DE1961601U - CARBON BRUSH HOLDER WITH ROLLER SPRING. - Google Patents

Description

RA. 166.729 * 3/25/67

.-..- ■ - "- PATENTANWÄLTE

DIPI ,. ICTG. C. STOEPEIi · DIPL. IJVG. W. GOLIiWITZER

LANDAU / PALATINATE AM SCHfTZBNHOF

March 23, 1967 Gth

Heid & Co. G.m.b.H. Korru-Ges., KoMeMr st en- and Brush holder factory ^ Neustadt a.d. Wine Route

"It contains KöhlebUrst with a scroll spring ¹¹

The ". Firing relates to a carbon brush holder with a scroll spring," as it is used in electric motors have long been known. The scroll spring is used to press the coal ^ which continues in a through the Brush holder formed shaft-like sleeve is guided. When inserting or replacing the carbon brushes, the Scroll spring. The scroll spring is used for this purpose attached to a handle, the removal of the Spring is allowed from its active position by pulling out and / or tilting the handle.

The known handles are now either captive connected to or from the carbon brush holder to take out without further ado. The captive grips, are movably connected "with" the brush holder. They can only be lifted or tilted. A loss

-S-

This prevents it from being laid or dropped. But they cannot be exchanged, so with damage to the scroll spring of the entire brush holder needs to be expanded. In addition, the construction is proportional expensive and takes up a lot of space. The losable grips can, however, simply by means of a chen Mechanism on the brush holders can be attached and detached. The construction is very simple. The handle requires little space for hanging and unhooking, on the other hand it can fall or when changing the carbon brushes are misplaced and are therefore often lost.

The innovation is based on the task of a carbon brush holder to develop with scroll spring., whose grip piece is captive, so when changing the coal in or on The brush holder remains if the need arises, e.g. if the roller spring breaks or is damaged nevertheless through an additional, simple manipulation can be removed from the brush holder.

The innovation solves this task with a carbon brush holder with scroll spring, wherein the scroll spring is attached to a handle, in that the in a parallel to the carbon shaft provided in the brush holder pocket guided, U-shaped handle made of resilient material in one of his handles one with a nose in his pocket has cooperating recess and his other The thighs have two shoulders that narrow at the end is, the width of which corresponds to the height of two cams that follow the upper end of the pocket on the side walls protrude inside. _. "---.". "

This design of the handle and bag the brush holder is achieved, that the handle and so that the scroll spring in their the coal with a pressure force acting position by the interaction of the recess in one leg of the handle and the with this corresponding chamfer in the pocket, which is in the recess engages, is held. If the coal is to be replaced, the recess in the handle from its position behind the nose by exerting a soft pressure on the leg having the recess of the handle is released, it can be pulled upwards until the U-shaped web of the handle attaches to the the two cams at the top of the pocket come to a stop. The handle can then be swiveled outwards, see above that also made the scroll spring. the area of the coal shaft is swiveled out * The coal can now be quickly and easily be replaced. To fix the coal, it is sufficient to insert the handle into the pocket as far as the recess snaps back into place behind the nose in the handle,

Should, e.g. B. in the event of damage or breakage of the scroll spring, the handle can be replaced with it, is sufficient after loosening the recess from the nose Pressure on the opposite leg of the handle, so that the shoulders formed in this come out of the pocket on the same side as the thigh the recess. It can then spring the whole handle with roll-up spring without obstruction by the cams at the top of the Bag can be pulled out of this.

Further features of the innovation and details of the advantages achieved by the same result from the -

_ Yy. _

standing description of the in the accompanying drawings illustrated examples of: the subject of the innovation

Fig. "1 shows the handle in the side as well as after a section A-B and a section C-D through the handle, ..- !. "

Fig. 2 shows the carbon brush holder and the handle at the moment the latter is guided, where, -: the brush holder is shown in section -, ·

Fig. 3 is the carbon brush holder with coal and scroll spring in puncture position in the look and plan .- sees

Fig. 4 shows the brush holder with the handle pivoted out but still attached, the carbon brush holder again in section,

Fig. 5 is a side view of the carbon brush holder with a section that is perpendicular to this view E - F.

The brush holder 1 has a shaft 2 for the coal ^ and a pocket 4, which runs parallel to this shaft, for the handle piece 5. This pocket 4 is on the one hand with a nose 6 _} on the other hand with two cams 7 ^a ^

their upper end equipped, with nose 6 and cam 7 protrude inwards into the cross-section of the pocket.

The handle 5 is U-shaped with two ■ Legs 8 and 9 and consists of resilient material. the Legs 8 and 9 are verbun down through the U-web Io. The leg 9 can for better handling with an approximately approximately right angle pointing outwards Handle flaps 11 be provided. On leg 8 of the handle piece 5, the scroll spring 12 is attached, which in their Position of action on the upper end of the coal 3 while exercising a corresponding pressure is applied.

The handle 9 of the handle piece 5 is provided with an opening IJ which corresponds to the nose β in the pocket 4 of the brush holder 1. In the working position of spring 12 and handle piece 5, the recess 13 is locked behind the nose 6.

The leg 8 of the handle piece 5 has two shoulders 14, so that the end 15 of the leg 8 is narrowed by the amount of the width of these shoulders. The width of these shoulders corresponds to the height of the cams 7 on the side walls of the pocket 4 at the upper end thereof. If the handle 5 with the scroll spring 12 is in a position enabling the carbon 3 to be exchanged (Fig. 4), the handle sfeiick 5 is held and can by the cams J, which then rest on the U-web Io of the handle 5 do not get lost"

If the handle 5 with the scroll spring 12 from the Brush holder 1 are removed, the leg 8 is through Slight compression of the legs 8 and 9 by exerting pressure on the end 15 of the leg 8 on the cam 7

moved past (Fig.2). "In this way, the handle piece 5 easily removed from the brush holder 1 and. exchanged will. So it combines the advantages of the vorfoe known Forms and avoids their disadvantages.

Claims (1)

166729 * 3/25/67 C. STOEPEL · DIPL. ING. W. GOLLWITZER IANDAtr / ΡΓΑΙΖ AB SCHÜTZENHOI ¹ . March 1967 Gth S chu t ζ a η s ρ ruch Carbon brush holder with a scroll spring attached to a handle piece, characterized in that the handle piece U, which is guided in a pocket provided parallel to the carbon shaft in the brush holder, is made of resilient material and has a recess cooperating with a nose in the pocket in one leg and the other Leg with two whose free end -versonmälernden shoulders is provided, the width of which corresponds to the height of _{two cams f} which protrude inwards on the side walls at the upper end of the bag.