US349855A - Peter mure ay - Google Patents

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US349855A
US349855A US349855DA US349855A US 349855 A US349855 A US 349855A US 349855D A US349855D A US 349855DA US 349855 A US349855 A US 349855A
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fan
shaft
peter
rotary
mure
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D35/00—Transmitting power from power plant to propellers or rotors; Arrangements of transmissions

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  • This invention relates to an improved rotary fanshaft of that class which is suspended from the ceiling and adapted for agitating the IQ airin stores, counting-rooms, restaurants, 800.; and the invention consists of the combination of a rotary fanshaft supported in bearings, a hanger-frame suspended from the ceiling, a driving-shaft, a friction-gear for transmitting rotary motion from the driving-shaft to the fan-shaft, a fan attached to the lower end of the fan-shaft, a sleeve keyed to the fan-shaft above the lower bearings of the same, aspiral balancing-spri ng i nterposed between said bearing and the sleeve, and means for raising or lowering the fan-shaft and throwing its friction-gear in or out of mesh, so as to rotate or stop the fan.
  • Figure l represents a side elevation of my improved rotary fan-shaft; and Fig. 2 is a detail vertical section of a portion of the same, drawn on a larger scale.
  • A represents a 3 supporting hanger-frame, which is suspended from the ceiling in any suitable manner, and provided with bearings I) I) and a rotary fanshaft B.
  • To the lower end of the rotary fanshaft B is attached the fan 0.
  • To the upper end of the fan-shaft B is applied a friction-disk, I), which meshes with the frictiondisk I), keyed to the driving-shaft D,which is suspended in suitable hangers (not shown in the drawings) from the ceiling, and in a tubu- 0 lar bearing, D, pivoted to lugs of one of the legs of the hanger-frame A, as shownin Fig. 1.
  • the weight of the fan-shaft B and fan 0 is supported by a spiral spring, 6, which rests on a loose collar, 6, supported on the lower 5 bearing, 1), of the hanger-frame A, said spring being inclosed by a sleeve, 6, that is attached by a set-screw, 6 to the fan-shaft B, as shown in Fig. 2.
  • a collar, f is screwed or otherwise applied to the hanger-frame A below the lower bearing, b, and provided with a recess, f, which recess is engaged by a fixed pin, f on the fan-shaft.
  • Thetan-shaft is taken hold of by a button, 9, below the hub of the fan 0, when it is desired to stop the fan, and pulled downward against the tension of the spring 6 until the pin f clears the recess of the collar fand abuts against the lower edge of the collar.
  • the friction-disk b is separated from the frictiondisk If on the drivingshaft I), so that the transmission of motion from the drivingshaft to the fan-shalt is interrupted.
  • the button 9 istaken hold of and the fan shai't B turned until the pin f enters the recessf of the collarf by c the liftingaction oi' the spring 6, which also raises the fan-shaft B and its friction-disk d, and causes the meshing oi the latter with the friction-disk (I of the driving-shaft, whereby rotary motion is imparted to the i'anshatt and fan.

Description

(No Model.)
P. MURRAY, Jr.
ROTARY FAN.
No. 349,855. Patented Sept. 28, 1886.
ATTORNEYS.
WWI/E8858:
UNITED STATES PATENT OFFICEO PETER MURRAY, JR, OF NEYVARK, NEV JERSEY, ASSIGNOR TO THE BAOKUS MANUFACTURING COMPANY, OF SAME PLACE.
ROTARY FAN.
SPECIFICATION forming part of Letters Patent No. 349,855, dated September 28, 1886.
Application filed May 12, 1886. Serial No. 201,931. (No model.)
To all whom it may concern:
Be it known that 1, PETER Il/IURRAY, J r., of Newark, in the county of Essex and State of New Jersey, have invented certain new and useful Improvements in Rotary Fans, of
which the following is a specification.
This invention relates to an improved rotary fanshaft of that class which is suspended from the ceiling and adapted for agitating the IQ airin stores, counting-rooms, restaurants, 800.; and the invention consists of the combination of a rotary fanshaft supported in bearings, a hanger-frame suspended from the ceiling, a driving-shaft, a friction-gear for transmitting rotary motion from the driving-shaft to the fan-shaft, a fan attached to the lower end of the fan-shaft, a sleeve keyed to the fan-shaft above the lower bearings of the same, aspiral balancing-spri ng i nterposed between said bearing and the sleeve, and means for raising or lowering the fan-shaft and throwing its friction-gear in or out of mesh, so as to rotate or stop the fan.
In the accompanying drawings, Figure l represents a side elevation of my improved rotary fan-shaft; and Fig. 2 is a detail vertical section of a portion of the same, drawn on a larger scale.
Referring to the drawings, A represents a 3 supporting hanger-frame, which is suspended from the ceiling in any suitable manner, and provided with bearings I) I) and a rotary fanshaft B. To the lower end of the rotary fanshaft B is attached the fan 0. To the upper end of the fan-shaft B is applied a friction-disk, I), which meshes with the frictiondisk I), keyed to the driving-shaft D,which is suspended in suitable hangers (not shown in the drawings) from the ceiling, and in a tubu- 0 lar bearing, D, pivoted to lugs of one of the legs of the hanger-frame A, as shownin Fig. 1. The weight of the fan-shaft B and fan 0 is supported by a spiral spring, 6, which rests on a loose collar, 6, supported on the lower 5 bearing, 1), of the hanger-frame A, said spring being inclosed by a sleeve, 6, that is attached by a set-screw, 6 to the fan-shaft B, as shown in Fig. 2. A collar, f, is screwed or otherwise applied to the hanger-frame A below the lower bearing, b, and provided with a recess, f, which recess is engaged by a fixed pin, f on the fan-shaft. Thetan-shaft is taken hold of by a button, 9, below the hub of the fan 0, when it is desired to stop the fan, and pulled downward against the tension of the spring 6 until the pin f clears the recess of the collar fand abuts against the lower edge of the collar. In this position of the fan-shaft 13, the friction-disk b is separated from the frictiondisk If on the drivingshaft I), so that the transmission of motion from the drivingshaft to the fan-shalt is interrupted.
For rotating the fan 0, the button 9 istaken hold of and the fan shai't B turned until the pin f enters the recessf of the collarf by c the liftingaction oi' the spring 6, which also raises the fan-shaft B and its friction-disk d, and causes the meshing oi the latter with the friction-disk (I of the driving-shaft, whereby rotary motion is imparted to the i'anshatt and fan.
Havingthus described my invention, Iclaim as new and desire to secure by Letters Pat ent- The combination of a supporting hangerframe, al'an-shatt supported in bearings of said frame, a fan attached to the lower end of the fan-shaft, a drivingshal't, a friction-gear transmitting motion from the driving-shalt to the fan-shaft, a spiral spring resting on a col- 8o lar oi' the hangerl'rame, a sleeve attached to the fanshai't and inelosing said spiral spring, a recessed collar attached to the hanger-i'rame, and a pin on thefanshal't which engages or disengages the recessed collar when raising or lowering the tan-shaft, so as to throw the fan in or out of motion, substantially as set forth.
In testimony that I claim the foregoing as my invention 1 have signed my name in presence of two subscribing witnesses.
PETER MURRAY, JR. \Vitnesses:
MARTIN PETRY, SIDNEY IlIANN.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5281103A (en) * 1991-09-30 1994-01-25 Lin Yung Her Mini table fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5281103A (en) * 1991-09-30 1994-01-25 Lin Yung Her Mini table fan

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