US1931292A - Windmill pullout - Google Patents

Description

E. J. KNAPP WINDMILL PULLOUT Oct. 17; 1933.

Filed Sept. 29, 1932 Patented Oct. 17, i933 I r r f I p UNITED STATES PATENT O F CE" WINDMILL PULLOUT Edelbert J ohn Knapp, Norton, Kans.

Application September 29, 1932 Serial No. 635,410

2 Claims. (Cl. 170-46) My invention relates to windmill pullouts, its trol is positioned in the lower portion of the tower object being the provision of a pullout which is so that it will be accessible at all times to the user free from the defects found in similar pullouts f the windmill without necessitating his climbnow in use on windmills which are on the market. ing to the top of the tower. The control is known 5 An important object of the invention is the as a pullout and the art discloses-numerous vari- 6o.

provision of a pullout which is entirely exposed ations. It is my object to not only simplify the on the outer side of the mast so that all parts of pullout but to make it more reliable in action and the pullout are readily accessible. to make it more readily accessible for repairs.

Another object of the invention is the provi- The windmill head is swiveled about a vertical 10 sion of anovel swivel construction in the windmill axis on a tower which usually consists of four 65. pullout for preventing injury to parts of the pullposts 15, the tower having a casting 16 for holdout mechanism. ing the posts together at their upper extrem- Another object of the invention is the provision ities and for supporting the head 11 with the of a mast which is provided with a groove on its working parts of the windmill. The mast pipe is outer side for serving as a runway for the pullout 17 is rigid with the head 11 and it depends there- 70; chain without interfering with the turning of the from. It consists of an upper and a lower part windmill head on its vertical axis in the tower. joined together, the upper part receiving the loW- Another of my objects is the provision of a coler part in telescoping relation and providing a lar surrounding the mast of the windmill and shoulder which rests on the casting 16. The mast 29 having a loose connection to permit the free ropipe is provided atits lower end with a guide in 75 tation of the mast pipe therein, the rotation of the form of a spider 18 which is secured to all the collar being limited so as to prevent kinking four of the tower posts 15. The spider 18 preor twisting of the pullout wire. vents the rocking of the mast pipe 17.

Having in view these objects and others which The pullout chain 19 is secured to the vane will be pointed out in the following description, frame 13 and it then passes around a pulley 20 so I Will nOW refer to t e d aw i which and then another pulley 21, terminating in an ure 1 i a v w n l va ion showing th S-link 22 which is connected to an L-shaped link upp part f a w nd ll w r and a portion 23, the L-shaped link 23 being in turn secured to of the windmill head and S W particularly, a collar 24 surrounding the mast pipe 1'7. The

3 my novel form of pullout. collar 24 is free to slide up anddown on the mast 35.

Figure 2 is a v w in p p ve f a portion pipe 17 but it is prevented from freely rotating of the pullout mechanism in its relation to the th reon, The mast pipe is providedthroughout mast, the view being d aw '6 9J r dscale. the major portion of its length with a groove 25 The windmill st u tu its i f common nwhich is formed in its outer wall. The groove 25 struction asfound in many windmills. The hood is deep enough to seat the chain 19 so that the 9p l0 encloses with the head 11 the working parts m t pipe 1'7 1 free to rotate in the casting 16 of the windmill. The wheel shaft 12 projects out without interfering with the chain 19. i throu h e h d 1 d it s d i D- Surrounding the collar 24 are two clamping porting the Wind Wheel. The Vane frame 13 is members26 which loosely engage the collar 24.

40 journaled the Windmill head 11, its axis being The clamp 26 is free to rotate about the collar ow a The frame 13 Supports the V 24 and it serves as a supportfor the elongated the position of which determines whether the U-shaped link 2'7, The clamp 26 is provided with wind wheel shall be in or out of the wind. The a ar 28 which is sufficiently long to pass beshaft 12 and th fr m 13 r po ion d n li ntween two of the posts of the tower. This is done 45 ent 01" substantially so when the wind wheel is in order to limit the rotation of the clamp 26 due in th wind n these w parts are p p ndicuto its friction with the collar 24. The rotation lar to each other when the wind wheel is out of f th clamp 26 is thus limited to the arc deterthe wind. As thus far described the details are mined by the distance between two posts of the found in numerous windmills and they are of to r, The device is completed by attaching a 50 such common knowledge that further description wire 29 to the lower loop of the link 2'7 and then is believed o be unnecessaryfastening the wire at its lower extremity to the The action of the Windmill is Stopped y u npullout lever found at the lower portion of every ing the vane frame 13 on its axis 14 until the windmill tower. I

' frame 13 assumes a position substantially at right Having thus described my invention in such 55 angles to the shaft 12. For convenience the con-' full, clear, and exact terms that its construction said pulley and secured at its extremities to said" vane frame and to said collar respectively, said flexible member being seated in the groove in said mast, and means for sliding said collar on said mast, said collar being held against rotation on said tubular mast by said flexible member.

'ZJA windmill including a tower and a head, a 1

tubular mast depending from said head and journaledin said tower, said mast being provided with a vertical groove on the outer side thereof, a slidable member seated within the groove of said mast and passing through the bearing of said mast in said tower, a collar slidably secured to said mast about the lower portion thereof, said slidable member: being secured to the under side of said collar, meansfor limiting the rotation of 7 said collar about said mast, for preventing the twisting of said slidable member, a U-shaped member depending from said collar, and a manu--v ally operable pullout wire depending from said U-shaped member.

EDELBERT JOHN KNAPP.

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