US699774A

US699774A - Machine for the tangential application of reciprocating or other power for operating rotary machinery.

Info

Publication number: US699774A
Application number: US3553800A
Authority: US
Inventors: Mary Hellen Swift; Edward D Swift
Original assignee: Individual
Current assignee: Individual
Priority date: 1900-11-05
Filing date: 1900-11-05
Publication date: 1902-05-13
Anticipated expiration: 1919-05-13

Description

No.'699,774 Patented May l3, 1902..

E'. D. SWIFT, Decd.

M. H. SWIFT. Executrix. MACHINE FOR THE TANGERTIAL APPLICATION OF RECIPROCATING OR OTHER POWER FOR OPERATING ROTARY MACHINERY.

(Application filed Nov 6, 1900.)

(No Model.)

3 Sheets-Sheet l.

m: mmms Pzrzns co PHOTO-THO WASHINDTON. u. c.

No. 699,774. Patented May I3, 1902'.

E. D. SWIFT, Decd.

M. H. SWIFT, Executrix. MACHINE FOR THE TANGENTIAL APPLICATiON 0F BEGIPROCA'HNG OR OTHER POWER FOR OPERATING ROTARY MACHINERY. (No Model.) (Application med Nov 5, 1900') 3 Sheets-Sheet 2.

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n1: "cams Psrzns can PHOTQL'THO WASHINBYON. n. c.

Patented May l3, I902.

E. D. SWIFT Decd.

M. H. SWIFT. Exacutrix. MABHTNE FOR THE TANGEMTIAL APPLICATION OF REOIPBOCATING OR OTHER POWER FUR OPERATING ROTARY MACHINERY.

' (Application filed Nov. 5, 1900.)

3 Sheets-Sheet 3..

(No Model.)

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TINITE STATES 'ArnNr rrrcn.

MARY IIELLEN STVIFT, OF CHICAGO, ILLINOIS, EXECUTRIX OF EDWARD D. SWIFT, DECEASED.

MACHINE FOR THE TANGENTIAL APPLICATION OF RECIPROCATING OR OTHER POWER FOR OPERATING ROTARY MACHINERY.

SPECIFICATION forming part of Letters Patent No. 699,774, dated May 13, 1902. Application filed November 5, 1900. Serial Nor 35,538. (No model.)

T (6 whom it may concern.-

Beitknown that I, MARY HELLEN SWIFT, a citizen of the United States, residing at Chicage, in the State of Illinois, and exec utrix of the will of EDWARD D. SWIFT, deceased, who

was late a citizen of the United States, residing at Chicago, in the State of Illinois, do declare that said deceased invented a new and useful Machine for the Tangential Applica- [0 tion of Reciprocating Power for Operating Rotary Machinery, of which the following is a specification.

This invention relates to mechanism for converting a reciprocating motion into rotary, and is intended more especially for use in connection with a steam-engine or other motive power employing a reciprocating piston,

but is applicable to and can be used with other reciprocating means for transmitting power to produce rotary motion.

The objects of the invention are to obtain a positive tangential application of the power to perform a rotary driving; to dispense with the use of the ordinary crank and wrist-pin and other similar devices; to give an increase of leverage power; to prevent the waste of steam or other motive power, and consequently loss of power on that account, and to improve generally the construction and operation of the mechanism as a whole.

The invention consists in the novel features of construction and combination ofparts hereinafter described and claimed.

In the drawings, Figure 1 is a side elevation of the mechanism of the invention with the outer face-plate or side disk guard-ring for the wheels removed; Fig. 2, a plan view of the mechanism of the invention; Fig. 3, a

' longitudinal central sectional plan view of the mechanism; Fig. 4, a peripheral elevation of the drum; Fig. 5, a detail in sectional plan of the pair of acting wheels; Fig. 6, a sidewise perspective view of the mechanism with the outer face-plates or side disk guards 5 and rings removed; Fig. 7, a sidewise perspective view from the front of one of the acting or driving wheels with the face-plate removed, showing the lock and friction belt or band around the drum; Fig. 8, a sidewise perspective view from the opposite side of the wheel shown in Fig. '7.

