John George Bodmer: Patents

Note: This is a sub-section of John George Bodmer

Schedule of Inventions contained in Mr. J. G. Bodmer’s several Patents.

No. 6,616, of 1834

• 1. Double Piston on Compensating principle, shown as applied to Locomotive Steam Engines.-Apparatus for counteracting the pressure of steam upon the Slide Valve by means of pistons.-Double crankshaft Bearings and compensating Springs.-Segment Guides for Bearings of crankshaft.-Convex spherically-shaped Axle-bearings. -Three modifications of expanding metallic Packing-rings for Pistons.- Self-acting Lubricating Apparatus.-Hollow Piston-rod.-Mechanism for increasing speed of Driving-wheel independently of that of Engine.
• 2. Safety Valves. - Draft-Regulating Apparatus. -Mode of producing Draft when the Engine is not running.-Feed-water Heating Apparatus in Smoke-box.-Slanting Fire-grate.-Three modifications of Boilers.

No. 6,617, of 1834

• 1. Revolving Drum Fire-grate.
• 2. Travelling or Propelling Grate, with Fire-bars in Sets.
• 3. Chain-Grate.
• 4. Vibrating or Rocking Grate.
• 5. Application of Propelling Grate to Puddling Furnaces and Brewers’ Coppers.
• 6. Application of Propelling Grate to Hot-air Stoves and Singeing Stoves.-Triple Boiler.-Boiler fitted with Tubes and Chambers placed over Grate and Fire-bars.

No. 6,841, of 1835

• 1. Feeding Plate, applied to Willow Machine and Carding Engine.
• 2. Two modifications of Self-acting Topcard Stripping or Cleaning Apparatus.
• 3. Arrangement for stopping and starting the Feeding and Doffing Apparatus of a row of Carding Engines, without suspending the operation of the Main Drum.-Mode of conducting Slivers through Spouts and between Press Rollers to Lap Machine.
• 4. Lapping Machine for Draming Frame.
• 5. Position for Lapping Machine of Stubbing Frame, at right angles, or transversely to the Machine.-Twisting Tubes, with reciprocating motion for giving tenacity to the fibres before winding upon bobbins.-Weighted Pressing Rollers in connection with the above.-Improved mode of changing the Bobbins of Lapping Machines.-Various mechanism for imparting a reciprocating motion to the Twisting Tubes.
• 6. Arrangement of the Unlapping or Unwinding Rollers, as applied to the Feeding of Drawing, Slubbing, and Roving Frames.
• 7. Application of a system of Drawing Rollers to the Lapping Machine of Carding Engines, instead of Drawing Boxes applied to each Carding Engine.
• 8. Application of the above system of Drawing Rollers to the Lapping Machines of Drawing Frames.
• 9. Conducting the Slivers in separate compartments to the Drawing Rollers, by means of several Belts.-Mechanism for traversing and lapping Slivers upon a Bobbin.
• 10. Apparatus for producing Bobbins, with conical ends, and twisting the rovings.
• 11. Method of unlapping the Bobbins for feeding Mules and Throstles by means of Belts.

No. 7,388, of 1837

• 1. Novel construction and peculiar arrangement of certain parts of the ordinary Throstle, for the purpose of effecting the winding of the yarn upon the bare spindle, in the form of Pincops.
• 2. Flyer or Guide, and Container, or Box connected with the above : the Flyer or Guide being independent of the Spindle, and acting by virtue of its centrifugal force, when linked to the thread.
• 3 . Apparatus for sizing ancl preparing yarn in its passage from the rollers to the spindle.
• 4. Application of two rows of spindles in one Mule carriage, and thereby effecting the ‘putting up,’ or ‘winding on’ of the yarn upon one row of spindles, at the same time as the ‘stretch’ or spinning process is performed upon the other row.

