US3239207A - Process and resilient assembly apt to absorb vibrations or shocks and/or to transmit torques - Google Patents

Process and resilient assembly apt to absorb vibrations or shocks and/or to transmit torques Download PDF

Info

Publication number
US3239207A
US3239207A US317231A US31723163A US3239207A US 3239207 A US3239207 A US 3239207A US 317231 A US317231 A US 317231A US 31723163 A US31723163 A US 31723163A US 3239207 A US3239207 A US 3239207A
Authority
US
United States
Prior art keywords
cables
cable
pair
torsional
figures
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.)
Expired - Lifetime
Application number
US317231A
Other languages
English (en)
Inventor
Camossi Carlo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cable Isolation Systems Inc
Original Assignee
Cable Isolation Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cable Isolation Systems Inc filed Critical Cable Isolation Systems Inc
Application granted granted Critical
Publication of US3239207A publication Critical patent/US3239207A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/14—Vibration-dampers; Shock-absorbers of cable support type, i.e. frictionally-engaged loop-forming cables
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/60—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising pushing or pulling links attached to both parts

Definitions

  • the cable twist angle is remarkably greater than the twist angle that may be obtained with a solid homogeneous piece, of the same material as the cable, of the same size and subjected to the same torque.
  • the present invention concerns all those kinematic and mechanical systems that can be obtained by taking separately and jointly the advantages of the above mentioned features, and it is an object thereof to use cables subjected to torsional stresses, eventually combined with bending stresses in order to realize vibration dampers or cushioned members for transmitting forces.
  • Shock absorbers according to the invention concern in practice a very large range of applications, and, since the basic principle does not change in all the various embodiments, only two very important and useful examples will be described, they are: a shock absorber for weaving looms and washing machines.
  • shock absorber absorbs gradually and progressively the kinetic energy (living force) of one or both masses and the vibrations generated therefrom, so as to ensure a quiet and noiseless movement, that was impossible up to now.
  • shock absorbers include the possibility of limiting the braking action, in a very little space; enabling a micrometric adjustment of the stroke; preventing the transmission of vibrations from one member to the other one; theoretically avoiding the necessity of lubrication, and of maintenance; facilitating the adjustment to variable powers on the same support either by varying the number of the cables, their length or their diameter, or the sense of their twisting.
  • the essential features of the anti-shocks and antivibration shock absorbers include the subjecting to twisting and/or bending stresses one or more segments of metal or plastic cables, the ends of which also in one or more intermediate regions are respectively constrained by the bodies which are subjected to a contrasting motion.
  • the cable segments arranged in parallel relation can have their own twisting directed in the same sense or in opposite sense relative to that of the segment of the adjacent cable; the arms connected with respective mobile bodies can be placed symmetrically or asymmetrically with regards to the motion direction.
  • FIGURES l and 2 are views of a simple cable torsion element and a dual torsion element according to the invention.
  • FIGURES 3 and 3 are side and end elevations respectively of the device of FIGURE 2 provided with means for applying a torsional force to the cable ends;
  • FIGURES 4 and 4' are views similar to FIGURES 3 and 3 of a more complex device embodying two cables;
  • FIGURES 5 and 5' are end and side elevations of a similar but modified device embodying six cables;
  • FIGURES 6 and 7 are end elevations of two devices similar to that shown in FIG. 5 but more complex;
  • FIGURES 8 and 8' are plan and elevational (partly sectional) views respectively of a modified embodiment in which the cables are crossed;
  • FIGURES 9 and 9' are end and side elevations of modified devices employing one of the FIGURE 8 devices assembled to a pair of dual torsion elements for absorption of shocks applied from any direction;
  • FIGURES 10 and 10' are side and end elevations of still another arrangement of torsional cables
  • FIGURES 11 and 12 show a buffer of asymmetric type for weaving looms in a lateral view and top view respectively;
  • FIGURES 13 and 14 show a buffer of symmetric type according to the modified embodiment respectively in a partially sectioned lateral view, and in a top view;
  • FIGURES 15 and 16 show an anti-vibrations shock absorber of asymmetric type, particularly for washing machines, in two elevational views which are perpendicular to each other.