The mechanism employs in its construction a pair of acting wheels A and A and a pair of idle or guide wheels B and B, with the wheels of each pair in juxtaposition and in close proximity to each other and located and operating in the same plane. All the wheels have cogs or lugs upon their circumferential rims or perimeters, and the wheels of each pair are of similar form and dimensions and, as shown, are arranged for the wheel A to be in line longitudinally with the wheel B and the wheel A to be in line longitudinally with the wheel-B. The Wheels A and A are mounted in close proximity or j uxtarelation each to the other on a cylindrical drum D, fixed to a shaft S so that the revolution of the Wheels A and A will continuously revolve the drum and impart rotation to the shaft for operating machinery. The wheels B and B are mounted in close proximity or juxtarelation each to the other on the axle S so as to be in line, re

spectively, with the wheels A and A. The shaft S and each end of the axle S are respectively supported by and adjusted in j ournals, boxes, or bearings secured to and resting upon a framework. An endless chain belt E, having cogs or sprocket-links runs over the wheels A and B, and alike endless chain beltE runs over the wheels A and B. Each chain belt is so constructed and adjusted that its cogs or sprocket-links will engage the perimeters and cogs or lugs of the wheels over which it runs, and when the chain belt is con structed on the plan of sprocket-chain the cogs or lugs of the wheels are so constructed as to engage the sprocket-links. One end of the arm orrod F is secured to the face of the chain belt E by a clasp or clamp g, andone end of an arm or rod F is secured to the face of the chain belt E by a clasp or clamp g, and the opposite end of each arm is secured toa crosshead on the piston-rod P of a reciprocating piston. On the inner face of one side of each wheel A and A a lock L L is located and so constructed and arranged as to operate a friction-belt II, which encircles the periphery of the drum D and constitutes apart of the lock,

and the two locks are arranged to stand in a reverse position to each other.

Each wheel A and B, as shown, is constructed of an outer and inner part or section, the outer part or section consisting of a cylindrical rim or body a and aface ring or plate S, and the inner part or section consisting of a cylindrical rim or body a, and a face ring or plate S, with the rim or body a of the part of section S of an interior diameter and width to receive the rim or body a of the part of section S, which is entered into the rim or body a when the parts are assembled to complete the wheel. The exterior face of the rim or body a has firmly secured thereto or formed therewith cogs or lugs O, as shown in Fig. 7,

. and the face ring or plate S has its edge extending beyond the exterior face of the rim or body a, so as to form an edge flange a as shown in Fig. 8. The two plates or sections are assembled or united to complete thewheel by entering the rim a within the rim a and having the flange a abut against the edge of the rim or body a, and when entered and properly assembled the wheel will have on each side an opening or hole 0 0, formed by the face ring or plate, which openings are of a diameter to receive the drum D for mounting each wheel on such drum.

Each wheel B and B, as shown, is constructed of a series of radial arms or spokes 0, extending out from ahub or center. The spokes have secured to their outer ends an annular rim a which rim has cogs or lugs O, fixedly secured to or formed upon its outer face, and through the axial center of the hub is a hole or bore 0 of a diameter to receive axle S for mounting the wheels on the axle.

Each driving chain belt E and E may be constructed of cog or sprocket links joined together by means of their interlocking fingers or wings, pivotally united by suitable bolts or pivot-pins, as shown.

The cross-head is secured to the piston-rod P and, as shown, has an arm or bar r on one side and an arm or bar r on the opposite side of the attaching socket-head, both arms or bars being curved forwardly, giving the crosshead a semicircular or crescent shape, with the outer end of each one of the arms or bars projected in a straight line.

'The arm or rod F is attached to the bar r of the cross-head by an eye or socketf at the end of the arm or'bar and extends from the eye or socketfon a right line 0 to the clamp or clasp g, by which its forward end is attached to the chain belt E, on the upper side thereof. the arm or bar 1' of the cross-head by an eye or socket f at the end of the arm or bar and extends from the eye or socketf on a right line r to the clamp or clasp g, by which its forward end is attached to the chain belt E, on the under side thereof. The forward end of the arm or rod F is on a right line tangential to the perimeters of the wheels at their upper face, over which the chain belt to which The arm or rod F is attached to it is secured runs or travels, and the forward end of the arm or rod F is on a right line tangential to the perimeters of the wheels at their lower face, over which the chain belt to which it is secured runs or travels.

