EP0568542A1 - Detachable speed nut - Google Patents
Detachable speed nutInfo
- Publication number
- EP0568542A1 EP0568542A1 EP19920900642 EP92900642A EP0568542A1 EP 0568542 A1 EP0568542 A1 EP 0568542A1 EP 19920900642 EP19920900642 EP 19920900642 EP 92900642 A EP92900642 A EP 92900642A EP 0568542 A1 EP0568542 A1 EP 0568542A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- jaws
- jaw
- nut according
- nut
- boss
- 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.)
- Withdrawn
Links
- 238000010079 rubber tapping Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/08—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut
- F16B37/0807—Nuts engaged from the end of the bolt, e.g. axially slidable nuts
- F16B37/0821—Nuts engaged from the end of the bolt, e.g. axially slidable nuts in two halves pivotally connected
Definitions
- the subject of the present invention is a quick nut of the type comprising two jaws articulated one on the other, each of the jaws being hollow and having axially a thread, over part of its length, and a frustoconical cavity on the other part. of its length, the articulation being made on two radial pins external to the jaws, on which rings are positioned.
- Quick nuts made up of two half-nuts are known. They allow the nut to advance along a threaded rod by simple sliding, while the tapping is not engaged on the thread. As soon as the nut has reached the tightening position, the two parts of the nut pivot one on the other and the thread enters the thread which allows tightening to be carried out as with a normal nut.
- the subject of the present invention is a "quick-release nut" which makes it possible to solve this problem.
- the two parts of the nut are, for safety reasons , perfectly locked one on the other.
- the removable quick nut comprising two jaws articulated one on the other, each of the jaws being hollow and having axially a tapping over part of its length and a frustoconical cavity on the other part of its length, the joint • j _5 being at the periphery of the jaws, is characterized in that the two jaws are mounted one on the au.tre in a removable manner.
- the nut can be mounted on a rod immobilized at its two ends.
- the articulation is carried out by means of radial journals substantially perpendicular to the longitudinal axis of the nut on which are mounted rings forming a bearing, each jaw comprising on one side a long journal and, on the other side a short pin, each "short pin having a notch and each of the rings, projecting internally a lug and a boss substantially diametrically opposite the lug, the boss penetrating inside the notch short pin so that the two jaws can be forged 0 and be identical.
- each jaw comprises on one of its sides a male boss and on the other side a projection comprising a notch.
- the mounting of the nut is
- - Fig.8 a diagram of the mounting of the two half-nuts on one another.
- a male jaw designed to cooperate with a female jaw such as that shown in Figs 9 and 10.
- Fig.l shows in elevation a nut according to the invention, without the side rings.
- This nut comprises -two identical jaws 1, the front ends of which form a support face 2 and the rear ends a " clamping face 3 which, in the example shown consists of a hexagon 9.
- the rear parts of the jaws have a tapping 7 and a frustoconical front part 8. In the closed position, (tapping engaged with the thread of the screw), the front face of the nut is flat and substantially continuous. This face is the bearing face on the part to tighten.
- the rear part of the nut can also serve as a tightening face, in particular if it is shaped as a truncated cone, when the part to be tightened also has a hollow corresponding to the truncated cone.
- Each jaw 1 has a pin which is roughly in the form of a cylindrical sector and whose angle at the center is approximately 135 °.
- the pin 21 located on one side of a jaw has a double length of the pin 22 located on the other side. Inside the pin 22 is formed a groove or notch 23.
- slid rings 24 such as that which is shown in front view in FIG. 3.
- the ring 24 comprises in its internal part a lug 25 and a boss 26.
- the lug 25 can penetrate a longitudinal groove 27 provided in the front part of the pin 21 when the nut is in the open position (Fig.4). It can then be brought by sliding substantially against the body of the jaws 1. Closing the nut causes the boss 26 to be trapped in the groove 23 of the pin 22 and the ring 24 is thus trapped radially and axially.
- the ring introduced on the trunnions is slid over the assembly of the two trunnions until it comes in front of the. groove 23. This sliding is made possible, as appears in FIG. 4 by the presence of cut sections 28 provided on the pins 21 and 22, the strips of which release in the open position (Fig.
- the trunnions 21 are formed on the outer edges 29 forming retaining stops.
- the rings remain on the long pins.
- Figures 6, 7 and 8 show a second embodiment of the invention in which the existence of the rings is no longer necessary.
- a jaw 1 comprises on one of its faces a portion 30 projecting perpendicularly to the axis of the orifice of the jaw 1 and in the case of Fig.6, the part 30 protrudes downwards.
- a radial projection constituting a boss 31.
- a notch CJ groove 32 capable of receiving the boss 31 and of trapping it radially, while allowing pivoting of the two jaws l 'one over the other.
- the assembly shown in Figure 8 is done while the two jaws are in the open position (tapping outside the thread of the threaded screw not shown).
- the front edge 33 of the notch 32 passes on the side of the boss 31.
