US266281A - Windmill - Google Patents

Description

(N0 Model G. GARSIDE.

WINDMILL.

Patefited Oct 24, 1882.

IIIIIIIIIIIIIIIIIIJIII K m W m I UNTTEE STATES PATENT EEtcE.

GEORGE GAESIDE, OF KALAMAZOO, MICHIGAN.

WlNDlVllLL.

SPECIFICATION forming part of Letters Patent No. 266,281, dated October 24, 1882. Application filed August 19,1882. (No model.)

To all whom it may concern: of gear, and forms stop for the vane and wheel Be it known that I, GEORGE GARSIDE, a when in that position. subject of Canada, residing at Kalamazoo, in The dotted lines in Fig. 2 give the position the county of Kalamazoo and State of Michiof the vane when partially pulled out of the gan, have invented anew and useful Vindaction of the wind by the operating-chain c, mill, of which the following is a specification. passing down through mill-head R and reach- My invention relates to windmills having a ing to the ground in the usual manner, as in hinged vane swinging radially and rising verother windmills; or the same position of the tically on its hingiug-pin. vane E in dotted lines, Fig. 2, will be shown [0 The improvements simplifying the construcwhen the action of the wind causesthe milltion and operation of the vane I attain by the head R to turn on the derrick'cap D. mechanism illustrated in the accompanying Figs. 1 and 2 show the position of vane E drawings, in which-- when the windmill is in its normal position to Figure 1 is a side view of mill-head with receive the wind on the face of the wheel, as

[ hinge and portion of vane. Fig. 2 is a top usual in windmills of this class. view of same. Fig. 3 is a portion of rear View, The mechanism as employed for operating with vane-hinge in position shown in dotted the vane E in this mill needs no covering, as lines in Fig. 2. there are no parts liable to become clogged Similar letters refer to similar parts throughwith ice or snow. As will also be seen, there 20 out the several views. are few points producing friction, in conse- The derrick-cap 1) supports the mill head quence of the manner of hanging and balancor body R, having an extended arm or bracking the vane, and fewer parts to wear, comet, F, cast integrallywith said mill-head, upon paratively, as when friction-rollers and other which is secured by bolts an arm, 1), rising devices are used to raise the vane. Support- 25 and extending over bracket F,withahinginging-rods may also be used instead of the pin, P,passing through central eye in bracket chains 0 c.

To enable the millto govern itself when the F and arm D, securely bracing them together.

wind increases to such velocity as it may be desired that the mill shall turn out of the line Upon the hinging-pin Pisa loose-fitting hinge, 15, having recesses or pockets to receive vane- 0 stem S and weight-arm (4, upon which is seof action, then the mill-head R,turning on the So cured a weight, '0, said weight being of sut'fiderrick-cap D, brings the edge of the wheel to the wind, thereby producing a twisting action on the chains 0 c, and at the same time raising cient gravity to counterbalance the entire weight of vane E from the center of the hinge 13. Upon the arm 1) are two projecting eyes, the combined weight of the vane E and weight 1;, as shown in Fig. 3. When the wind subsides again the weight of the balanced vane will 3 5 f f, through which pass two eyebolts, m an, to

cause the wind-wheel to face the wind in its normal position for working, as shown in Figs.

which are secured two chains, 0 0, which are also secured at the lower end to bolts t t, passing through holes in flanges a" r on either side of hinge B, on upper side of pockets, in which 1 and 2.

o adjust the mill to turn out of the wind at a less wind-pressure, the chains 0 c, secured at the lower end to bolts tt, maybe changedinto 4.0 are secured vane-stem S and weight-arm a.

holes in flanges r r, nearer to the center of the A is the journal-box cap, covering and hold;

hinge 13, thereby producing less resistance in ing the crank-shaft in its bearings. Upon the the twisting action of the chains 0 0, or the op- 5 shaft is fastened the wheel-hub or spider a. The arm a, Fig. 2, is provided with a sheaveposite to produce a greater resistance, the sevwheel at its outer extremity, for the operatingchain e to pass over, then fastened to arm 6' on vane-hinge casting B.

2', Fig. 2, is the bumper-arm, also secured to vane-hinge casting B. This arm 2 comes so in contact with bumper 2 when the mill is out eral holes in flanges r 7' giving various points of adjustment. As the chains 0 c in their twisting action come nearer toahorizontal position, as shown in Fig. 3, the resistance becomes greateras thehingeB rises, thereby pro-- ducing a twisting and increasing resistance on ducingthc varying resistance so desirableand its suspemling-chains, as described and set; necessary in windmills. forth.

Having thus described inyinventiomwhat I 3. A windmill having a hinged balanced r5 5 claim is vane suspended by chains, for the purpose 1. A. windmill having a hinged vane susspecified and set forth. pended and balanced with various points to w 1 adjust suspending device to increase or de- GDOLGD (IAL'SIDP' crease the pressure at which the mill shall Witnesses:

[0 turn out of the Wind, as specified and shown. L. W. SLAUGHTER,

2. A windmill having a hinged vane pro- 1 JOHN (J. PERKINS.

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