Rotary shafts – gudgeons – housings – and flexible couplings for ro – Torque transmitted via flexible element – Plural flexible links connected to circumferentially spaced...
Patent
1981-06-26
1984-07-17
Levy, Stuart S.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Torque transmitted via flexible element
Plural flexible links connected to circumferentially spaced...
464 81, 464147, F16D 350, F16D 362, F16D 378
Patent
active
044603452
DESCRIPTION:
BRIEF SUMMARY
STATE OF THE ART ON WHICH THE INVENTION IS BASED
With known shaft couplings of this type the connecting elements consist of straight spring steel plates which are positioned secantly and are fastened directly at one end to the first coupling half and at the other end to the second coupling half. Two pairs of parallel, diametrically opposed spring steel plates are provided so that the spring steel plates are as a whole positioned along the sides of a square. The spring steel plates are fastened to the two coupling halves in such a way that with any direction of rotation one pair in each case is subjected to tension and transmits the torsional moment.
Couplings of this nature permit a small angle of flexure between the input axis and the output axis. This angle of flexure however is very restricted. The spring steel plates are subjected to an alternating load which seriously impairs their service life.
The purpose of the invention is to form a shaft coupling of the type defined above in such a way that with compact design a greater angle of flexure and also if necessary radial offset between input axis and output axis is permitted than is the case with already known couplings and that service life is improved.
DISCLOSURE OF THE INVENTION
This problem is solved by the invention by the fact that: second coupling half, essentially in circumferential direction from the first coupling half to the intermediate element and from the intermediate element to the second coupling half, arrangement about the input and output axis.
By using an intermediate element of this nature it is possible to increase the effective length of the connecting elements with compact design of the shaft coupling. This also increases the flexibility of the coupling with angular offset between input axis and output axis.
Through the use of a number of connecting elements in regular arrangement the forces acting on the intermediate element are balanced in such a way that the intermediate element is retained in central position.
Other designs of the invention are the subject of the subordinate claims.
SHORT DESCRIPTION OF DRAWINGS
Design examples of the invention are explained below with reference to the appropriate drawings:
FIG. 1 shows a cross section through an initial form of design of the shaft coupling according to the invention along line I--I in FIG. 2,
FIG. 2 shows a longitudinal section through the shaft coupling in accordance with FIG. 1 along line II--II in FIG. 1;
FIG. 3 shows a cross section through a second form of design of the shaft coupling according to the invention along line III--III in FIG. 4,
FIG. 4 shows a longitudinal section through the shaft coupling in accordance with FIG. 3 along line IV-IV in FIG. 3;
FIG. 5 shows a cross section through a third form of design of the shaft coupling according to the invention along line V--V in FIG. 6,
FIG. 6 shows a longitudinal section through the shaft coupling in accordance with FIG. 5 along line VI--VI in FIG. 5;
FIG. 7 shows a cross section through a fourth form of design of the shaft coupling according to the invention along line VII--VII in FIG. 8,
FIG. 8 shows a longitudinal section through the shaft coupling in accordance with FIG. 7 along line VIII--VIII in FIG. 7;
FIG. 9 shows a cross section of a modified design of the shaft coupling in accordance with FIG. 7,
FIG. 10 shows a longitudinal section of the modified design of shaft coupling in accordance with FIG. 9 corresponding to FIG. 8;
FIG. 11 shows a cross section through a fifth form of design of the shaft coupling according to the invention along line XI--XI in FIG. 12,
FIG. 12 shows a view of the shaft coupling in accordance with FIG. 11 from direction A in FIG. 11,
FIG. 13 shows a cross section through a modified design of the shaft coupling in accordance with FIG. 11 along line XIII--XIII in FIG. 14,
FIG. 14 shows a longitudinal section through the shaft coupling in accordance with FIG. 13 along line XIV--XIV in FIG. 13;
FIG. 15 shows a cross section through a sixth form of design of the shaft coupling accord
REFERENCES:
patent: 2580781 (1952-01-01), Hoffer
patent: 2864245 (1958-12-01), Amberg
patent: 3726108 (1973-04-01), Geislinger
patent: 4033144 (1977-07-01), Allen
patent: 4203303 (1980-05-01), Miller
Levy Stuart S.
Stodola Daniel P.
LandOfFree
Shaft coupling does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Shaft coupling, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shaft coupling will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1488995