US978775A

US978775A - Starting and stopping mechanism.

Info

Publication number: US978775A
Application number: US50979409A
Authority: US
Inventors: John H Michener
Original assignee: MICHENER STOWAGE Co
Current assignee: MICHENER STOWAGE Co
Priority date: 1909-07-27
Filing date: 1909-07-27
Publication date: 1910-12-13
Anticipated expiration: 1927-12-13

Description

Patented Dec. 13,1910.

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J. H. MIGHENER, JR. STARTING AND STOPPING MECHANISM.

APPLICATION IILED JULY 27, 1909.

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STARTING AND STOPPING MECHANISM.

APPLICATION TILED JULY 27, 1909.

978,775. v Patented Dec. 13,1910.

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N. Y., ASSIGNOB, TO MICHENER STOWAGE A CORPORATION OF NEW YORK.

STARTING AND STOPPINGMECHANISM.

To all whom "it may concern.-

Be it known that 1, JOHN H. MIOHENER, J12, a citizen of the United States, and a resident of New York, in the county of New York and State of New York, have invented certain new and useful Improvements in Starting and Stopping Mechanism, of which the following is a specification.

This invention relates to starting and stopping mechanism.

In its illustrated embodiment it is particularly adapted for use in connection with trimming mechanism.

It is in the nature of improvements on the invention set forth in my allowed application for Letters Patent of the United States filed Aug. 31, 1908, Serial Number 451,064 for improvements in trimming mechanism.

. Theobject of thepresent invent-ion is to 7 provide means, first, for automatically starting one section of the distributing mechanism from a contiguous section already in operation, when that portion of the bunker in which. said operating section is located is filled with coal up to the point of location of the starting trip lever; second, for automatically stopping the automatically started section when that portion of the bunker in which it is located is filled with coal upto the point of location of the stop tripping lever. With these ends in view my improved mechanism comprises devices and combinations illustrated in the accompanying drawings wherein V Figure 1 is a plan view of a portion of two runs of endless chain with operating and stop and starting mechanism therefor.

Fig. 2 is a side elevation corresponding with Fig. 1 Fig. 3 is a plan view of a modification of one feature of my improvements. Figs. 4, 6, and 8 are front elevations of a portion of my improvements illustrating successive steps in the operation. Figs. 5, 7

and 9 are side elevations corresponding with Figs. 4, 6 and 8 respectively.

Referring now more in detail to Figs. 1 and 2, one or more vertical shafts as 4 are supported for rotation in bearings as 6, fixed in deck 2 and projecting upwardly and downwardly therefrom. Said shafts have fixed to their lower

ends sprocket wheels

3, 5 on which are supported endless chains 7, 8 all respectively. Said chains are provided Specification of Letters Patent.

Application filed July 27, 1909.

Patented Dec. 13, 1910.

Serial No. 509,794.

- with the usual blades as 9 on chain 8. The upper ends of the sprocket shafts, as 4, have

bevel gears

10, 11 fixed thereto respectively.

On horizontal shaft 17 suitably supported from deck 2 and above shaft 4 in bearings as 14, is fixed bevel gear 13 meshing with bevel gear 11. Turning freely on said shaft 17 and meshing with bevel gear 10 is bevel gear 12. Said gear 12 has pin 15 projecting therefrom for engagement with slot 16 in clutch member 18 slidably mounted on shaft 17. Said clutch member 18 is caused to rotate with shaft 17 by means of key 19 in coengagement with said clutch member and shaft.

Gears 12, 13 are shown so located relative to

gears

10,11 that contiguous runs of chains 7, 8 will travel in the same direction, as indicated by their respective arrows. End- ,wise movement of shaft 17 is prevented by

collars

20, 21 pinned thereto and in engage- .ment with opposite faces of bearing 14. Power may be communicated to-shaft 17 by any suitable means not shown.

Located contiguous to and parallel with shaft 17 is slidable rod 22 in

bearings

23 and 24 upstanding from deck 2. Clutch operating arm 25 is pinned to said shaft and has its forked end 26 in engagement with groove 27 in clutch member 18. Thus endwise movement of rod 22 toward boX'23 will throw slot 16 of clutch member 18 into engagement with pin 15 of gear 12 causing said gear to be driven by shaft 17 and, subsequently endwise movement of rod 22 in the other direction will throw the clutch out of engagement and leave gear 12 at rest.