No. 7,837, of 1838

• 1. Two modifications of Apparatus for stripping Topcards.
• 2. Apparatus for stripping or cleaning Rlain Drum.
• 3. Self-acting Apparatus for grinding Topcards.
• 4. Various modifications of Feeding Knife.
• 5. Lapping Machine for winding a single Sliver or Band on to one Bobbin by means of a right and left-hand Screw-Scroll.
• 6. Lapping Machine for changing Bobbins expeditiously, by means of a handle and gearing.
• 7. Machine for winding the Sliver of a Carding Engine layer upon layer, in the shape of a Coil.
• 8. Coil Machine for the Band of a Drawing Frame.
• 9. Coil Machine with Twisting motion, for Roving Frames.
• 10. Two modifications of Apparatus for producing a reciprocating Twisting motion.
• 11. Independent Spinning Machine.-Application of Differential cones to produce the various motions of the carriage, &c.

No. 8,070, of 1839

• 1. Wheel-cutting Engine, for cutting external and internal Spurwheels, Racks, and Bevel-Wheels of Wood and Iron-with adjustable Table.
• 2. Segmental Cutters.
• 3. Pentagraph, adapted for shaping Cutters for Spur and Worm-wheels,
• 4. Machine for grinding spherical Lenses.
• 5. Machine for equalizing and polishing large and small feet or cylindrical surfaces, by means of copper discs mounted on slides, and revolving at great velocities.
• 6. Loose Headstock for Lathes.-Spindle bearing throughout its length.
• 7. Guiding and adjustable Boring Tool.
• 8. Expanding Mandril.
• 9. Planing Machine.-Double Tool Slide, with self-acting apparatus to move out of cut, and moveable vertically, horizontally and about the centre.
• 10. Planing Machine with moveable bed outside, and independent of Tool Slides, for vertical and horizontal cut.-Tool Slides as above.
• 11. Hand-Planing Machine, worked by contact pulleys.
• 12. Planing Machine with adjusting Table, moving on Pivot, for cutting polygonal articles.
• 13. Nut-cutting Machine, for cutting two sides of a row of Nuts, placed on a mandril, simultaneously ; fitted with dividing apparatus.
• 14. Circular Planing Machine, for turning, planing, and boring large wheels, or other parts of machinery.
• 15. Differential Double Screw Slide-lathe. for turning Cones, rounding the surfaces of pulleys, turning Ball-sockets, and Balls, and cutting Screws of any desired pitch.-Apparatus for moving Slides separately from Screw.-Apparatus for moving Tool in and out of cut quickly.
• 16. Apparatus for cutting Nuts on Lathe.-Nut-cutting Bar, for cutting Nuts of large size.
• 17. Drilling Machine with differentia1 Feeding Apparatus.
• 18. Slotting Machine or Key-grooving Machine, fitted with Apparatus for taking Tool out of cut in the upstroke.-Tool Slide adjustable for cutting at angles.
• 19. Tapping and Screwing Machine.
• 20. Novel arrangement for securing Cutters in Connecting-rod ends and Straps, by means of a set-screw.
• 21. Rolling Mill for rolling Tires for Railway and other Wheels to their finished shape and size ; so as to dispense with any further operations.
• 22. Rolling Mill for rolling Hoops for Boilers.-Various modes of jointing such Hoops with flush joints.