  • the movable system connected to the cable end 2 can undergo, relative to the stationary system, a small rotary movement, in the direction of the cable twisting, and a larger rotary movement in the opposite direction, but at any rate adjustable by means of a preliminary loading.
  • An example of exploitation of the torsional features of the cable combined with its antivibrating characteristics may be obtained in all those mechanisms wherein for instance a reciprocating rotatory movement occurs accompanied by variable accelerations during the movement itself; an example can be the whipping member of a vertical washing machine; the Windshield wiper of a car,
  • the torsional element shown in FIGURE 1 can further originate, by varying the restraining system, other torsional elements that extend the torsional and anti-vibration applications of the cable, as shown in the successive examples.
  • the cross-member 5 (see FIGURES 33) can in turn be constituted by a dual torsional element, as shown in the FIGURE 2, thereby realizing an assemblage as shown at 2, C, 1, 3 in FIGURE 4.
  • FIGURES 5 and 5 constitute an example of the application of a pair of three dual torsional elements C.
  • a variable force F constituted for instance by an oscillating mass
  • FIGURES 5 and 5 To the pair of many dual torsional elements such as C, of FIGURES 5 and 5 three can be added a third one or even a greater number of dual torsion elements such as C, as shown in FIGURE 6.
  • the law governing the stretching as a function of the strain can deviate from the normal linear deformation law of springs, to follow a particular law depending from the use to which it may be applied.
  • the device as above can be used and applied in place of particular spring applications with the difference that same can have a non linear strain, having at the same time remarkable vibration dampening features.
  • FIGURES 4, 4'5, 5' and 6 may constitute an effective resilient dampened element for forces acting in opposite directions, as shown in FIGURE 7.
  • FIGURE 7 formed by two elements It) and 11 carrying groups of torsional cables C and connected to the pull rods 13, 14 with force application points 15-16 acting in opposite directions, can perform the resilient dampening functions along two planes perpendicular to each other, i.e., a plane including points 15 and 16 and a plane perpendicular to part 11, contrary to conventional shock absorbers, that perform their action mainly along a single direction.
  • FIGURE 8 By using two dual elements perpendicular to each other, it is possible to realize a combined assemblage as shown in FIGURE 8.
  • one of the many applications of such a combined cross-shaped assemblage can be that of constituting the essential part of a shock absorber effective in all the three planes of application of the forces.
  • FIGURE 10 Another of the manifold possible connections of simple or multiple elements, may be constituted as shown in FIGURE 10, wherein the resilient and dampening effect of the different C elements of at least two dual torsion elements are transmitted to the cross-bar 3 by means of arms 4.
  • the stationary cores 1 are interconnected by a cross-bar 27.
  • FIGURES 11 and 12 there is shown a practical example of a buffer which is constituted by a stationary support 57 and a movable part 58 mutually interconnected by the assembly of the dampening parts 59, constituted by two sets 53 of cable sections interconnected by short arms 55.
  • the stationary support 57 is constituted by a pair of plates and 51, the base plate 50 whereof is applicable to the weaving loom by means of any preferred means, while the second plate 51 mates with the first one through a serrated surface plane, and is restrained to the plate 50 after a prior micrometric adjustment utilized for imparting an adjustable torsional pre-loading to the dampening cables 53-"3'.
  • the outer sleeves 54 are also fastened with a pair of arms 55, parallel to each other and slanted relative to the plate 51, and secured at their opposite end to a set of sleeves 52-54, exactly similar to the sleeves 52-54.
  • the intermediate sleeves 52' are in turn fastened to the movable plate 56 which is parallel to the plate 51, and secured at one end to the plate 56', perpendicular thereto, and carrying outwardly a buffer member 58' of a material suitable for receiving the blows. Therefore the assemblage 56-56'58 constitutes the movable part of the dampening unit subjected to the shocks, while the plurality of arms -55'-55" etc. constitute the completion of the quadrilateral, exploiting the torsion of cables 53 and 53' as a brake for the impact mass.
  • a stationary supporting plate 60 wherefrom extends perpendicularly two parallel wings, suitably spaced apart 61, on which there are restrained, along two parallel rows positioned towards the lateral edges, a plurality of pairs of end sleeves 62 of as many cable sections 62', whose intermediate sleeve 63 has an elongated section operating as an arm.
  • These sleeves 63 are all arranged obliquely and in the same direction, that is towards the inside.
