US1193491A - Flobjhoe ssabistg baibd - Google Patents

Description

G. E. BAIRD, 'DEC'D.

F. s. BAIRD, ADMINISTRATRIX.

DISPLAY DEVICE.

APPLICATION HLED JUNE ZG, I913.

Patented Aug. 1, 1916.

provide one or ATIENT TED STATES l GEORGE E. BAIRD, OF PEORIA, ILLINGIS; FLGBE G TRIX OF SAID GEORGE E. BAIBD, DECEASED, T0 ALBERT R. MAGKUSIGK,

033 BOSTON, MASSACHUSETTS.

DISPLAY DEVICE.

mes rat.

Application filed June 26, 1913.

To all whom it "may concern lie it known that I, GEORGE E. BAIRD, citizen oi the United. States, residing at Peoria, in the county of Peoria and State of Illinois, have inrcnted certain new and useful Tmprovements in Display Devices; and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to a device for display purposes.

It pertains more particularly to a device comprising one or more vanes adapted to oscillate and provided with matter on each side to be displayed and adapted by certain mechanism to be moved to expose opposite surfaces alternately to view.

It pertains still more particularly to a device including one or more vanes or wings carrying display matter adapted to oscillate and a main rotating part in control of certain mechanism to impart oscillation to said vanes or wings to alternately expose opposite surfaces at each movement of said mechanism.

The main object of the invention is to more vanes or wings with matter on opposite sides to be displayed and to furnish a member adapted. to rotate in but one direction in an intermittent man her, and certain mechanism in connectlon therewith and in control of the vanes or wings for oscillating said vanes or wings to display the matter carried by them.

Another object is to provide a device com- 'irising one or more vanes or wings carrying matter on arch side to be displayed combining therewith a member adapted to rotate in but one direction, and a weight or equivalent member constantly tending to rotate said member and means to cause at will the release and movement of the same to change the positions of the vanes or wings.

desides this the invention relates to certain details of construction to be described in the following specification and pointed out in the appended claims.

In the accompanying drawing Which illustrates my invention, Figure 1 shows the device in perspective as seen from the rear.

Fig. 2 is a side elevation of the same. Fig.

Specification of Letters Patent.

Fatonted Aug. it, 1916.

Serial no. 775.942.

0 is a vertical section of a part of the device .how1ng two vanes or wings and a connecting member for the same, and Fig. 4 is a. side elevation of a part of certain gearing shown in 2 much enlarged in size.

A indicates a suitable framing which, for example, as in the present instance, may consist of angle iron bent into a rectangular form. One of its parts is provided with suitable holes B to attach it to any suitable support, not shown, said frame being held in an upright or vertical position.

0 indicates a series of vanes or wings provided at their ends with any suitable member D secured thereto or forming a part of the same and constituting pivots which extend through and are carried by the said frame A.

E is a bracket secured to the frame and oreferably provided with a stud E. Mounted on the stud is a scape-wheel F the structure of which will be described later herein. Mounted upon a cross member G of the bracket E is a gear H and adjacent thereto and in mesh with it is a pinion J secured on the pivot-member D, for example, of one of the vanes C. The gear H is provided on its surface adjacent the scape-wheel F with a projecting cam portion K. This extends across the face of said wheel and has a curved surface'L. Extending from the side of the scape-wheel toward said wheel H are two series of lugs M N. The series M lie in a circle near the outer edge of the wheel, while the series N is spaced inward therefrom and alternate in position. That is to say, the lugs of one series lie opposite the spaces between the lugs of the other series so that in the rotation of the wheel i the lugs alternately engage the cam portion K which lies in the path of the same. The axis of the gear .l-l lies midway between the two lines or series of lugs so that, for example, a lug M will rotate said gear in one direction and a lug N will impart movement in the opposite direction from the fact that the two said series of lugs lie at opposite sides of the axis of rotation. This is clearly illustrated in Fig. i wherein the lug N is in engagement with the cam portion K and in the act of rotating the gear H in the direction of the dart or counter clockwise. The scape-wheel F rotates in the direction of the dart shown adjacent thereto and a continued movement or a further movement of the wheel F results in one of the lugs M meeting the cam K a the other side of the axis of rotation of the wheel H and oscillating the latter in an opposite direction. The distance the wheel H is moved is always a definite one and in this instance may be determined by the limit imposed by the edges of the vanes meeting one another, their edges overlapping for this purpose, or by means of a suitable pawl arrangement; it being required that the vanes when at rest shall always lie substantially in the same plane.

