US770906A - Fly-brush for doors. - Google Patents

Description

' No; 770,906. PATENTED SEPT. 27, 1904.

H. H. HOYT. FLY BRUSH FOB. DOORS.

APPLIOATION FILED MAY 31. 1904.

N0 MODEL.

Unrran STATES A Patented September 27, 1904.

ATENT FFllCE.

FLY-BRUSH FOR moons.

SPECIFICATION forming part of Letters Patent No. 770,906, dated September 27, 1904. Application filed May 31, 1904. Serial No. 210,621. (No model.)

To It, whom, 712? puny concern.-

Be it known that I, HIRAM H. HOYT, a citizen of-the United States, residing at Clearwater, in the county of Antelope and State of Nebraska, have invented certain new and useful Improvements in Fly Brushes for Doors; and I do declare the following to be a full, clear, and exact description of the invention, such as 'will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in fly-brushes for driving flies from screen-doors.

The object of my invention is to provide a device of this character which may be readily applied to a screen-door, so that when the said door is opened or closed the brushes will be agitated, thereby frightening away any flies which may be on the door.

A further object is to provide a device of this character which will be simple, eflicient, and inexpensive and well adapted for the purposes for which it is designed.

With these and other objects in view the invention consists of certain novel features of construction, combination, and arrangement of parts, as will be hereinafter more fully described, and particularly pointed out in the appended claims.

In the accompanying drawing is shown a side elevation of a screen-door having applied thereto the improved fly-brush.

Referring more particularly to the drawing, 1 represents a screen-door which maybe of the usual or any approved construction. On thefront or outer side of said door is journaled a vertically-disposed rod or shaft 2. Said shaft is pivotally connected to said door by means of screw-eyes 3, one of which is arranged in the upper cross-bar 4 of the door and the other in the intermediate cross-bar 5. On the upper end of said shaft 2 is fixed a pulley 6. To the door-frame adjacent to the top of said screen-door is secured one end of an operating-cord 7, said cord passing around the pulley 6 and from thence under a pulley 8, secured to said door-frame, and from said pulley the cord passes around a pulley 9, mounted on a stud-bolt 10, which projects from the door-frame or wall near the upper corner of said door. The cord 7 then passes back toward the inner or hinged side of the door across the top of said door-frame, where it passes over a guide-pulley 12, and from thence extends downwardly and is connected at its lower end to a weight 13. In the shaft 2 are formed oppositely-disposed cranks 1 1 and 15. To the said cranks 14 and 15 are respectively connected pitman-rods 16 and 17. Midway between the shaft 2 and the front edge of the door is arranged a vertically-disposed rod or shaft 18, the upper and lower ends of which are bent laterally at right angles to said rod, thereby forming crank-arms 19, the ends of said arms being bent upwardly and downwardly to form trunnions, which are adapted to engage screw-eyes 20, which are screwed into the upper and lower cross-bars of the door, as shown. The rod or shaft 18 is pivotally connected to the free end of the pitman-rod 16, so that upon movement of said pitman-rod the rod 18 will be oscillated in the bearings formed by the screw-eyes 20.

Between the rod or shaft 18 and the outer edge of the door is arranged a second v ertically-disposed rod .or shaft 21, the ends of which are bent laterally at right angles to form crank -arms 22, the ends of which are bent outwardly and engage screw-eyes 23, whereby said shaft 21 is pivotally connected to said door. The crank-arms 22 extend in an opposite direction to the crank-arms 19, which are on the ends of the shaft 18. Mid way between the ends of the shaft 21 the same is bent to form an offset portion 24. This construction is to prevent the shaft 21 from striking the hand of a person when opening the door. The shaft 21 is pivotally connected to the free end of the pitman-rod 17, whereby upon movement of the said pitrnan-rod the shaft 21 is oscillated in its bearings 23.