  • the movable part is constituted by a plate 64, carrying outwardly the buffer plate 65 receiving the blows, and by a shank 66 fastened to the plate 64 in a central position, whose end 66' extends through the stationary plate 60 and is provided with a couple of nuts 67, by means of which it is possible to adjust the relative position of the plates 64 and 60.
  • the shank 66 besides, in correspondence with each pair of elements 63, carries a plate 68, suitably spaced from the adjacent ones, so as to remain exactly inserted between the arms 63 of one pair and the sleeves 62 of the immediately next pair of cable sections 62', While the plate 64 leans against the last arms 63 towards the outside.
  • This buffer for weaving looms has the advantage of being able to be housed in a hermetic and sealed enclosure, not shown, to protect it from soiling deriving from the loom operation, and to prevent any tampering that might result in a faulty adjustment. Moreover this assembly lends itself to a remarkable space saving and therefore to a greater versatility of application.
  • FIGURES and 16 there is shown a type of shock absorber of an antivibration capacity, for instance for washing machines; from the point of view of design and construction it is a reproduction of the example of the FIGURE 7, and therefore there is no need to give a detailed description of same; but only to state that the end '70 is linked to the revolving and swinging basket of a washing machine, and the end 71 is connected to the stationary bottom of the container surrounding and supporting the basket.
  • these anti-shock and antivibration devices may be entirely metallic, preferably using stainless materials, suitable for particularly moist environments or in corrosive atmospheres; but they could also be made or lined with plastic materials, without therefore departing from the field of the present invention.
  • a torsional shock absorber comprising first and second pairs of parallel cables each formed of a plurality of twisted strands and respectively lying in two parallel oifset planes, end sleeves affixed to the ends of each cable, a center sleeve aflixed to the center of each cable, rigid bars extending from one of said offset planes to the other and connecting the end sleeves of adjacent cables, a first force transmitting rod secured to the center sleeves of the cables in one of said planes, and a second force transmitting rod secured to the center sleeves of the cables lying in the other of said planes.
  • a torsional shock absorber according to claim 1 wherein said first transmitting rod is formed in two separate parallel parts having interengaged teeth, said parts being movable and provided with clamping means for micrometric adjustment of the initial torsion applied to said cables.
  • each cable has its wires twisted in a direction opposite to that of the Wires of the adjacent cable.
  • a torsional shock absorber comprising at least two cables formed of a plurality of twisted strands, first securement means connecting the central portions of said cables, at least two further and similar cables each offset in a substantially parallel plane to one of said first two cables, second securement means connecting the central portions of said two further cables, and means connecting the ends of each of said first two cables to the corresponding ends of each of said two further cables, whereby forces applied to said first and second securement means result in twisting of the connected cables.
  • a torsional shock absorber comprising a first pair of cables, securement means connecting the central portions of the cables of said pair, a second pair of cables each offset from and substantially parallel to one of said first pair of cables, force transmitting means connected to the central portions of said second pair of cables, and means connecting the ends of each of said first pair of cables to corresponding ends of the second pair of cables.
  • a shock absorber according to claim 5 wherein said first pair of cables are parallel to each other and each of the cables of said second pair of cables.
  • a shock absorber according to claim 5 wherein said securement and force transmitting means comprise rods for transmitting force from a pair of support bodies to :be connected thereto.
  • a torsional shock absorber comprising at least three pairs of parallel cables formed of a plurality of twisted strands each pair lying in one of at least three offset parallel planes, first, second and third securing means connecting the cables of each pair near their centers to one another, and rigid arms connecting the ends of cables in one plane to the adjacent ends of the cables lying in adjacent planes.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Flexible Shafts (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Vibration Dampers (AREA)
US317231A 1963-03-09 1963-10-18 Process and resilient assembly apt to absorb vibrations or shocks and/or to transmit torques Expired - Lifetime US3239207A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT494663 1963-03-09
IT1029463 1963-05-17
IT1031963 1963-05-18
IT1486963 1963-07-16