The means which I have provided for moving rod 22 endwise .for throwing the clutch in and out of engagement are as follows: For limiting the endwise movement of said rod 22 collar 28 is pinned thereto for engagement with boX 23 and collar 29 is pinned thereto for engagement with box 24. At the outer end of rod 22 collar 30 is pinned thereto. On the outboard end of said rod between collar 30 and box 24 are two sliding

collars

31, 32 with compression spring 33 therbetween. Pivoted at 34 in bracket 35 on deck 2 is lever 36 the upper arm of which is provided for engagement with collar 30 to hold rod 22 in its rearward position (Figs. 4, 5) with the clutch out of engagement. The'lower arm of said lever 36 is connected by link 37 to tripping mechanism to be hereinafter described. At 38 in bracket 39 on deck 2 is pivoted another lever 40 similar to lever 36. The upper end of said lever 40 is provided for en gagement with sliding collar 32 and the lower end thereof is connected by link 41 to tripping mechanism to be hereinafter described. Lever 42 is pivotally mounted on post 43 outstanding from bracket 44 of bearing 24. Post 43 is parallel to rod 22 and lever 42 is slidable on said post. Rod

22 has notch 45 therein for engagement with' lever 42. The function of said lever is to furnish temporary abutment, through collar 31. for one end of spring 33.

For operating lever 42 the following means are provided: Lever 40 is fixed to one end of pivot shaft 38 and on the other end thereof is fixed bent lever 46 having its upper arm 460 extending horizontally for engagement with lower end of lever 42.

Referring now more particularly to Figs. 1 and 2 link 37 has its rearward end pivot ally connected to one arm of lever 47 pivoted at 48 under deck 2. The other arm of said lever reaches over one run of chain 8 and into the path of trip pin 49 of said chain when said pin is in its upper or operative position. Said pin 49 is slidably mounted in said chain and is urged to its lower or inoperative position by spring 50 between fixed collar 51 on said pin and chain 8. Pivotally mounted at 52 on said chain and slightly in advance of pin 49 is bell crank arm 53. The horizontal arm thereof is in operative engagement with pin 49 between fixed

collars

51, 54 thereon. The vertical arm of bell crank terminates in blade 55 for engagement with the coal. Chain 7 is provided with pin and bell crank arm 57 in all respects similar to pin 49 and arm of chain 8 just described. Also link 41 is attached to lever 59 pivoted at 60 all similar respectively to lever 47 and so forth of link 37.

The operation of my improved mechanism is as follows: The mechanism being in a state of rest with the parts in the relative positions illustrated in Figs. 1. 2. 4 and 5 shaft 17 is started revolving in the direction of its arrow; thereupon gear 13 thereon, in mesh with gear 11 on shaft 4 of sprocket 5 will drive chain 8 in the direction of arrow 80. Blade 9 on said chain will thereupoi'l scrape coal in its path. horizontally as shown at 90 Fig. 2. When said blade has carried said coal horizontally beyond a point below lever 47 blade 55 of bell crank lever 53 will drag through the accumulated coal and said lever will push upwardly pin 49 into the path of lever 47 and the upper end of said pin will engage the projecting end of said lever 47 and push it to the dotted position of Fig. 1. Link 37 thereupon swings lever as into the position of Figs. 6 and 7. The withdrawal of lever 36 from engagement with collar 30 of rod 22 allows spring 33, abutting against collar 32 and lever 40, to move rod 22, through collar 31 and lever 42, slidably mounted on post 43 and locked into notch 45 in said rod 22, endwise to the left, Fig. 6. This throws clutch member 18 into engagement with pin 15 of gear 12 thereby starting said gear in rotation. Said gear, in its turn, through gear 10 on the shaft of sprocket 3 starts said sprocket in rotation and chain 7 thereon moving in the direction of arrow 70.

Referring now to Fig. 3, I have therein illustrated means for postponing the tripping of lever 470 by pin 49 for two or more circuits of said pin on chain 8. I change lever 47 from one of the first class to one of the second class as shown at 470 Fig. 3 and interpose between the free end of said lever and pin 49 a star wheel (301 pivoted at 61 and having any desired number of arms, in the present case four are shown. Said star wheel has a projection 62 on one of its arms, for engagement with lever 470. The parts illustrated in Fig. 3 are shown at the moment of tripping with pin 49 against arm 600 of star wheel 601 and projection (32 against the free end of lever 470.