On the pulley 9 is eccentrically arranged a wrist-pin 25, to which is pivotally secured the upper end of a vertically-disposed rod 26, the lower end of which is offset and adapted to work through a guide-eye 27. To the wrist-pin 25 is also secured one end of a horizontally-disposed rod 28, the opposite end of which is slidably mounted in a guide-eye 29,

which is secured to the door-frame at thetop of the door. By this arrangement the rods 26 and 28 will be reciprocated in their respective guide-eyes as the pulley 9 is rotated. A

()n the rods or shafts 18 and 21 and rods 26 and 28 is adapted to be secured a fringe or brush, which when said shafts are oscillated or reciprocated will agitate said fringe or brush and thereby frighten away any flies which may be on or near the screen-door.

In operation as the door is opened the cord 7 will be pulled, thereby raising the weight 13 and rotating the pulley 6 and shaft 2 on which the same is mounted, causing the cranks 14 and 15 to actuate the pitman-rods 16 and 17, thereby oscillating the fringed rods 18 and 21. The rod 18 is formed with an offset portion 18 to prevent said shaft 18 from interfering with the movement of the pitmanrod 17. As the cord? is drawn over the pulley 9 by the opening of said door said pulley will be revolved, thereby causing the eccentrically-arranged wrist-pin 25 to reciprocate the rods 26 and 28, thus agitating the fringeor brush secured to said rods.

It will be observed that the weight 13 on the end of the cord 7 serves a double function, one office of said weight beingto create a tension for said cord and the other office being to close the screen-door after the same has been opened. I

From the foregoing description, taken in connection with the accompanying drawing, the construction and operation of the invention will be readily understood without requiring a more extended explanation.

Various changes in the form, proportion, and the minor details of construction may be resorted to without departing from the principle or sacrificing any of the advantages of this invention.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

l. A fly-brush for doors consisting of a main drive-shaft, means actuated by the opening or closing of said door to rotate saidshaft, cranks formed on the same, cranked rods or shafts pivotally mounted on said door, pitman-rods connecting said cranked rods or shafts with the cranks on said drive-shaft whereby the former are oscillated, and fringes or brushes secured to said cranked shafts or rods, substantially as described.

2. A flybrush for doors consisting of a main drive-shaft journaled ,on said door, a pulley secured to the upper end of said shaft, an operating-cord secured to the frame or jamb of the door and adapted to pass around said pulley and through guide-pulleys on said frame, whereby upon opening said door said cord will rotate the pulley and the drive-shaft, vertically-disposed rods or shafts having laterally-bent ends forming crank-arms which are pivotally connected to said door to project in opposite directions, means whereby said cranked rods are oscillated by the rotation of said drive-shaft, and fringes or brushes secured to said rods,substantially as described.

3. A flybrush for doors, consisting of a main drive-shaft journaled on said door, a pulley secured to the upper end of said shaft, an operating-cord secured to the frame or jamb of the door and adapted to pass around said pulley and through guide-pulleys on said frame, whereby upon opening said door said cord will rotate the pulley and the drive-shaft, a weight secured to the end of said cord to close said door to keep said cord stretched, vertically disposed cranked rods pivotally mounted to said door, cranks formed in said drive shaft, pitman rods connecting said cranks with said cranked rods whereby upon the rotation of said drive-shaft said cranked rods are oscillated, an offset portion formed in said vertical rods and fringes or brushes secured to said cranked rods, substantially as described.

4. A fly-brush for doors consisting of a main drive-shaft journaled on said door, a pulley secured to the upper end of said shaft, an operating-cord secured to the frame or jamb of the door and adapted to passaround said pulley and through guide-pulleys on said frame, whereby upon opening said door said cord will rotate the pulley and the drive-shaft, a weight secured to the end of said cord, vertically-disposed cranked rods pivotally mounted on said door, means actuated by said driveshaft to oscillate said rods, a vertically-disposed rod slidingl y mounted on the door frame or jamb adjacent to the outer edge of the door, a horizontally disposed bar slidably mounted on the door frame or jamb above said door, a wrist-pin eccentrically arranged on one of said guide-pulleys to which one end of the said rods are connected,whereby-upon the rotation of said guide-pulley said rods will be reciprocated, and fringes or brushes secured to said reciprocating and oscillating rods, substantially as described.

In testimony whereof I have hereunto set my hand in presence of two subscribing wit' nesses.

HIRAM H. HOYT.

Witnesses:

OLIVER HoY'r, F. M. MoKAMnY.

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