Claims (19)
1. Fremgangsmåde til fremstilling af et rotatiansstøbt legeredskab (1) i form af en hovedsageligt sfærisk skal (2) med en plan bund (7), kendetegnet ved, at - et termoplastisk plastmateriale opvarmes i en flerdelt matrice med et hulrum under samtidig centrifugering af matricen, - matricen åbnes, og en skal (2) svarende til den indre overflade af matricen udtages, - en skaldel (13) i form af en kuglekalot, som ligger aksiait modsat den plane bund (7), fjernes hovedsageligt i samme afstand fra skallens (2) centrum som den plane bund (7), - en aksel (5) føres gennem et i en kugiekalots (12) top tilvejebragt hul og forbindes med ydersiden (8) af den plane bund (7), og - kuglekalotten (12) fastgøres langs sin periferi til ydersiden (8) af den plane bund (7) ved hjælp af passende fastgøringsmidler.A method of making a rotatian molded play tool (1) in the form of a substantially spherical shell (2) with a flat bottom (7), characterized in that - a thermoplastic plastic material is heated in a multi-part die with a cavity while simultaneously centrifuging the die, - the die is opened, and a shell (2) corresponding to the inner surface of the die is taken out, - a shell part (13) in the form of a ball sphere which lies axially opposite the planar bottom (7) is removed substantially at the same distance from the the center of the shell (2) as the planar bottom (7), - a shaft (5) is passed through a hole provided in the top of a cage ball (12) and connected to the outside (8) of the planar bottom (7), and - the ball pile ( 12) is secured along its periphery to the outside (8) of the planar bottom (7) by suitable fasteners.
2. Fremgangsmåde ifølge krav 1, kendetegnet ved, at skaldelen (13) fjernes ved at fraskille den langs en kærv eller vulst i den støbte skals (2) overflade.Method according to claim 1, characterized in that the shell part (13) is removed by separating it along a notch or bead in the surface of the molded shell (2).
3 Fremgangsmåde ifølge krav 1 eller 2, kendetegnet ved, at der tilvejebringes et eller flere lejer (11), hvori akselen (5) løber frit, hvilke lejer (11) bliver forbundet til den plane bund (8) og/eller hullet i kuglekalotten (12).Method according to claim 1 or 2, characterized in that one or more bearings (11) are provided, in which the shaft (5) runs freely, which bearings (11) are connected to the flat bottom (8) and / or the hole in the sphere. (12).
4. Fremgangsmåde ifølge et af de foregående krav, kendetegnet ved, at kuglekalotten (12) bliver forsynet med et antal huller langs kuglekalottens periferi beregnet til fastgøringsbolte, og at der på indersiden af den plane bund (7) anbringes en forstærkningsplade (7a), som underlag for fastgøringsboltenes hoveder eller møtrikker.Method according to one of the preceding claims, characterized in that the ball sphere (12) is provided with a number of holes along the periphery of the sphere ball intended for fastening bolts and that a reinforcing plate (7a) is arranged on the inside of the flat bottom (7). as a support for the bolts or nuts of the fastening bolts.
5. Fremgangsmåde ifølge et af de tidligere krav, kendetegnet ved, at der før kuglekalotten (12) fastgøres til den plane bund monteres øvrige mekaniske dele fx et begrænsningsmiddel til at friktionsbremse eller vinkelbegrænse drejningen.Method according to one of the preceding claims, characterized in that before the ball ball (12) is attached to the flat bottom, other mechanical parts are mounted, for example, a limiting means for frictional braking or angular limitation of rotation.
6. Fremgangsmåde ifølge et af de tidligere krav, kendetegnet ved, at der monteres en tætningsring til lukning af frigangen mellem akslen (5) og hullet i kuglekalotten (12).Method according to one of the preceding claims, characterized in that a sealing ring is provided for closing the clearance between the shaft (5) and the hole in the ball pawl (12).
