WO2008106937A2 - Lösewerkzeug - Google Patents
Lösewerkzeug Download PDFInfo
- Publication number
- WO2008106937A2 WO2008106937A2 PCT/DE2008/000355 DE2008000355W WO2008106937A2 WO 2008106937 A2 WO2008106937 A2 WO 2008106937A2 DE 2008000355 W DE2008000355 W DE 2008000355W WO 2008106937 A2 WO2008106937 A2 WO 2008106937A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- release tool
- tool according
- load arm
- arm
- levers
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/02—Jaws
Definitions
- the invention relates to a release tool with two on a central joint scissor-like coupled levers.
- each bracket adapter comprises a bracket with eyelet for attaching the cargo nets or drawstrings and the temples associated plate-shaped widenings, which are adapted to the openings of the profile strips.
- each bracket adapter has a vertically displaceable to the profile strips and fixable securing member which cylindrically shaped in the height range of the spacers and to the openings is adjusted. For better handling, the securing member in the upper height range on lateral undercuts.
- the locking member is pulled up by hand. Subsequently, the bracket adapter is lowered with the plate-shaped spacers in the openings of the longitudinal groove and so far displaced in the longitudinal direction until the locking member can engage in an opening. The widenings of the temple adapter then lie in the sections of the longitudinal groove between two openings. Subsequently, the locking member can be locked with a pin on the base of the strap adapter if necessary.
- the lock To release a strap adapter, the lock must be released and then the securing member from the opening in the longitudinal groove to be pulled out. Thereafter, the bracket adapter can be moved so far in the longitudinal groove until the plate-shaped extensions are in the range of two openings. The bracket adapter can then be removed from the profile strip upwards.
- Moldings and bracket adapter of the type described above but also come for fixing seats in passenger aircraft used.
- the difficulties in Removal of the seats, for example, to convert a passenger plane into a cargo plane, are then in principle the same as with the hangover adaptations of the freighter aircraft.
- the invention is - based on the prior art - the object of providing a tool available with which even in difficult situations (cold, pollution) ironing adapter can be removed without significant effort from the moldings.
- the release tool according to the invention has two levers which are coupled in a scissor-like manner via a central joint.
- the levers are each divided into a power arm with a handle and a load arm.
- the handles are preferably made of a suitable plastic material and are ergonomically shaped.
- At least one load arm, at its free end, a claw directed transversely thereto is provided. Adjacent to the claw, a support bead connected to a 1st load arm and a support for the other 2nd load arm extends.
- the release tool can be used with the at least one claw on an undercut of the securing members of the bracket adapter.
- the end of the other load arm advantageously forms an abutment.
- the claws are designed so that they can be largely form-fitting to the undercuts of the securing members of the bracket adapter recognized. Adjacent to the claws, a support bead connected to a 1st load arm and a support for the other 2nd load arm form. To release a fixed and not manually from a profile strip to be dismantled bracket adapter, the release tool is placed under support of the support bead on the profile strip to the bracket adapter that the claws capture the securing member in the area provided for manual handling undercuts.
- the handles When pressed together and pressed down the handles can be applied to the claws due to the relatively short distance between the jaws and the Stauerwulst in relation to the much longer distance between the handles and the Stauerwulst a force which pulls the securing member from the opening in the profile strip.
- This process is feasible even with greater cold with gloves or dirt.
- After pulling out of the securing member from the opening in the profile strip can be moved so far in the longitudinal groove of the profile strip with the aid of the release tool of the bracket adapter until the plate-shaped extensions on the bracket adapter in the region of two adjacent openings are, so that then easily the bracket adapter of the profile strip can be removed to the top.
- It is in the invention is an easy to manufacture and cost-effective tool that can be handled with work gloves without difficulty and thus the requirements of harsh conditions when loading and unloading cargo aircraft or when converting passenger aircraft to cargo aircraft and vice versa, even with greater cold fully lives up to it.
- the height of the Stauerwulstes corresponds approximately to twice the thickness of the load arms.
- the rolling of the Stauerwulstes and sliding on a profile strip are facilitated according to claim 5, when the underside of the Stauerwulstes is at least partially curved. In this case, it is sufficient in principle if the area facing the claws is arched and the area of the supporting bead facing away from the claws is flat. But it can also be the entire bottom of the Stauerwulstes be curved.
- the Stauerwulst is firmly connected to a first load arm, while it forms only a support for the 2nd load arm.
- the second load arm on Stauerwulst this is provided according to the features of claim 6 with a recess for the second load arm. Due to the width of the recess, which extends beyond the width of the second load arm, the maximum relative pivoting of the two load arms is given.