The lock L L is provided for the innerface on one side of each wheel A and A, as shown in Fig. 7, which lock consists of a segment m, secured to the inner face of rim or body (0 and to the inner side of the wheel and having its inner face parallel with a chord of the arc of the circle bounding the inner face of the rim (1, and abar n, which has the planes of its two opposite parallel sides of wedge-like form, with a leg or stud 'n at one end and a leg or stud n at the other end thereof. Each one of the legs or studs has its inner side of bevel form, and the outer face of the bar a is so arranged as to engage the inner surface of the segment m. Afriction-belt H encircles the periphery of the drum D, also forms a part of the lock. One end of the friction-belt terminates in the head q, having an outer face of bevel form, and the other end of the friction-belt terminates in a head q, also having an outer face of bevel form. At the central part of the friction-belt is a joint formed by cutting the belt into two parts and arranging a short curved bar Q2 to the outer curved surface of the belt to cover or overlap the separated ends and securing the bar by proper bolts or other means, so as to give some flexibility to the belt, or such flexibility may be produced in any other suitable man ner. A spring 7L, also forming a part of the lock, is attached at one end to the friction-belt at K, and the other end thereof is attached to the segment on at K, and the bar a is arranged in close proximity to the bevel-faces of the friction-belt heads, so that the bevel-face of the leg or stud n will by a slight reciprocating movement engage the bevel-face of the belt-head q, and the bevelface of the leg or stud n will by a slight reciprocating movement engage the bevel-face of the belt-head q, thereby causing the beltheads 1 and g by a reciprocating movement to alternately approach and recede from each other on the peripheral surface of the drum D.

The drum D is a hollow cylinder having a head or plate secured to one end,which plate projects beyond the periphery of the drum and forms a flange (t on the outer side of the drum, and at the center of the head or plate is a hole 0 for the passage of the shaft S as shown. Ahead or disk d is entered into the end of the drum, as shown, and at the center A face-plate or circular disk guard d and is arranged to project over the peripheral edge of the drum and has at its center a hole 0 to receive the end of the shaft S as shown. A spring h is secured at one end to the friction-belt H at K and at its other end to the segment m at K for the purpose of holding the belt-heads q and q to their proper position. A bar 19 is arranged at a point on the inner side of the wheels A and A in close proximity to the bar it to prevent excessive pressure on the spring h.

U is a steam-cylinder of the engine, and was represent a part of. the engine-frame, and for operation the mechanism is to be arranged and located in proper position and relation to the engine or other motive power for the travel of the reciprocating cross-head and the arms or rods to move the chain belts back and forth and revolve the shaft of the drum.

In operation the mechanism of the invention, at each reciprocating movement of the cross-head or other operating device each arm or rod F and F transmits the motive power to the chain belt to which it is secured and causes a rotary movement of the wheels upon which the chain belt runs or travels, and with such movement the lock in one wheel upon the drum will operate and cause the inner face of the segment m to engage the outer face of the bar n, which engages, respectively, the bevel-faces of the friction-belt heads q and g, which engagement forces the heads into closer proximity each to the other,and thereby tightening the friction-belt around the periphery of the drum and locking the acting wheel to the drum to impart thereto and to the shaft upon which it is mounted a rotary movement in harmony with the advance of the acting wheel. At the same time and with the same movement of the cross-head the other arm or rod transmitting the motive power to the other chain belt and the wheels upon which it runs or travels gives the lock in the other wheel on the drum a reverse operation and relaxing the friction-belt from the periphery of the drum by a recession of the friction-belt heads from each other, which unlocks the acting wheel from the drum, so that the unlocked acting wheel and its companion idler or guide wheel have a free rotary movement on the drum without imparting rotation to the shaft. By this mode of operation each active wheel is alternatelylocked to the drum and unlocked therefrom, and the drum and shaft are continuously operated in the same direction to transmit the primary motive power to the operation of machinery connected with the shaft.

