP0321463A1 EP0321463A1 EP19870904505 EP87904505A EP0321463A1 EP 0321463 A1 EP0321463 A1 EP 0321463A1 EP 19870904505 EP19870904505 EP 19870904505 EP 87904505 A EP87904505 A EP 87904505A EP 0321463 A1 EP0321463 A1 EP 0321463A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- opening
- holder
- pin
- holder according
- 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
- 238000005553 drilling Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/003—Stops for limiting depth in rotary hand tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
- B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
- B25F5/026—Construction of casings, bodies or handles with torque reaction bars for rotary tools in the form of an auxiliary handle
Definitions
- the invention relates to a holder for lateral attachment to a handheld power tool according to the preamble of the main claim.
- additional handles with spring-loaded pressing elements for holding and releasing a depth stop have been described.
- the attachment of other additional devices such as suction devices, drilling angle meters, etc. is very cumbersome because the pressing elements are so unfavorably arranged that they cannot be operated easily.
- Another disadvantage is that the pressing elements have to be constantly pressed down by hand during the process of inserting or adjusting the depth stop and this hand is therefore no longer free.
- the grooved pressing surface can disengage or the spring must be dimensioned very heavily in the case of heavy use (e.g. impact operation), which makes operation more difficult.
- the holder according to the invention with the characterizing features of the main claim has the advantage that the handle end of the Locking lever is freely accessible at all times, even if additional devices are inserted into the bracket on the side. Operation is very simple and convenient with one finger. After opening the lock, the lever remains in the open position due to the missing spring, even if the finger or hand is removed. This gives the operator both hands free to insert, remove or adjust the additional device (eg depth stop). In the locked position, the lever remains self-locking in its position on the circular arc. The lock does not release even in hammer drilling or hammer operation. The low gradient of the circular arc path offers additional security, so that even with small displacements of the lever, the toothing still remains in engagement with the additional device. The entire holder including the lever can be produced entirely in plastic and is therefore inexpensive. In addition, the lever is very easy to assemble with a handle.
- FIG. 1 shows an additional handle with holder in cross section
- FIG. 2 shows a section along line A-A in FIG. 1.
- the holder 1 is arranged on the fastening head 2 of an additional handle 20 for handheld power tools. It is hollow and made of plastic. It has a continuous hexagonal opening 4 parallel to the axial direction of the receiving opening 3 of the fastening head 2, which penetrates through the side walls 5, 6.
- the holder 1 has an opening 7 above the opening 4.
- the side walls 5, 6 point below the opening chung 4 in vertical extension grooves 8, 9, in which pins 10, 11 of a lever are guided (see Figure 2).
- This carries, on its upper side facing the opening 4, a toothing 13 which is aligned with the axial direction of the opening 4 and which corresponds to a toothing in the holding part of an additional device (not shown) which can be inserted into the opening 4.
- the lever 12 has support pins 14, 15 with resilient extensions 16, 17 at the ends.
- the lever 12 is tapered to form a handle part 18.
- control slots 21, 22 are formed in the side walls 5, 6 with an approximately circular-arc-shaped section 23 and an adjoining section 24 deviating from the circular-arc line to the outside.
- the section 23 is a circular-arc section with one opposite the axis the pin 10, 11 slightly to the right, ie Center point offset towards receiving opening 3, approximately the center point. 25.
- the handle part 18 is tapered so that the support pins 14, 15 in the control slots 21, 22 are given a wide support in order to be able to better derive the clamping force required in the teeth 13.
- the assembly of the lever 12 is done simply from above through the opening 7 in the holder 1.
- the elastic extensions 16, 17 move back inwards. In the slots 21, 22 they spread again, so that the lever 12 is captively held in the holder 1.
- the operation of the bracket 1 for loosening and tightening an additional device is very simple and convenient.
- the lever 12 is simply pressed on the handle part 18 with a finger in the direction of the additional handle 20 without the hand having to be released from the handle.
- the support pins 14, 15 reach the section 24 and the pins 10, 11 move along the grooves 8, 9 away from the opening 4 so that it is completely released.
- the lever 12 remains in the area of the section 24 of the slots 21, 22 even after the operating finger has been removed.