The scape-wheel is rotatably mounted on the described stud E of the bracket E and adjacent to it is a winding drum O also rotatably mounted independent of said wheel. A cable P carrying a weight Q, is attached to the drum. One of the flanges O of the drum is provided with a series of notches R, and S is a pawl carried by the scape-wheel and adapted to engage any one of the said notches. The cable when wound upon the drum imparts rotation to the wheel F through said pawl, the latter permitting the drum to be rotated to take up the cable independently of the wheel.

The outer periphery of the scape-wheel is furnished with a series of ratchet teeth T spaced from one another a distance equal to the distance of travel to be imparted to said wheel and to the gear H. And the relation of the gear H and pinion J with regard to the number of teeth on each is such that in the partial rotation of the gear H said pinion will rotate a distance sufficient to cause a half rotation of the vanes or wings.

U is a bracket secured to and extending outward from the frame A. This supports an electromagnet V to which is pivoted an armature carrying a pawl provided with two extensions 2, 3. The former engages one of the teeth of the scape wheel preventing movement thereof due to the weight, while the extention 3 has such a relation to the scape-wheel that when the latter is moving, the extension 2 of the pawl being lifted, one of the teeth of the scape wheel meet said extensions 3 and move it upward resulting in positively moving the end 2 down into position to meet the next tooth aided by gravity. This also insures against the armature sticking or the failure of the pawl to stop the rotation of the said scape-wheel. One of the members D of the vanes C is provided with a suitably weighted arm 4 lying normally at right anglesto the plane of that vane. The purpose of the said weighted arm is that the vanes will be prevented from oscillating on their pivots due to air currents, the'weight being suflicient for this purpose although said arm may not be used. In order that all of. the vanes shall move simultaneously they are connected through a rod 5 by means of eyes 6 thereon which engage in holes 7 in corresponding edges of the vanes. Thus when the vane operated by the pinion J is turned all of the vanes must move in synchronism.

The electromagnet V is connected with any source of electric current through wires 8 and a contact maker at 9 serves to close the circuit whenever it is the desire to op erate the vanes.

The vanes may be oscillated at regular intervals automatically by any desired means but in the present instance it is entirely un der the control of the operator and when so operated it is adapted for use on ball fields and other places where information is to be given. Upon closingthe circuit through the electromagnet the armature W is lifted. The weight Q is thus permitted to exert its pull by rotating the scape wheel thus causing one of the lugs M N to meet the cam K and impart a partial rotation to the gear H and through it substantially one half rotation is imparted to the pinion J, or a. distance suflicient to move the vanes through a one-half turn.

As shown by broken lines in Fig. 2, and as already stated, the pawl 2, 3, at this time has been raised at that end engaging the ratchet teeth of the scape-wheel, the other end being moved into the path of the said ratchet teeth so that it will positively be thrown outward to bring the extremity 2 back to position to engage and hold the next tooth of said scape-wheel. In the succeeding operation a lug of an opposite series will engage the cam of the gear H at the opposite side of its axis thereby rotating said wheel a portion of a revolution in a direction opposite to that in which it was first moved. This likewise imparting an opposite direction of movement to the said pinion. Opposite sides of these vanes are thus alternately brought to view.

lVhile I have described a preferred structure for oscillating the vanes I may use other equivalent structures and in place of the electromagnet and armature as the tripping means, since others may be substituted and the device may be otherwise changed within the scope of the claims without departing from the spirit and intent of the invention.

Having thus described my invention, I claim 1. In a device of the character described, in combination, a support, a vane or wing pivoted thereon, a pinion fixed relatively to the said vane at the pivot thereof, a gear in mesh with said pinion and having a part lying at each side of its axis of movement, a member adapted for a single direction of movement and including two series of ex tensions, said two series of extensions lyingat opposite sides of said axis of movement of the gear, the extensions of each series adapted to alternately engage the said part of said gear.

2. In a device of the character described, in combination, a support, a vane or wing pivoted thereon, a pinion fixed relatively to the said vane at the pivot thereof, a gear in mesh with said pinion having a part lying at each side of its axis of movement, a member adapted for a single direction of move ment and including two series of extensions, said two series lying at opposite sides of said axis of movement of the gear, said extensions of the two series of extensions adapted to alternately engage the said part of said gear, and means to impart rotation to said member in a single direction.