The motive power is applied with a greatlyincreased leverage force by reason of its application being in a line tangential to the perimeters of the acting or driving wheels for the drum.

The mechanism may be constructed of any and the diameter of the drum should preferably be as small as practicable, The exterior of the drum preferably is formed of a thick facing of Babbitt or other similar material, upon which the wheels A and A can turn or revolve. The friction-belt should be of a width to produce the proper amount of friction for operative work and may be made of any suitable material and formation. The lock for the inner surface of the acting or driving wheels A and A may be of any form of construction that will perform its office of engaging and disengaging in an adequate manner the wheels and drum. The extension arms or rods F and F may be of any adequate form, and their outer ends may be secured to the chain belts each respectively in any suitable manner, preferably at points equidistant from the end of the piston-rod. The cross-head, secured to the end of the motive-piston, may be made in any form or method adequate to hold thearms or rods each respectively in a suitable position for driving the chain belts running over the wheels. The chain belts may be of any suitable form of construction which will produce the required friction by engaging the perimeters and cogs or lugs of the wheels upon which they run or travel. The number of cogs orlugs formed on the perimeters of the Wheels maybe increased or diminished, and modified as to form and dimensions, as may be required to produce the adequate amount of friction. Thewheels A and B and A and B may be constructed in any manner competent to perform their proper functions and preferably of like form and dimensions, it not being intended to limit the details of construction otherwise than pointed out in the claims. The idle or guide wheels B and B may be constructed in a manner similar-to the acting wheelsA and A and in like manner mounted upon a drum hung upon and fixed to a shaft, and thereby become acting wheels. Also when deemed desirable a lock may be located to the inner face of both sides of each one of the acting wheels.

The bar 9t of thelock L L, referred to in the recitals of the specification as being secured to the inner side of each'wheel A and A, is preferably so secured by means of a bolt arranged in and through a slot formed through the bar n at right angles to the inner side of the wheel and at the central part of the outer side of the bar, the inner end of the'bolt being firmly secured to the inner side of the wheel and the outer end-of the bolt terminating with a head which projects over the edge of each side of the slot, the bolt and slot beingso arranged as to permit the bar or to have a slight lateral movement caused byaslight reciprocating movement of' theboltin the slot. it i I claim as being the invention for which Letters Patent are desiredr 1. A machine, of the class of mechanism described, having two acting wheels, and two idle or guide wheels, arranged in line, each -with the other, and operating in the same plane, with cogs or lugs formed on their external surface, or perimeters; the two acting wheels, adjusted closely to each other and mounted upon a cylindrical drum, and having rotary motion thereon; the drum, being,

- and one idle or guide wheel,and the other chain belt being hung upon and runnirrg over the other acting wheel and the other idler or guide wheel, the links of each chain belt being so formed as to engage the perimeters and cogs or lugs of the wheels, upon and over which it is hung and runs; two extension arms or rods,

one end of one extension arm or rod being se-,

cured to the surface of one chain belt at a point on a right line tangential to the perimeters A of the wheels at their upper face, upon which the other chain belt at a point on a right line it is hung, and one end of the other extension arm or rod being secured to the surface of tangential to the perimeters of the wheels at 1 their lower face, upon which it is hung, the

opposite end of each extension arm or rod being secured to a cross-head, and having a reciprocating movement therewith; a crosshead, attached to the end of a reciprocating piston-rod, P; a lock, adjusted on the inner face of one side of each wheel mounted upon the drum,a friction-belt encircling the periphery of the drum, and being a part of the lock, the lock being so constructed as to lock the Wheel to the drum and unlock it therefrom, at each alternate reciprocating movement of the motive power, substantially as specified.