- the additional device is inserted into the opening 4 or, in the case of a depth stop, moved into the correct position corresponding to the desired drilling depth. Then the lever 12 is also pushed back again with a single finger until the toothing 13 bears firmly on the additional device. So that this is clamped in place. Due to self-locking, the support pins 14, 15 remain in the arcuate section 23 of the control slots 21, 22 at a certain point, which depends on the tolerances, above all of the hexagon socket of the additional device. The lever 12 is then more or less perpendicular, but is itself inhibited at every point due to the slight slope in section 23. Retensioning is also possible at any time.
- the holder 1 can also be arranged directly on the housing of the handheld power tool or connected in one piece to the housing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Portable Power Tools In General (AREA)
- Jigs For Machine Tools (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19868621430 DE8621430U1 (de) | 1986-08-09 | 1986-08-09 | Halterung für Zusatzgerät |
| DE8621430U | 1986-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0321463A1 true EP0321463A1 (de) | 1989-06-28 |
| EP0321463B1 EP0321463B1 (de) | 1991-01-30 |
Family
ID=6797303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19870904505 Expired - Lifetime EP0321463B1 (de) | 1986-08-09 | 1987-07-18 | Halterung für zusatzgerät |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0321463B1 (de) |
| JP (1) | JP2545567B2 (de) |
| DE (2) | DE8621430U1 (de) |
| WO (1) | WO1988000870A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4430786A1 (de) * | 1994-08-30 | 1996-03-07 | Wolf Geraete Gmbh Vertrieb | Führungsstiel für Gartengeräte |
| US6835030B2 (en) * | 2002-06-04 | 2004-12-28 | Credo Technology Corporation | Power tool accessory system |
| DE102006055014A1 (de) | 2006-11-22 | 2008-05-29 | Robert Bosch Gmbh | Zusatzhandgriff mit Exzenterspannhebel für eine Handwerkzeugmaschine |
| DE102009047705B4 (de) * | 2009-12-09 | 2014-02-13 | Hilti Aktiengesellschaft | Zusatzgriff |
| DE102010005535A1 (de) * | 2010-01-23 | 2011-09-08 | Metabowerke Gmbh | Arretiervorrichtung zur Arretierung eines Tiefenanschlagstabs, Zusatzhandgriff und handgeführte Werkzeugmaschine |
| DE102013213284A1 (de) * | 2012-08-03 | 2014-02-06 | Robert Bosch Gmbh | System |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7613952U1 (de) * | 1976-05-03 | 1976-09-02 | Hilti Ag, Schaan (Liechtenstein) | Bohrmaschine mit tiefenanschlag |
| DE2832429A1 (de) * | 1978-07-24 | 1980-02-14 | Hilti Ag | Bohrmaschine mit bohrtiefenanschlag |
| DE2918586A1 (de) * | 1979-05-09 | 1980-11-13 | Duss Maschf | Bohrmaschine mit tiefenanschlag |
| GB2050881B (en) * | 1979-06-19 | 1983-01-06 | Kango Electric Hammers Ltd | Depth stop for a drilling tool |
| DE8006965U1 (de) * | 1980-03-14 | 1981-08-27 | Robert Bosch Gmbh, 7000 Stuttgart | Zusatzhandgriff fuer eine handwerkzeugmaschine |
| DE3126245C2 (de) * | 1981-07-03 | 1993-10-07 | Bosch Gmbh Robert | Profilstab zur Verwendung als Bohrtiefenanschlag an Handwerkzeugmaschinen |
| DE8318425U1 (de) * | 1983-06-25 | 1983-10-27 | C. & E. Fein Gmbh & Co, 7000 Stuttgart | Zusatzhandgriff fuer handgefuehrte werkzeuge |
-
1986
- 1986-08-09 DE DE19868621430 patent/DE8621430U1/de not_active Expired
-
1987
- 1987-07-18 WO PCT/DE1987/000323 patent/WO1988000870A1/de not_active Ceased
- 1987-07-18 EP EP19870904505 patent/EP0321463B1/de not_active Expired - Lifetime
- 1987-07-18 DE DE8787904505T patent/DE3767887D1/de not_active Expired - Lifetime
- 1987-07-18 JP JP62504177A patent/JP2545567B2/ja not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO8800870A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0321463B1 (de) | 1991-01-30 |
| WO1988000870A1 (fr) | 1988-02-11 |
| JPH01503527A (ja) | 1989-11-30 |
| JP2545567B2 (ja) | 1996-10-23 |
| DE3767887D1 (de) | 1991-03-07 |
| DE8621430U1 (de) | 1987-12-10 |
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