No. 8,912, of 1841

• 1. Lathe for turning Crank Axles, fitted with two-face plates driven simultaneously from a horizontal shaft, by means of pinions, gearing into the toothed circumferences of the face-plates : the face-plates being fitted with adjustable bearings, which can be set to any desired distance from the centre, according to a scale marked thereon.
• 2. Universal Joint ; in which the ball and socket, and the swivel principle are combined in such a manner as to increase the strength of the mechanism, without prejudice to its efficiency.
• 3. Connecting-rod Head.-Connecting-rod End turned cylindrically, and bored out spherically for the brasses.-Strap bored out internally and turned externally.
• 4. Tool for boring out Connecting-rod Straps.
• 6. Screwing-Stock with moveable Cutting Die.
• 5. Tool for turning Spheres.
• 7. Tap for cutting internal Screws; thread 'backed off' both at top and bottom : called Convolute Tap.
• 8. Adjustable Chasing Too1 and Holder.
• 9. Self-acting Tap-cutting Lathe for forming Convolute Taps.
• 10. Apparatus for regulating or correcting Screws, by means of a Screw working in wood, and regulated by gearing.
• 11. Large Slotting Machine.-Tool actuated by a Screw in combination with Rack and Pinion, and brought into and out of cut by inclined planes.-Tool reversible.-Machine also adapted for cutting Grooves or Slots, like an ordinary Planing Machine.
• 12. Double Drilling Machine for large and small Holes, fitted with differential gearing to effect the feed, which remains uniform, however the metal under operation may vary as to its hardness or porosity.
• 13. Centre-Chucks for Lathes, in which the Jaws are moved simultaneously by means of a Central Wheel fixed to the Spindle of the Headstock.
• 14. Planing Machine worked by a Crank-motion.-Various modifications of Starting and Stopping Apparatus.
• 15. Planing Machine, in which the Table is actuated by means of a Worm gearing into a Rack, which is a segment of a Nut.
• 16. Wheel and Screw Press for forcing Mandrils into Wheels.-Also to be used as a Drifting and Trenching Machine. This machine is fitted with a short-stroke Eccentric, and the combination of mechanism is such that the Mandril or Punch is constantly in contact with the object to be operated upon.

No. 8,9S1, of 1841

• 1. Fan-propeller, in connection with Compensating or Double Piston Steam Engine.
• 2. Expansion Valves, regulated by right and left Screw.
• 3. Pillar Steam Engine, with stationary Piston and moveable Cylinder.
• 4. Compensating or Double Piston Steam Engine applied to Paddle-wheel Propeller.-Paddle-wheel so constructed that the dip of the Floats can be adjusted.-Stationary shaft Paddle-wheels driven by Pinion gearing into segments.
• 5. Mode of jointing the Plates of Iron Ships.
• 6. Inverted Cylinder Stationary Compensating or Double Piston Steam Engines.
• 7. Locomotive Compensating or Double Piston Steam Engine.-Framing formed of timber, in layers. -Connecting-rod brasses turned spherically.-Spherical Axle-bearings.-Hand-gear.-Broad Railway-wheel Tire, in combination with flat Rail, bedded on cylindrico-concave longitudinal Sleepers, with a soft or elastic substance between Rail and Sleeper.-Oiling Apparatus.

No. 9,279, of 1842

• 1. Blowing Machine for producing narrow Laps, in connection with Lapping Machine patented in 1838.
• 2. Self-acting Doffer Knife to Lapping Machine.
• 3. Improvements in self-acting Topcard Stripping or Cleaning Apparatus.
• 4. Main Drum Stripping Apparatus.
• 5. System of feeding Carding Engines with narrow Laps.
• 6. Lapping Machine for winding one or more Bands or Rovings on a Lap, with use of Doffing Knife.
• 7. Coil Frame, with Twisting Apparatus.
• 8. Double Coil Frame.
• 9. Improvements in Apparatus for forming the Cops in Throstle, patented in 1837.-Also improved Flyer and Container.

No. 9,547, of 1842

• 1. Construction of Tire Rolling Mill.
• 3. Modified form of Tire Rolling Mill, with two Working Rollers.
• 2. Squeezing Rollers for Puddling Furnaces.
• 4. Rolling Mill for producing Tires from Bars, not having originally the shape of Tires, or even from flat bars.-Internal Rollers governed by right and left-hand screw and weight, for keeping the Tyre steady under operation.-Supporting Rollers, to diminish friction and preserve the Table from wear and tear.
• 5. Machine for forcing Tires on Wheels.
• 6. Shearing Machine, adapted for preparing Plates to be subsequently rolled into Pulleys and other Hoops.
• 7. Tire-welding Machine.