Returning to the description of the operation of the means for stopping chain 7, blade 71 now scrapes forward the coal 72 in its path until the forward end of said pile has passed a point below lever 59. Thereupon blade 58 of lever 57 drags through said pile pushing upwardly pin 56 into position for engagement with lever 59 all similar in operation to that described in connection with chain 8 and lever 47. Lever 59 is thereupon swung on its pivot (30 and link 41 pulls lever 40 from behind collar on rod 22 allowing said collar to be forced, by spring 33, toward the right hand (Fig. 8,) against colla" 30. At the same time lever 46, fixed to shaft 38 of lever 40, by its upper arm 460 forces lever 42 out of engagement with notch 45 thereby permitting spring to force lever 42 through collar 31 against bearing 24. it fixed abutment for the left hand end (Fig. 8) of spring 33 is thereby furnished. and rod 22 is free for movement toward the right hand by means of said spring acting between said abutment and sliding collar 32 against fixed collar 30 on rod .There upon said movement of rod 22 to the right takes place (Fig. 8) and clutch member 18 is withdrawn from engagement with pin 15 of gear 12. Said gear thereupon comes to rest and chain 7 is stopped. The starting and stopping mechanism is now ready to be reset to the position of Figs. 1, 2, 4 and 5 and the operation repeated.

I claim:

1. The combination of two chains, driving means theretor, means for engaging and q mitting movement of said slidable member means for disengaging the driving means relative to the second chain, means carried by the first chain for liberating said engaging means and means carried by said second chain for liberating said disengaging means.

2. The combination of two chains supported on revolubly mounted sprockets, driving means for a sprocket of each chain, a clutch for connecting the driving means with the driving sprocket of the second chain, means for actuating said clutch, means carried by the first chain for causing the clutch actuating means to throw said clutch into engagement and means carried by the second chain for causing the clutch actuating means to throw said clutch out of engagement.

3. The combination of two chains, means for driving the first chain, means for driving the second chain, means for successively throwing into and out of operation the driving means for the second chain, means carried by the first chain for liberating the means for throwing into operation the driving means for the second chain and means carried by the second chain for liberating the means for throwing out of operation the driving means for said second chain.

a. The combination of two chains, means for driving the first chain, means for driving the second chain, a slidable member for engaging and disengaging the driving means for the second chain, means carried by the first chain for liberating the engaging means and means carried by the second chain for liberating the disengaging means.

5. The combination of two chains supported on revolubly mounted sprockets, driving means for a sprocket of each chain, a clutch for connecting the driving means with the driving sprocket of the second chain, a slidable member for actuating said clutch, means for moving said slidable member in either direction, means carried by the first chain for causing the slidable member to move in one direction and means carried by the other chain for subsequently causing the slidable member to move in the opposite direction.

6. The combination of two chains supported on revolubly mounted sprockets, driving means for a sprocket of each chain, a clutch'for connecting the driving means with the driving sprocketof the second chain, a

' slidable member for actuating said clutch,

means for urging said slidable member in either direction, means for holding said slidable member against endwise movement, means carried by one chain for releasing said holding means for permitting movement of said slidable member in one direction and means carried by the other chain for releasing said holding means for perin the opposite direction.

7. The combination of two conveyer chains each having blades thereon, means for driving the first chain, means for driving the second chain, means governed by the accumulation of coal in the path of the blades of the first chain for throwing into operation the driving means for the second chain, and means governed by the accumulation of coal in the path ofthe blades of the second chain for throwing out of operation the driving means for the second chain.

8. The combination of a chain supported on revolubly mounted sprockets, driving means for one of the sprockets, a pin slidably mounted in said chain, a rotatable member having a plurality of arms for successive engagement with the slidable pin, means for sliding said pin into engageable relation with the rotatable member, a tripping member on the rotatable member and a lever for engagement with said tripping member.

9. The combination of two chains, means for driving the first chain, means for driving the second chain, means for engaging the driving means for the second chain, a rotatable member having a plurality of arms and mounted on a fixed axis contiguous to the first chain, a pin on the first chain for successive engagement with the arms of the rotatable member, a tripping member on one of said arms, and means for actuating the engaging means from the tripping member.

.10. The combination of two chains sup ported on revolubly mounted sprockets, driving means for each chain, a pin slidably mounted in each chain, means for sliding each pin, starting and stopping means for the second chain, means for engagement with the slidable pin of the first chain for releasing said starting means and means for engagement with the slidable pin of the second chain for releasing the stopping means.

11. The combination of two chains supported on revoluble sprockets, driving means for each chain, a slidable member, means for actuating said slidable member to start and stop the second chain, a slidable pin mounted in each chain, means for engagement with the slidable pin of the first chain for actuating the slidable member to start the second chain and means for engagement with the slidable pin of the second chain for actuating the slidable member to stop said second chain.

Signed this 23rd day of July 1909 at New York, N. Y. before two subscribing witnesses.

JOHN H. MIGHENER, JR.

lVitnesses :Y

J. SPENCER SMITH, WILLIAM Kor'rEY.