Claims (1)
1. Patentansprax: 1:o) Borrskiftningsanordning vid sarskilt Adana borrmask-iner, vilka aro forsedda med ett godtycl=1-igt natal i en borrhallare (7) lagrade och lampligen medelst spdrranordning (12 eller 12a) i ett fixerat forskjutningsldge i linje med en borrspindels (3) axel installbara borr eller borrfasten (10), och vid vilka borrspindein Sr forsedd med en borrchuck, som bestar av tva relativt varandra rorliga chuckdelar, vid vilkas rorelse relativt varandra chucken kan 6ppnas, kanneteeknad_ darav, attborrhallaren Or anbragt en gripan- ordning, igenom vilken den med spindeln (3) roterande chucken kan Rims mot borret och vii- ken ddrvid griper den ena ehuekdelen och darmed astadkommer en- forandring av dess rdrelse relativt den andra chuekdelen pa sidant sdtt, att chucken 6ppnas for att, sedan gripanordningen passerats, fatta borret. 2:o) Anordning enligt patenta.nspraket 1:o), kannetecknad darav, att elaucken pa kant sdtt bestar av en yttre, med borrspindeln roterande del och en inre, med gripanordning for ett borr eller borrfaste fiirsedd del, som medelst en fjEder eller dylikt dr sa, fdrenad med den yttre delen, att chucken oppnas, nar den yttre delen hejdas, varande f Or detta Endam5,1 & borrhalla,ren anbragt en fjadrande gripanordning, genom vilken fjadrande anordnings tryek mot den yttre chuckdelen denna hejdas i sin rorelse, sa att chueken oppna,s. 3:o) .A_nordning enligt patentanspraket 1:o) eller 2:o), kInnetecknad ddrav, att horrhdllaren (7) Sr anordnad vid en med fastanordning (5) for' anbringande pa borrmaskin ens kolonn (1) forsedd, i vertikalplanet och horisontalpla.net installbar slidanordning (6). 4:o) Anordning enligt patentansprdlet 1:o), 2:o) eller 3:a), kanneteeknad darav, att bonhallaren (7) Sr utbildad med en. roterbart lagra,d skiva (8) eller dylikt, fOrsedd med lageranordningar (9) och sparranordning (12) for borren eller borrfdstena (10) samt med sparrstopp (11) for fixerande av skivans (8) vridningsldgen i forb.allande till chucken (4). 5:o) Anordning enligt nagot av patentanspraken 1:o)-3:o), kannetecknad darav, att borrhallaren (7) Sr u-tbildad med en forskjuthart anordnad slid (8a), forsedd med lagringar (9) och sparranordning (12a) for barren. eller borrfastena (10) samt med spErrstopp (11) for fixerande av slidens (8a) ldgen i forhallande till chucken. 6:o) Anordning enligt nagot av foregaende patentansprak, kanneteekr ad ddrav, a,tt borrhallaren (7) Mr et eller nern borr eller borrfasten (10)- Sr anordnad med en utvaxlingsanordning (14) for okande eller minskande av borrets eller borrfastets (10) rotationshastighet i forhallande till chuckens (4) rotationshastighet. 7:o) Anordning enligt nagot av foregaende patentansprak, hannetecknad dEray, att utvaxlingsanordningen (14) mellan borret eller borrfastet (10) och chucken (4) Sr ntbildad till en rotationsriktningen omriktande anordning. Stockholm )040. Kong]. HoLtr. P. A. Norstedt A Stiller 400039 27 72./ef F/Patent claim: 1: o) Drilling shifting device in particular Adana drilling machines, which are provided with an arbitrary natal in a drill bit (7) stored and suitably by means of spreading device (12 or 12a) in a fixed displacing line in line with shaft of a drill spindle (3) installable drill or the drill fastener (10), and in which the drill spindle Sr is provided with a drill chuck, which consists of two relatively movable chuck parts, in the movement of which the chuck can be opened, can be drawn therefrom, the drill holder order, by means of which the chuck rotating with the spindle (3) can rims against the drill and the fold thereby grips one of the ehuek part and thereby causes a change of its movement relative to the other chuek part on the side so that the chuck is opened the gripper is passed, grasp the drill. 2: o) Device according to claim 1: o), characterized in that the electric lock on the edge consists of an outer part, rotating with the drill spindle and an inner part, with gripping device for a drill or drill-fastened provided part, which by means of a spring or such as said, connected to the outer part, that the chuck is opened when the outer part is stopped, being f Or this Endam5,1 & borehole, cleanly arranged a resilient gripping device, by which resilient device pressure against the outer chuck part this is stopped in its movement , said that the chueken open, p. Device according to patent claim 1: o) or 2: o), characterized in that the drill holder (7) is arranged at a column (1) provided with a fixed device (5) for mounting on a drilling machine, in the vertical plane and horisontalpla.net installable sheath device (6). 4: o) Device according to patent claim 1: o), 2: o) or 3: a), can be characterized in that the housing holder (7) is trained with a. rotatably mounted, d disc (8) or the like, provided with bearing devices (9) and locking device (12) for the drill or drill bit stones (10) and with ratchet stop (11) for fixing the turntable of the disc (8) in connection with the chuck ( 4). 5: o) Device according to any one of the patent claims 1: o) -3: o), characterized in that the drill holder (7) is formed with a displacement hardly arranged slide (8a), provided with bearings (9) and spar device (12a). ) for the bar. or the drill fasteners (10) and with a locking stop (11) for fixing the end of the slide (8a) in relation to the chuck. 6: o) Device according to any of the foregoing patent claims, kanneteekr ad ddrav, a, tt the drill bit (7) Mr et or nern drill or drill bit (10) - Sr arranged with a gear device (14) for increasing or decreasing the drill or drill bit ( 10) rotational speed in relation to the rotational speed of the chuck (4). 7: o) Device according to any one of the preceding patent claims, male-registered dEray, in that the gear device (14) between the drill or drill bit (10) and the chuck (4) is formed into a device redirecting in the direction of rotation. Stockholm) 040. Kong]. HoLtr. P. A. Norstedt A Stiller 400039 27 72./ef F /