2. A machine, ofthe class of mechanism described, having two acting wheels, A and A, and two idle or guide wheels, B and B, arranged in line, each with the other, and operating in the same plane, with-cogs or lugs.

formed on their external surface or perimeters; the two acting wheels, A and A, adjusted closely to each other, and mounted upon a cylindricaldrum, D, and having rotary motion thereon; the drum, D, being hung upon and fixed to a shaft, S for operative work; the idle or guide wheels, B and B, being adjusted closely to each other upon an axle, S and having rotary motion thereon; two endless chain. belts, E and E,'the chain belt, E, being hung upon and running over the Wheels, A and B, and the other chain belt, E, being hung upon and running over the wheels, A and B, the links of each chain belt being so formed as to engage the perimeters and cogs or lugs of the wheels, upon and over which it is hung and runs; two extension arms or rods, F and F, one end of one extension arm or rod, .F, being secured to the surface of the chain belt, E, at a point on a right line tangential to tho perimeters of the wheels, A and B, at their upper face, upon which it is hung, and one end of the other extension arm or rod, F, being secured to the surface of the chain belt, E, at a point on a right line tangential to the perimeters of the wheels, A and B, at their lower face, upon which it is hung, the opposite end of each extension arm or rod being secured to a cross-head, and having reciprocating movement therewith; a cross-head, attached to the end of a reciprocating piston-rod, P; a lock, L, L, adjusted to the inner face of one side of each one of the wheels, A and A, mounted upon the drum, D, the friction-belt,

- I-I, encircling the periphery of the drum, and

being a part of the 1661:, the lock being so constructed as to lock the wheel to the drum and unlock it therefrom, at each alternate reciprocating movement of the motive power, substantially as specified.

3. In a mechanism of the class described, the combination of the two wheels, A and A, closely adjusted each to the other upon the cylindrical drum, D; the drum, D, hung upon the shaft, S the two wheels, B and B, adjusted closely each to the other upon an axle, S the chain belt, E, hung upon and running over the wheels, A and B, the chain belt, E, being hung upon and running over the wheels, A and B; the extension arms or rods, F and F, one end of the arm or rod, F, being secured to the surface of the chain belt, E, and

one end of the arm or rod, F, being secured to the surface of the chain belt, E, the opposite ends being secured toa cross-head, attached to the end of the motive piston-rod, P;

the lock, L, L, adjusted to the inner face of one side of each one of the wheels, A and A, the friction-belt, H, encircling the periphery of the drum, D, and being a part of the lock, the lock being so constructed as to lock the Wheel to the drum, and unlock it therefrom, at each alternate reciprocating movement of the motive power, substantially as specified.

4. In a mechanism of the class described, the combination of the two wheels, A and A,

-mounted upon the cylindrical drum, D, the two wheels, B and B, adjusted upon the axle, the endless chain belt, E, hung upon the wheels, A and B, the endless chain belt,

E, hung upon the wheels, A and B, the extension arm or rod, F, secured to the chain belt, E, the extension arm or rod, F, secured to the chain belt, E, the lock, L, L, adjusted in the wheels, A and A, the segment, m, the bar, 02, the legs, at and 79. the friction-belt, I-I, encircling the drum, D, the spring, h, and the bar, 19, substantially as specified.

5. In a mechanism of the class described, the combination of the two wheels, A and A, the drum, D, the two wheels, B and B, the endless chain belts, E and E, the two extension arms or rods, F and F, the lock, L, L, the segment, m, the bar, a, the legs, at and 71 the friction-belt, H, encircling the drum, D, the spring, h, and the bar, 19, substantially as specified.

6. In a machine of the class described, the combination of two acting or driving wheels, each wheel having a circumferential exterior engaging or driving face, a driven drum, on which the wheels are mounted to be automatically locked thereto, and unlocked therefrom, means for engaging and disengaging the wheels from the drum, operating for one wheel to be simultaneously disengaged as the other wheel is engaged; driving or draw chain belts, one for each wheel for intermittently and alternately advancing each wheel to impart a continuous rotation of the drum, and means for actuating the chain belts on a right line tangential to the exterior faces or perimeters of the acting or driving wheels, substantially as specified.