- the two jaws 1 By then pivoting the two jaws 1 one on the other, around their common pivot axis 35, the edge 34 of the boss 31 penetrates into the groove 32 of the female part 30 which immobilizes it in lateral movement.
- the two jaws 1 can pivot one on the other and they can be separated.
- the nut In case a fixing must be ensured on a threaded rod blocked at both ends, the nut is mounted at any point on the rod and is then slid to the vicinity of the tightening point, at which point the two jaws pivot to bring the thread into engagement with the thread.
- the two jaws are identical, except for the internal thread. However, due to their configuration, they are not forgeable. It is however possible to provide that a jaw will carry on each side a part 30 and that the second jaw will carry on each side a boss 31.
- a nut consists of a male jaw 36 shown in Figures 11 and 12 and a female jaw 37
- Each of the jaws has as its predecessor a thread 7 and a conical part 8. However, the two jaws are not identical.
- the male jaw 36 has two lateral bosses 31 substantially in a sector of a circle, projecting outside the jaw of the jaw 36.
- the female jaw 37 has at its front part two cheeks 30. Inside said cheeks notches 32 are also formed in the sector of a circle, the dimensions of which correspond to those of the bosses 31.
- Such parts can be easily molded.
- the fitting of parts 36 and 37 is very easy.
- the jaw 37 being disposed on the screw (not shown), the jaw 36 is presented in an inclined position below the jaw 37 and a translational movement causes the projecting part of the bosses 31 to penetrate into the notches 32. Then, the pivoting jaws around the axis 35 applies the thread 7 against the thread of the screw (not shown) and 1 nut can be tightened like an ordinary nut thanks to the reliefs 9.
- the two radial pins extending on either side of each jaw are semi-cylindrical and each carry a few threads so as to be threaded on at least part of their length. They can be assembled simply by placing a classic nut on each trunnion. After fitting the quick-release nut and pivoting the jaws, the two side nuts can be locked, which ensures good locking of the assembly.
- the nut according to the invention can thus be arranged in the vicinity of the part to be tightened, even when the two ends of the rod are trapped.
- Billing or elastic locking can be achieved in all the embodiments proposed to allow the two jaws to remain fixed on the rod without further intervention.
- the nut will therefore remain on the rod without falling even if it is not in the tightening position on one side.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Ecrou rapide du type comprenant deux machoires articulées l'une sur l'autre, chacune des mâchoires étant intérieurement creuse et présentant, sur une partie de sa longueur un demi-taraudage, et sur l'autre partie une demi-cavité tronconique, les deux mâchoires (1) sont assemblées d'une manière amovible au moyen de tourillons (21, 22) sur lesquels coulisse une bague (24), le tourillon (22) étant de longueur égale à la moitié du tourillon (21).Quick nut of the type comprising two jaws articulated one on the other, each of the jaws being internally hollow and having, over part of its length a half-tapping, and on the other part a frustoconical half-cavity, both jaws (1) are assembled in a removable manner by means of pins (21, 22) on which slides a ring (24), the pin (22) being of length equal to half of the pin (21).
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9006560A FR2662474B3 (en) | 1990-05-28 | 1990-05-28 | REMOVABLE FAST NUT. |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0568542A1 true EP0568542A1 (en) | 1993-11-10 |
Family
ID=9396972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920900642 Withdrawn EP0568542A1 (en) | 1990-05-28 | 1991-11-27 | Detachable speed nut |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0568542A1 (en) |
FR (1) | FR2662474B3 (en) |
WO (1) | WO1993011365A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2662474B3 (en) * | 1990-05-28 | 1992-08-07 | Arteon Marcel | REMOVABLE FAST NUT. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2257327A (en) * | 1941-04-23 | 1941-09-30 | Carios L Bradford | Nut |
FR2649455A1 (en) * | 1989-07-10 | 1991-01-11 | Jouve Daniel | Rapid nut |
FR2649764B1 (en) * | 1989-07-13 | 1992-06-19 | Arteon Marcel | FAST NUT |
FR2662474B3 (en) * | 1990-05-28 | 1992-08-07 | Arteon Marcel | REMOVABLE FAST NUT. |
-
1990
- 1990-05-28 FR FR9006560A patent/FR2662474B3/en not_active Expired - Lifetime
-
1991
- 1991-11-27 WO PCT/FR1991/000941 patent/WO1993011365A1/en not_active Application Discontinuation
- 1991-11-27 EP EP19920900642 patent/EP0568542A1/en not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO9311365A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2662474A1 (en) | 1991-11-29 |
FR2662474B3 (en) | 1992-08-07 |
WO1993011365A1 (en) | 1993-06-10 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES FR GB IT |
|
17P | Request for examination filed |
Effective date: 19950821 |
|
D17P | Request for examination filed (deleted) | ||
R17P | Request for examination filed (corrected) |
Effective date: 19950821 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
17Q | First examination report despatched |
Effective date: 19960618 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19970204 |