3. In a device of the character described, in combination, a support, a vane or wing pivoted thereon, a pinion fixed relatively to the said vane at the pivot thereof, a gear in mesh with said pinion having a part lying at each side of its axis of movement, a rotatable member including two series of extensions, said two series lying at opposite sides of said axis of movement of said gear, the said extensions of the two series of extensions adapted to alternately engage the part on said gear, and means constantly tending to impart rotation to said member in a single direction.

4. In a device of the character described, in combination, a support, a vane or wing pivoted thereon, a pinion fixed relatively to the said vane at the pivot thereof, a gear in mesh with said pinion having a part lying at each side of its axis of movement, a rotatable member including two series of extensions, said two series lying at opposite sides of said axis of movement of said gear, the said extensions of the two series of extensions adapted to alternately engage the part on said gear, means constantly tending to impart rotation to the member, in a single direction, and an escapement in control of said member.

5. In a device of the character described, in combination, a support, a vane or wing pivoted thereon, a pinion fixed relatively to the 111i d vane at the pivot thereof, a gear in mesh with said pinion having a part lying at each side of its axis of movement, a rota table member including two series of extensions, said two series lying at opposite sides of said axis of movement of said gear, the said extensions of the two series of extensions adapted to alternately engage the part on said gear, and a manually controlled escapement in control of the member.

6. In combination with mechanism to be oscillated including an extended part, a member adapted to oscillate and having engagement 'with said part and carrying an extended portion on one of its faces at each side of its axis of oscillation, and a rotatable member including two series of spaced prooscillated including an extended part, a

member adapted to oscillate and having en gagement with said part and carrying an extended portion on one of its faces at each sire of its axis of oscillation, and a rotatable member including two series of spaced projections on one of its faces, those of one series alternating in position with those of the other, and lying adjacent to the side of the member having the extended portions, the paths of the series of projections lying at opposite sides of the axis of the last named member, the projections of each series of projections adapted to engage in alternate manner the extended portions of the said last named member for imparting an oscillating movement thereto, and means constantly tending to rotate the rotatable member.

8. In combination with mechanism to be oscillated including an extended part, a member adapted to oscillate and having engagement with said part and carrying an extended portion on one of its faces at each side of its axis of oscillation, and a rotatable member including two series of spaced projections on one of its faces, those of one series alternating in position with those of the other, and lying adjacent to the side of the member having the extended portions, the paths of the series of projections lying at opposite sides of the axis of the last named member, the projections of each series of projections adapted to engage in alternate manner the extended port-ions of the said last named member for imparting an oscillating movement thereto, means constantly tending to rotate the rotatable member, and an escapement mechanism engaging the latter and adapted to permit the rotation thereof at will, and means constantly tending to rotate the said rotatable member.

9. In combination with mechanism to be oscillated including an extended part, a member adapted to oscillate and having engagement with said part and carrying an extended portion on one of its faces at each side of its axis of oscillation, and a rotatable member including two series of spaced projections on one of its faces, those of one series alternating in position with those of the other, and lying adjacent to the side of the member having the extended portions,

the paths of the series of projections lying at opposite sides of the axis of the last named member, the projections of each series of projections adapted to engage in alternate manner the extended portions of the said last named member for imparting an oscillating movement thereto, means constantly tending to rotate the rotatable member, and an electrically controlled escapemen't mechanism engaging the latter and adapted to permit the rotation thereof at will, and means constantly tending to rotate the said rotatable member.

10. In combination with a part to be oscillated and limited in its extent of opposite directions of movement, and including an extension at opposite sides of its axis of oscillation, a rotatable member including two series of extensions lying in position to engage the extensions of the part, said two series being spaced from one another each in a separate line, one lying at each side of the said axis of oscillation of the described part, the extensions of each series being spaced from one another, that of one series lying opposite a space between two extensions of the other series, and means constantly tending to rotate said rotatable member.

11. In combination with a part to be oscillated and limited in its extent of opposite directions of movement, and including an extension at opposite sides of its axis of oscillation, a rotatable member including two series of extensions lying in position to engage the extensions of the part, said two series being spaced from one another each in a separate line, one lying at each side of the said axis of oscillation of the described part, the extensions of each series being spaced from one another, that of one series lying opposite a space between two extensions of the other series, means constantly tending to rotate said rotatable member, and

mechanism for preventing rotation of the rotatable member and for liberating the latter at the will of the operator.

In testimony whereof I aflix my signature, in presence of two witnesses.

GEORGE E. BAIRD. WVitnesses:

L. M. THURLOW, L. O. EAGLETON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, I). C.

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