7. In a machine of the class described, the combination of two acting or driving wheels, each wheel having a circumferential exterior engaging or driving face, a driven drum, on which the wheels are mounted to be automatically locked thereto and unlocked therefrom, means for engaging and disengaging the wheels from the drum, operating for one wheel to be simultaneously disengaged, as the other wheel is engaged; driving or draw chain belts, one for each wheel, for intermittently and alternately advancing each wheel to impart a continuous rotation of the drum, means for actuating the chain belts from a reciprocating motive power on a right line tangential to the exterior faces or perimeters of the acting or draw wheels, and a shaft on which the drum is fixed, for the shaft to be continuously rotated from the drum, substantially as specified.

8. In a mechanism of-the class described, the combination of two acting or drawing wheels, each wheel having a circumferential exterior, engaging or drawing face, a drum on which the wheels are mounted to be automaticallyloeked thereto and unlocked therefrom,- means for engaging and disengaging the one for each wheel, for intermittently and al-- ternately advancing each wheel to impart a continuous rotation of the drum; two guide or carrying wheels, one for each actingor draw wheel in line with and in the same plane as its act-ing or drawing wheel, and having a circumferential exterior, engaging or driving face, receiving the driving or draw chain belt, and means for actuating the chain belts from a reciprocating motive power, on a right line tangential to the exterior faces or perimeters of the acting or drawing wheels, substantially as specified.

9. In a mechanism of the class described, the combination of two acting or drawing wheels, each wheel having a circumferential engaging or drawing face, a driven drum, on which the wheels are mounted, to be automaticallylocked thereto and unlocked therefrom, means for engaging and disengaging the wheels and drum, operating for one wheel to be simultaneously disengaged, as the other wheel is engaged; driving or draw chain belts, one for each wheel, forintermittentlyand alternately advancing each wheel, to impart a continuous rotation of the drum; two guide or carrying wheels, one for each acting or drawing wheel in line with, and in the same plane as its acting or drawing wheel, and having a circumferential exterior, engaging, or driving face, receiving the driving or draw chains, means for actuating the driving chain belts from a reciprocating motive power, on a right line tangential'to the exterior faces or perimeters ot' the acting or drawing wheels; a shaft on which the drum is fixed for the shaft to be continuously rotated from the drum, and an axle for the guide or carrying wheels, substantially as specified.

10. In a mechanism of the class described, the combination of two acting or driving wheels, each having on its exterior circumferential face or perimeter a series of projecting cogs or lugs, a driven drum, upon which the wheels are mounted to be automatically locked thereto and unlocked therefrom, alock for each wheel to the drum, actuated by the advance of the wheel to engage the wheel and drum, and by the return of the wheel to disengage the wheel and drum; chain belts, one for each wheel for intermittently and alternately advancing each wheel to impart a continuous rotation to the drum, each chain in engagement with the exterior face or perimeter, and the cogs or lugs of its acting or driving wheel; two guide or carrying wheels, one for each acting or driving wheel, in line with, and in the same plane as its acting or driving wheel, each guide or carrying wheel having on its circumferential exterior face or perimeter, a series of cogs or lugs corresponding to the cogs or lugs on the acting or driving wheel, and receiving the driving or draw chain belt, means for actuating the drive or draw chain belts on a right'line tan gentialto the exterior faces or perimeters of the acting or drawing wheels, from a reciprocating motive power, on a right line tangential .to theexterior faces or perimeters of the acting or drawing wheels; a shaft on which the drum is fixed to continuously rotate from the drum, and an axle for the guide or carrying wheels, substantially as specified.