- the second load arm is placed under the influence of a guided in the Stönwulst compression spring. It is preferably a helical compression spring. The compression spring ensures that the second load arm is brought into a position in relation to the first load arm, in which the claws can be easily attached to a securing member.
- the vertical pivoting of the provided with the handles of the power arms of the release tool under support of the Stützwulstes on a profiled strip is further improved, the features of claim 8 provide that the levers are divided into two mutually angled in the vertical central longitudinal plane of the release tool sections, wherein the length of the sections between the support bead and the ends of the handles to the length of the sections between the support bead and the claws is approximately 10: 1.
- Figure 1 in perspective a release tool in the standby position
- FIG. 1 also in perspective, the release tool of Figure 1 in the operating position
- Figure 4 is a vertical cross-section through the representation of Figure 3 along the line IV - IV seen in the direction of the arrows IVa;
- Figure 5 is a vertical longitudinal section through the representation of Figure 3 along the line V - V seen in the direction of arrows Va;
- FIG. 6 is a side view of various operating positions of the
- Figure 7 shows the various operating positions of the release tool in perspective
- Figure 8 on an enlarged scale, a plan view of a profile strip.
- FIGS. 1 to 7 a release tool is designated in FIGS. 1 to 7, which serves to disassemble ironing adapters 2, which can be seen from FIGS. 6 and 7, from a profile rail 3 according to FIGS. 6 to 8.
- the rail 3 has a longitudinally extending T-shaped groove 4 on.
- the narrower section 5 of the longitudinal groove 4 opens into the upper side 6 of the profile rail 3.
- this narrower section 5 is provided with spaced-apart circular segment-shaped extensions 7, which form a circular opening 8 in pairs ,
- the fixable to the rail 3 bracket adapter 2 each have a bracket 9 with eyelet 10 and arranged at the bottom of the bracket 9 plate-like Broadening 11 on.
- the contour of the widenings 11 corresponds to the contour of the circular openings 8 of the profile rail 3.
- a securing member 12 is arranged, which is normally vertically displaceable by hand in the direction of the double arrow PF.
- the locking member 12 is provided in approximately middle height range with undercuts 13.
- the lower height portion 14 of the securing member 12 is cylindrical and adapted to the circular openings 8 of the rail 3.
- the securing member 12 When inserting a temple adapter 2 in a rail 3, the securing member 12 is pulled up by hand, so that the plate-like spacers 11 can be inserted into two successive openings 8. Thereafter, the ironing adapter 2 is displaced in the longitudinal direction of the rail 3 until the lower height portion 14 of the securing member 12 can engage in an opening 8. The plate-like spacers 11 are then in the areas 15 of the longitudinal groove 4 between two openings 8. This is illustrated in the figure 8 in dash-dotted lines. By means of a transversely through the securing member 12 extending clamping pin - if present - can be fixed to the bracket adapter 2, if necessary, the position of the securing member 12.
- the securing member 12 When disassembling the bracket adapter 2 of the rail 3, the securing member 12 is pulled up by hand, so that the lower height portion 14 is no longer in an opening 8 of the rail 3. Subsequently, the bracket adapter 2 is displaced so far in the longitudinal direction of the rail 3 until the plate-like widening 11 of the bracket adapter 2 with two adjacent openings 8 in the rail 3 match. The ironing adapter 2 can then be removed upwards.
- the detaching tool 1 recognizable from FIGS. 1 to 7 is used.
- the release tool 1 comprises two initially via a central joint 15 scissors-like coupled levers 16, 17.
- the levers 16, 17 are each in one Power arm 18, 19 and articulated in a load arm 20, 21.
- On the force arms 18, 19 are handles 22 made of a suitable plastic, which are also ergonomically shaped.
- the load arms 20, 21 initially extend next to one another and then pass over in opposite directions curved portions 23, 24.
- opposite claws 26 are provided at the ends 25 of the load arms 20, 21 opposite claws 26 are provided.
- the jaws 26 are in the standby position according to Figure 1 at such a distance from each other that they can be easily attached to a securing member 12 of the bracket adapter 2 in accordance with Figures 6 and 7 in the manner explained in more detail below.
- the claws 26 are shaped so that they are aligned with the ergonomically shaped undercuts 13 on the securing member 12.
- FIGS. 1 to 4 further show that a support bead 27, whose height H (FIG. 4) corresponds approximately to twice the thickness D of the load arms 20, 21, is connected to the first load arm 20.
