US1334784A - Mechanical movement - Google Patents

Description

W. J. NEWTQN.

MECHANICAL MOVEMENT. APPLICATI'ON FILED NOV. 18. 1918.

kl"a.tented Mar. 23, 1920.

INVENTOR BY l, .ab

ATTURNEY UNITED sTATEs PATENT oEEIcE.

WILLIAM J'. NEWTON, OF BRIDGEPORT, CONNECTICUT, ASSIGNOR TO HARVEY HUBBEIIL,

INCORPORATED, OF BRIDGEPORT, CONNECTICUT, A

CORPORATION OF CONNECTICUT.

MECHANICAL MOVEMENT.

To all whom t may concern.'

Be it known that I, WILLIAM J. NEWTON, a citizen of theUnited States, residing at Bridgeport, county of "Fairfield, State of Connecticut, have invented an Improvement in Mechanical Movements, of which the following is a Specification.

This invention has for its object to provide a mechanical movement especially adapted for any of the various uses 1n which an exceedingly quick movement of a part or parts is required, as in operating steam and hydraulic valves, making and breaking electric circuits, etc. This result I accomplish by means of a striker which 1s caused through the action of a spring controlled toggle joint, or equivalent means, to strike a hammer blow upon a swinging member which I term the actuating member.

In the accompanying part of this specilication, v

Figure l is a side elevation illustrating an application of my novel mechanical move ment;

Fig. 2 an end elevation as seen from the right in Fig. 1; .y

Fig. 3 a section on an enlarged scale on the line 3-3 in Fig. 2, lookingk in the direction of the arrows, and

Fig.l 4 is a sectional view illustrating a variant form of the invention.

1() denotes a frame by which the parts are carried and which is conveniently made U-shape, although the special design of the frame is immaterial so far as the principle of the invention is concerned. The side pieces of the frame are shown as provided with attaching ianges 11 by which it is secured in place. The actuating member is shown as double and consists of side pieces 1 2 which are pivoted on the outer sides of the side pieces of the frame, yand spaced apart pro# jections or cross pieces 13 connecting the lower ends of the side pieces. When an actuating member with a single side piece is used projections of course take the place of cross pieces. 14 denotes the striker, shown as made U-shape, the side pieces of which are pivoted to the innery sides of the side pieces of the frame. In the present instance,- the actuating member and the striker are shown as swinging from the same pivots, although it is immaterial whether or not they are pivoted concentrically. In the form illustrated in Figs. 1, 2 and, the toggle Specification of Letters Patent.

drawing forming a Patented Mar. 23, 1920.

Application led November 18, 1918. Serial No. 262,957.

cross piece of the striker and is provided.

with a hole corresponding with hole 18. 2O

denotes a relatively strong compression i spring carried by the toggle arm and bearing against the head of said arm and against the cross piece of the striker or against the angle piece, if used. Washers 21 are preferably interposed between the ends of thespring and the head of the toggle arm and the angle piece, respectively.

The special mechanical connections by which the practically instantaneous movements lof the actuating member, caused by the blows of the striker, are utilized in mechanical operations are immaterial so far as the present invention is concerned. I have shown two oscillatory shafts, indicated by 22, which arejournaled in suitable bearings 23. Each shaft has extending therefrom a rigid arm 2e, said'arms being loosely pivoted to ears 25 on the cross piecesof the actuating member.

The operation is as follows: It will be noted that the striker lies between the cross pieces of the actuating member which are spaced apart far enough to give full effect to the blows of the striker. It is wholly immaterial so far as the present invention is concerned whether the operating member is operated mechanically or manually. In either case when the toggle joint is moved toward its dead center the spring will be compressed, the toggle arm sliding lfreely in the holes in the angle piece and the cross piece of the striker. The lower end of the spring, or the lower washer if used, will ride up an angle oi the angle piece until it reaches theapex of the angle piece. An instant later the washer will start to ride down the other angle of the angle piece and r starting position. It should be understood, however, thatthe device is perfectly operative if the angle piece is omitted. The toggle arm of course carries the striker, so the result is, either with or without an .angle piece, that the full strength of the sprmg is exerted upon the striker causing it to strike a 'violent blow upon the cross iece of the actuating member opposite to t e onev with which the striker was previously in contact. The operating member remains stationary until it receives the blow and the movement 'of the actuating member is limited by enj' agement of one of its cross pieces with the rame. In the present instance the instantaneous movements of the'actuatingI member will be transmitted by means of arms 24 to4 the shafts and will cause practically instantaneous oscillatory movement of the shafts.