11. In a mechanism of the class described, the combination of two acting or drawing wheels, each having on its circumferential exterior a face or perimeter a series of projecting cogs or lugs, a drive-drum, upon which thewheels are mounted to be automatically locked thereto, and unlocked therefrom, a lock for each wheel to the drum, actuated by the advance of the wheel to engage the wheel and drum, and by the return of the wheel to disengage the wheel and drum; chain belts, one for each wheel, for intermittently and alternately advancing each wheel to impart a continuous rotation to the drum, each chain in engagement with the exterior face orperimeter, and the cogs or lugs of its acting or driving Wheel; two guide or carrying wheels, one for each acting or driving wheel, in aline with, in the same plane as its acting or driving wheel, each guide orcarrying wheel having on its circumferential exterior face or perimeter a series of cogs or lugs corresponding to the cogs or lugs on the acting or drawing wheel,andreceivingthedrivingordrawchain or belt; an arm or rod attached, at its forward end, to the upper face of one of the chain belts, on a right line tangential to the exterior face or perimeter of the acting or driving wheel of the chain belt, an arm or rod attached, at its forward end, to the under face of the other chain belts, on a right line tangential to the exterior face or perimeter of the acting or drawing wheel of the chain belt; a cross-head having the rear ends of the arms or rods attached thereto; a piston-rod carryingthe cross-head; a shaft, on which the drum is fixed to be continuously rotated from the drum, and an axle for the guide or carrying wheels, substantially as specified.

12. In a mechanism of the class described, the combination of the two acting or driving wheels, each wheel composed of two sections or divisions, each division having an annular body or rim, the body or rim of one division, having, also, a series of cogs or lugs on its exterior face or perimeter, and an interior diameter and width to receive the body or rim of the other division; a drum, on which the acting or drawing wheels are mounted to be alternately locked thereto and unlocked therefrom; a lock for each wheel to the drum, actuated by the advance of the wheel to engage the wheel and drum, and on the return of the wheel, to disengage the wheel from the drum; a drive or draw chain belt for each wheel, each chain in engagement with the exterior face or perimeter and cogs or lugs of its wheel, and intermittently and alternatelyadvancing the wheel for the two wheels to impart a continuous rotation of the drum, and means for actuating the drive or draw chain belts, each on a right line tangential to the exterior face or perimeter of its acting or driving wheel, from a reciprocating motive power, substantially as specified.

13. In a mechanism of the class described, the combination of the two acting or driving wheels, each wheel composed of two sections, or divisions, each division having an annular body or rim, the body or rim of one division having, also, a series of cogs orlugs on its exterior face or perimeter, and an interior diameter and width to receive the body or rim of the other division; a draw-drum, on which the acting or drawing wheels are mounted-to be alternately locked thereto and unlocked therefrom; a lock for each wheel to the drum, actuated by the advance of the wheel to engage the wheel and drum, and on the return of the wheel to disengage the wheel and drum; adrive or draw chain belt for each wheel, each chain in engagement with the exterior or perimeter and cogs or lugs of its wheel, and intermittently and alternately advancing the wheel for the two wheels to impart a continuous rotation to the drum, a guide or carrying wheel is in line and in the same plane with each acting or drawing wheel, and having on its exterior face or perimeter a series of cogs or lugs corresponding with the cogs or lugs of the acting or driving wheel, and means for actuating the drive or draw chain belts, each on a right line tangential to the exterior face or perimeter of the acting or driving wheel from a reciprocating motive power, substantially as specified.

14. In a mechanism of the class described, the combination of two acting or driving wheels, each wheel having a rim or ring body, a drum on which the acting or driving wheels are mounted in juxtarelation, side by side, means for alternately locking the wheels to the drum and unlocking them therefrom automatically with the advance and return movement of the wheels; a drive or draw chain belt for each wheel, and means for actuating the chains from a reciprocating motive power, to intermittently and alternately advance the wheels and impart a continuous rotation to the drum, substantially as specified.

15. In a mechanism of the class described, the combination of the two acting or driving wheels, each wheel having a rim or ring body, a drum, on which the acting or driving wheels are mounted in juxtarelation, side by side, means for alternately locking the wheels to the drum and unlocking them therefrom automatically with the advance and return movement of the wheels; a drive or draw chain, and means for actuating the chains from a reciprocating motive power, to intermittently and alternately advance the wheels and impart a continuous rotation to the drum, and a shaft having the drum fixed thereto, for the shaft to be continuously driven from the drum, substantially as specified.

MARY HELLEN SWIFT, Encecutrice under will of Edward D. Swift,

deceased.

\Vitnesses:

WILLIAM G. KING, TUDOR LUBERMAN.

ICC