Publications (1)

Publication Number Publication Date
US3239207A true US3239207A (en) 1966-03-08

Family

ID=27452682

Family Applications (1)

Application Number Title Priority Date Filing Date
US317231A Expired - Lifetime US3239207A (en) 1963-03-09 1963-10-18 Process and resilient assembly apt to absorb vibrations or shocks and/or to transmit torques

Country Status (4)

Country Link
US (1) US3239207A (en)van)
BE (1) BE637714A (en)van)
GB (1) GB1043866A (en)van)
NL (1) NL6401644A (en)van)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347277A (en) * 1965-10-15 1967-10-17 Lord Corp Vibration isolating support for looms
US3568806A (en) * 1969-08-27 1971-03-09 Us Navy Torsion yield shock mount
US3596865A (en) * 1967-05-26 1971-08-03 Carlo Camossi Metal cable absorber mounting system
US3677371A (en) * 1970-10-27 1972-07-18 Bell Telephone Labor Inc Impact energy absorber
US4783038A (en) * 1987-07-07 1988-11-08 Aeroflex International Incorporated Isolator apparatus
US4976417A (en) * 1989-08-14 1990-12-11 General Motors Corporation Wrap spring end attachment assembly for a twisted rope torsion bar
US5062507A (en) * 1988-09-05 1991-11-05 Vibrachoc Vibration and shock absorber device
US5120032A (en) * 1990-08-02 1992-06-09 General Motors Corporation Multi-rate anti-buckling twisted rope torsion bar
WO1993012367A1 (en) * 1991-12-16 1993-06-24 Abb Impell Corporation Pipe restraint
US5265853A (en) * 1992-03-12 1993-11-30 Thomas Szirtes Extended angular range flexural pivot
US5609328A (en) * 1994-07-13 1997-03-11 Vectra Technologies, Inc. Pipe restraint
US5690322A (en) * 1994-02-03 1997-11-25 Socitec Societe Pour Le Commerce International Et Les Echanges Techniques Shock and vibration damping mount
US5791636A (en) * 1992-07-16 1998-08-11 Loziuk; Larry Compact profile wire cable isolator and energy absorbing restraint
RU2178845C2 (ru) * 2000-02-14 2002-01-27 Мансуров Олег Ибрагимович Сейсмоударная защитная платформа
EP3609735B1 (de) 2017-04-13 2022-05-18 Rheinmetall Protection Systems GmbH Stossabsorbierender sitz mit boden- oder deckenmontierten dämpfungsgliedern

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US169032A (en) * 1875-10-19 Improvement in torsional springs for vehicles
US203739A (en) * 1878-05-14 Improvement in springs for seats
US265899A (en) * 1882-10-10 Vehicle-spring
US838882A (en) * 1905-04-21 1906-12-18 Ralph L Morgan Flexible shaft.
FR607804A (fr) * 1925-12-03 1926-07-09 Dispositif d'accouplement souple à la cardan
US2198447A (en) * 1937-04-12 1940-04-23 Knorr Bremse Ag Safety valve for steam generators
FR977121A (fr) * 1942-06-27 1951-03-28 Citroen Sa Andre Dispositif élastique de rappel pour pièces coaxiales
DE759204C (de) * 1938-05-18 1953-03-30 Siemens Schuckertwerke A G Federanordnung fuer Schwingeinrichtungen mit insbesondere kreisfoermigen oder elliptischen Schwingbewegungen
US3023993A (en) * 1959-12-08 1962-03-06 Kerley Engineering Inc Serially arranged vibration isolators with low natural frequency
US3025031A (en) * 1960-01-21 1962-03-13 Kerley Engineering Inc Vibration isolator arrangement to reduce stress concentration of cable
US3052003A (en) * 1960-09-15 1962-09-04 Cabot Corp Support bar and wire rope assembly for polished rods

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US169032A (en) * 1875-10-19 Improvement in torsional springs for vehicles
US203739A (en) * 1878-05-14 Improvement in springs for seats
US265899A (en) * 1882-10-10 Vehicle-spring
US838882A (en) * 1905-04-21 1906-12-18 Ralph L Morgan Flexible shaft.
FR607804A (fr) * 1925-12-03 1926-07-09 Dispositif d'accouplement souple à la cardan
US2198447A (en) * 1937-04-12 1940-04-23 Knorr Bremse Ag Safety valve for steam generators
DE759204C (de) * 1938-05-18 1953-03-30 Siemens Schuckertwerke A G Federanordnung fuer Schwingeinrichtungen mit insbesondere kreisfoermigen oder elliptischen Schwingbewegungen
FR977121A (fr) * 1942-06-27 1951-03-28 Citroen Sa Andre Dispositif élastique de rappel pour pièces coaxiales
US3023993A (en) * 1959-12-08 1962-03-06 Kerley Engineering Inc Serially arranged vibration isolators with low natural frequency
US3025031A (en) * 1960-01-21 1962-03-13 Kerley Engineering Inc Vibration isolator arrangement to reduce stress concentration of cable
US3052003A (en) * 1960-09-15 1962-09-04 Cabot Corp Support bar and wire rope assembly for polished rods