- the support bead 27 extends beyond the second load arm and, in the region of the second load arm 21, has a recess 28 in which the portion 24 of the second load arm 21 lies.
- a compression spring 30 is guided in the form of a helical compression spring, which is supported on the inner side 31 of the portion 24 of the 2nd Lastarms 21. In this way, the levers 16, 17 of the release tool 1 are always kept in the standby position according to FIG.
- Figures 1, 2 and 5 show that the bottom 32 of the Stauerwulstes 27 is at least partially curved.
- the part facing the claws 26 is arched, while the region 33 facing away from the claws 26 is flat.
- Figure 5 reveals that the levers 16, 17 of the release tool 1 in two in the vertical center longitudinal plane VMLE angled portions A, B are structured.
- the length of the sections A between the support bead 27 and the ends 34 of the handles 22 to the length of the sections B between the support bead 27 and the claws 26 is approximately 10: 1.
- FIG. 5 shows that the sections A, B are angled at an angle ⁇ of approximately 160 ° to one another.
- the release tool 1 When loosening a bracket adapter 2 of a rail 3 ( Figures 6 and 7), the release tool 1 is first recognized in the ready position shown in Figure 1 to a previously unlocked securing member 12 that the claws 26 engage in the undercuts 13 of the securing member 12 and the Stauerwulst 27 is located on the profile strip 2 (position a). By squeezing the handles 22, the securing member 12 is detected and then the handles 22 are moved according to position b on the rail 3. The release tool 1 pivots about the Stauerwulst 27, wherein the fixed locking member 12 is pulled out of the opening 8 of the rail 3.
- the ironing adapter 2 is displaced so far in the longitudinal direction of the profiled rail 3 until the plate-like widenings 11 lie in the area of two adjacent openings 8 of the longitudinal groove 4. Now, according to position c, the ironing adapter 2 can be completely removed from the rail 3.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Manipulator (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112008001215T DE112008001215A5 (de) | 2007-03-02 | 2008-02-28 | Losewerkzeug |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200720003272 DE202007003272U1 (de) | 2007-03-02 | 2007-03-02 | Lösewerkzeug |
DE202007003272.2 | 2007-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008106937A2 true WO2008106937A2 (de) | 2008-09-12 |
WO2008106937A3 WO2008106937A3 (de) | 2008-11-27 |
Family
ID=38220163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2008/000355 WO2008106937A2 (de) | 2007-03-02 | 2008-02-28 | Lösewerkzeug |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE202007003272U1 (de) |
WO (1) | WO2008106937A2 (de) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1745411A (en) * | 1927-05-18 | 1930-02-04 | Charles P Fay | Tongs |
US2593164A (en) * | 1946-11-12 | 1952-04-15 | Harold L Mcadoo | Pliers for round work |
US4601221A (en) * | 1984-11-09 | 1986-07-22 | Westinghouse Electric Corp. | Clamping device for rectangular workpiece |
DE3544419A1 (de) * | 1985-12-14 | 1987-06-19 | Noethen Kg Willibald | Flachrundzange |
US5611519A (en) * | 1995-06-06 | 1997-03-18 | Garcia; Rodolfo | Fastener removing tool |
GB2311244A (en) * | 1996-03-22 | 1997-09-24 | British Aerospace | Clip fitting and removal tools |
-
2007
- 2007-03-02 DE DE200720003272 patent/DE202007003272U1/de not_active Expired - Lifetime
-
2008
- 2008-02-28 WO PCT/DE2008/000355 patent/WO2008106937A2/de active Application Filing
- 2008-02-28 DE DE112008001215T patent/DE112008001215A5/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1745411A (en) * | 1927-05-18 | 1930-02-04 | Charles P Fay | Tongs |
US2593164A (en) * | 1946-11-12 | 1952-04-15 | Harold L Mcadoo | Pliers for round work |
US4601221A (en) * | 1984-11-09 | 1986-07-22 | Westinghouse Electric Corp. | Clamping device for rectangular workpiece |
DE3544419A1 (de) * | 1985-12-14 | 1987-06-19 | Noethen Kg Willibald | Flachrundzange |
US5611519A (en) * | 1995-06-06 | 1997-03-18 | Garcia; Rodolfo | Fastener removing tool |
GB2311244A (en) * | 1996-03-22 | 1997-09-24 | British Aerospace | Clip fitting and removal tools |
Also Published As
Publication number | Publication date |
---|---|
DE202007003272U1 (de) | 2007-06-21 |
DE112008001215A5 (de) | 2010-02-04 |
WO2008106937A3 (de) | 2008-11-27 |
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