7. Legeredskab omfattende en rotationsstøbt, hovedsageligt sfærisk skal (2) med en åbning til den ene side og en lukket bund til den modsatte side og fremstillet ved en fremgangsmåde ifølge et af kravene 1-6, kendetegnet ved, at åbningen er tilvejebragt ved fjernelse af en kalotformet del (13) af skallen, at yderdiameteren af åbningen svarer hovedsageligt til yderdiameteren af den lukkede bund, og en aksel (5) er forbundet med ydersiden (8) af den plane bund (7), der fortrinsvis fremtræder som en plan flade, og at akselfastgøringens fastgø-ringsmidler er skjult i et hulrum under en krum kalot (12),Playing equipment comprising a rotationally molded, mainly spherical shell (2) having an opening to one side and a closed bottom to the opposite side and manufactured by a method according to one of claims 1-6, characterized in that the opening is provided by removal of a shell-shaped part (13) of the shell, that the outer diameter of the aperture corresponds mainly to the outer diameter of the closed bottom and a shaft (5) is connected to the outside (8) of the planar bottom (7), which preferably appears as a plane surface, and the shaft fasteners are concealed in a cavity beneath a curved bar (12);
8 Legeredskab ifølge krav 7, kendetegnet ved, at den krumme kalot (12) udgøres af den fjernede del (13) af skallen,Playing gear according to claim 7, characterized in that the curved pile (12) is formed by the removed part (13) of the shell,
9. Legeredskab ifølge krav 7 eller 8, kendetegnet ved, at akslens (5) ene ende (10) er forbundet med skallens (2) bund (8) i et rotationsleje (11).Playing gear according to claim 7 or 8, characterized in that one end (10) of the shaft (5) is connected to the bottom (8) of the shell (2) in a rotary bearing (11).
10. Legeredskab ifølge et af kravene 7-9, kendetegnet ved, at akslen (5) nær sin skalnære ende (10) er forbundet med den krumme kalot (12) via endnu et rotation sieje,Playing gear according to one of claims 7-9, characterized in that the shaft (5) is connected to the curved baffle (12) near its scalar end (10) via a further rotation,
11. Legeredskab ifølge et af kravene 7-10, kendetegnet ved, at fastgøringen til skallens bund (7) er forstærket med en stiv plade (7a) på bundens (7) inderside, der kan danne underlag for fastgøringsmidler til aksel (5) og/eller kalot (12),Playing gear according to one of claims 7-10, characterized in that the fastening to the bottom (7) of the shell is reinforced by a rigid plate (7a) on the inside of the bottom (7) which can form a support for shaft fasteners (5) and / or Calot (12),
12. Legeredskab ifølge et af kravene 7-11, kendetegnet ved, at omfatte yderligere mekaniske dele, der er monteret under kalotten (12) og fx tjener til at friktionsbremse eller vinkelbegrænse skallens (2) drejning om sin aksel (5).Playing gear according to any one of claims 7-11, characterized in that it comprises additional mechanical parts mounted under the caliph (12) and, for example, serves to friction brake or limit the rotation of the shell (2) about its shaft (5).
13 Legeredskab ifølge et af kravene 7-12, kendetegnet ved, at den krumme kalot (12) og skallen (2) holdes an mod hinanden ved hjælp af yderligere fastgøringsmidlerPlaying gear according to one of claims 7-12, characterized in that the curved pawl (12) and the shell (2) are held together by means of additional fastening means.
14 Legeredskab ifølge et af kravene 7-13, kendetegnet ved, at akselstangens (5) skalfjerne ende (9) er monteret i et stativ (6; 14, 15).Playing gear according to one of claims 7-13, characterized in that the shaft (5) of the shaft rod (5) must be removed in a frame (6; 14, 15).
15 Legeredskab ifølge krav 14, kendetegnet ved, at stativet (6; 14, 15) er beregnet til anbringelse på et underlag, hvorfra det nedhænger eller rejser sig som en bøjlestang eller stander.Playing gear according to claim 14, characterized in that the stand (6; 14, 15) is intended for application to a base from which it hangs or rises as a shackle or stand.
16, Legeredskab ifølge krav 15, kendetegnet ved, at underlaget (20) er monteret drejeligt i forhold til endnu et underlag.16, Playing gear according to claim 15, characterized in that the base (20) is mounted pivotally relative to yet another base.
17, Legeredskab ifølge krav 16, kendetegnet ved, at det drejeligt monterede underlag fremdrives ved, at skallens (2) rotationsbevægelse omsættes i en ud-veksiingsmekanisme forbundet med underlaget (20)Playing device according to claim 16, characterized in that the rotatably mounted support is propelled by the rotational movement of the shell (2) being translated into an exchange mechanism associated with the support (20).
18, Legeredskab ifølge et af kravene 7-17, kendetegnet ved, at akselstangens (5) gennemføring i den krumme kalot (12) er beskyttet af en tætning, der hindrer personkontakt med det roterende leje.Playing gear according to one of claims 7 to 17, characterized in that the passage of the shaft (5) into the curved baffle (12) is protected by a seal which prevents personal contact with the rotating bearing.
19 Legeredskab ifølge et af kravene 13-18, kendetegnet ved, at skallen (2) kan rotere om sin akselstang (5) såvel som pendulere i forhold til sit ophæng i stativet.Playing gear according to one of claims 13-18, characterized in that the shell (2) can rotate about its shaft (5) as well as pend in relation to its suspension in the rack.