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347277A (en) * 1965-10-15 1967-10-17 Lord Corp Vibration isolating support for looms
US3596865A (en) * 1967-05-26 1971-08-03 Carlo Camossi Metal cable absorber mounting system
US3568806A (en) * 1969-08-27 1971-03-09 Us Navy Torsion yield shock mount
US3677371A (en) * 1970-10-27 1972-07-18 Bell Telephone Labor Inc Impact energy absorber
US4783038A (en) * 1987-07-07 1988-11-08 Aeroflex International Incorporated Isolator apparatus
US5062507A (en) * 1988-09-05 1991-11-05 Vibrachoc Vibration and shock absorber device
US4976417A (en) * 1989-08-14 1990-12-11 General Motors Corporation Wrap spring end attachment assembly for a twisted rope torsion bar
US5120032A (en) * 1990-08-02 1992-06-09 General Motors Corporation Multi-rate anti-buckling twisted rope torsion bar
WO1993012367A1 (en) * 1991-12-16 1993-06-24 Abb Impell Corporation Pipe restraint
US5360210A (en) * 1991-12-16 1994-11-01 Vectra Technologies, Inc. Pipe restraint
US5482259A (en) * 1991-12-16 1996-01-09 Vectra Technologies, Inc. Pipe restraint
US5265853A (en) * 1992-03-12 1993-11-30 Thomas Szirtes Extended angular range flexural pivot
US5791636A (en) * 1992-07-16 1998-08-11 Loziuk; Larry Compact profile wire cable isolator and energy absorbing restraint
US5690322A (en) * 1994-02-03 1997-11-25 Socitec Societe Pour Le Commerce International Et Les Echanges Techniques Shock and vibration damping mount
US5609328A (en) * 1994-07-13 1997-03-11 Vectra Technologies, Inc. Pipe restraint
RU2178845C2 (ru) * 2000-02-14 2002-01-27 Мансуров Олег Ибрагимович Сейсмоударная защитная платформа
EP3609735B1 (de) 2017-04-13 2022-05-18 Rheinmetall Protection Systems GmbH Stossabsorbierender sitz mit boden- oder deckenmontierten dämpfungsgliedern

Also Published As

Publication number Publication date
BE637714A (en)van)
NL6401644A (en)van) 1964-09-10
GB1043866A (en) 1966-09-28

Similar Documents

Publication Publication Date Title
US3239207A (en) Process and resilient assembly apt to absorb vibrations or shocks and/or to transmit torques
US3737155A (en) Combination vibration isolator and shock absorber
US3970162A (en) Device for suspending the body and the engine-drive unit in an automobile vehicle
US2271935A (en) Vibration damper
US3197983A (en) Resilient support for rotor assembly
CN102300682A (zh) 包含具有无支撑臂的重量平衡装置的操纵器
US3704877A (en) Means and method of energy storage and damping
EP3259489B1 (en) Multi-performance hysteretic rheological device
US3596865A (en) Metal cable absorber mounting system
US5549270A (en) Vibration isolation system
US10113609B2 (en) Vibration isolating device for an elastic coupling of two components
US2685425A (en) Mounting system
US3617609A (en) Conductor vibration damping device
US2215541A (en) Torsional damper for line conductors
SU507214A3 (ru) Подвеска сидень дл транспортного средства
US3204943A (en) Vibration absorbing force transmitting structures
US4525596A (en) Damping spacer for bundle conductors of high-voltage electric lines, with improved damping effectiveness
US3262661A (en) Damping system for washing machines
CA1232639A (en) Vibration damper
US3276812A (en) Anti-vibration cab mounting
US3132830A (en) Resilient mountings for motor vehicle power units
JPH0310817B2 (en)van)
CN1166873C (zh) 一种摆动装置
US4012654A (en) Single-phase synchronous machine
RU193081U1 (ru) Виброизолирующая система