The form illustrated in Fig. 4 diifers in that Ithe toggle arm, as an independent element, is dispensed with and another type of spring is used which combines the functions of both'toggle'arm and spring. The operating member, actuating member,'and striker are the same as before.' In lieu yof the toggle arm and compression spring of ,y before.

the other form, I use a spring`comprising one or more coils 26 which lie between the side pieces of the striker and in the plane of movement of the striker, and arms 27 which extend in opposite directions. One of these arms is pivoted to the operating member as at 28, the other arm being pivoted near the free end of the striker, as at 29.

The operation is practically the same as The action of the combined spring and toggle arm is to retain the toggle joint 4bowed and the striker at one extreme or the' other of its movement. Manipulation ,o.. the operating member will cause distoractin "tion o'fthe coils of the spring which will 'accumula-te power until the toggle jointhas reachedits neutral position or dead center. An instant later the spring will react and its full power will be exerted to throw the toggle joint to the other extreme 4of its movement, causing the striker to strike a violent blow upon the opposite projection or cross piece of the actuating member and throw said member to the opposite extreme of its movement. v

Having thus described my invention, I claim: -Y

1. A mechanical movement comprising a swinging actuating member, a striker adapted to engage opposite sides of the actuating member, and a spring controlled toggle joint position until the joint has been swung past its dead center and to then cause the striker to violently strike the actuating member and throw it to the other extreme of its movement.

to retain the striker at its normal' frame, a swinging actuating member pivoted thereto and having projections which engage the frame to limit their movement, a swlnging striker, and means for causingthe striker to strike a projection of the operating member and throw the latter to the opposite extreme of its movement.

3. A mechanical movement comprising an actuating member, a striker, and a spring controlled toggle joint which causes the striker to strike the actuating member when the joint is swung past its dead center.

4. A mechanical movement comprisin a swinging actuating member having projections, a swinging striker between the projections, and a spring controlled toggle joint one member of which'has sliding e agementwith the striker, whereby the atter `is caused to strike a projection of the actuat- ,ing member and throw the latter to the o posite extreme of its movement when tiie joint is thrown past its dead center.I 5. A mechanical movement comprising an actuating member having side pieces and spaced apart cross pieces, a swinging striker between the cross pieces, and a spring controlled toggle joint, one member of which has sliding en agement with the striker, subst'antially as dgescribed for the purpose speci ed.

6. A mechanical movement com rising a U-shaped frame, an actuating mem er comprising side pieces pivoted outside the side pieces of the frame and spaced apart cross pieces, a U--shaped striker pivoted inside the side pieces of the frame and lying be- .tween the cross pieces of *the actuat" member, and a spring controlled togg e joint, one member of which has sliding engagement with the striker. .Y

7. A mechanical movement com rising a U-sliaped frame, an actuating mem er comprising side pieces pivoted outside the side pieces of-the frame and spaced apart cross pieces, a U-shaped striker pivoted inside the side pieces of the frame and lying between the cross pieces of the actuating member, an operating member, a toggle arm pivoted to the operating member and having sliding connection with the striker, and a compression spring whereby the striker is caused to strike a cross piece of the actuating member and throw {aid member to the opposite extreme of its movement.

8. A mechanical movement comprising a shaft having an arm extending therefrom, an actuating member to which said arm is pivotally connected, a' striker, and a spring controlled toggle joint which causes the striker to throw the actuating member to the opposite extreme of its movement and thereby impart an oscillatory movement to the shaft.

9. A mechanical movement comprising a 2. A mechanical movement comprising a swinging actuating member, a swmging- U- shaped striker, an angle piece on the cross piece of the striker, an operating member, a toggle arm having sliding connection with the striker and the angle piece and having a head pivotally connected to the operating member, and a spring bearing agalnst said head and the angle piece respectlvely.

l0. A mechanical movement comprising a swinging actuating member, a striker, an

operating member, a toggle arm having Slid- 10 ing connection with the striker. and having a head pivotally connected to the operating member, and a spring bearing agalnst said head and against the striker whereby the latter is caused to throw the actuating mem- 15

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