No. 9,702, of 1843

• 1. Improvements in Compensating or Double Piston Locomotive Steam Engines.-Expansion Gear, and mode of regulating the same.-Hand-Gear, Pistons, and Axle-boxes.
• 2. Tender.-Framing.-Break acting simultaneously upon the Rails and Wheels.
• 3. Tire Rolling Mill.-Gauging Apparatus to ascertain size of Wheel Tire.
• 4. Welding Furnace for Tires.
• 5. Peculiar construction of Compensating Crank.-Combination of Crank with Shaft, by means of Universal Joint and spherical Bearings.
• 6. Steam-engine Governor acting upon Expansion Valve.
• 7. Wheel with bent Spokes.
• 8. Mercurial Steam-regulating Gauge, to act in connection with the Safety Valve, and to let the surplus steam flow off to any place where it may be required, or to cause it to act against the Pistons of the Engine, so as to regulate its velocity more quickly.
• 9. Compound Compensating or Double Piston Steam Engine in connection with Paddle-wheel Propellers.
• 10. Wheel-break or Starting and Stopping Apparatus applied to Rolling Mills; and in combination with Paddlewheel Propellers, to stop and start the latter instantaneously, though without any concussion and jerking, and without stopping the Engine.
• 11. Life-boat, with Fan-propeller fitted to it.-Various modes of jointing the Plates of Iron Vessels.
• 12. The Compensating or Double Piston principle applied to Pumping and Winding Engines.
• 13. Couplings of Pumprods and Shafts.
• 14. Modification of Starting and Stopping Apparatus, as applied to Winding Gear.

No. 9,899, of 1843

• 1. Screw Fire-grate, with rocking motions of Bars.
• 2. Metallic Packing for Piston-rods, Pump-rods, and Cocks and Taps.
• 3. Lathe for cutting Pattern of 'drunken' Screw, to produce Rocking motion of Firebars.
• 4. Mode of applying Screw Fire-grate to Cementation Furnaces.-Mode of treating the Iron previously to packing it in the Boxes.
• 5. Continuous Cementation Furnace with spiral Flues.
• 6. Puddling Furnace, with Double Hearth : namely, an upper Hearth to smelt the Iron, and a lower one to form Balls.-Application of Screw Fire-grate to the same.
• 7. Smelting (Air) Furnace, in which the air is drawn down upon the hearth, from above, by means of a Fan.
• 8. Application of Screw Fire-grate to Air-heating Apparatus.
• 9. Band Saw, and mode of manufacturing the same.

No. 10,243, of 1844.

• 1. Outside Cylinder Compensating or Double Piston Tank Engine.-Brass Fire-box with Partitions.-Air-pump for forcing Atmospheric air into Boiler.-Fire-bars with rocking motion.-Brass Leading and Driving Wheels.-Elastic Connecting or Coupling Rods.-Expansion Apparatus.-Use of four Cylinders, of which the two internal ones are in connection with Crank-shaft, and the external ones in connection with Crank-pins.-Hollow Brass Piston-rod, in connection, or rather of one piece with the Slide-block and Pin.
• 2. Expansion Gear.
• 3. Mechanism for working Link-motion.
• 4. Tender.-Mounting Feed-pumps on Tender, and working the same from the running Wheels instead of fixing them to Engine as usual.-Improved Drag-links, with spherical or Ball-sockets, which are at the same time the tubes by which the water is conveyed from the Pumps to the Boiler.
• 5. Brass Crank-shaft, with eccentrics cast of one piece.
• 6. Four Modifications of Expansion Gear.
• 7. Valve for Atmospheric Railway.
• 8. Pair of 300 H.P. Horizontal Compensating or Double Piston Bevil geared Screw Steam Engines.-Air-pump working at reduced speed.-Pipe, Cylinder-cover, and Cylinder Heating Apparatus.-Yielding Cylinder Top and Bottom, to prevent accident through accumulation of Water.-Application of Spherical Bearings to Screw-shaft.
• 9. Propeller Shaft Stuffing-box and Gearing.-Peculiar method of coupling and unshipping the Propeller-blades, which operations can be easily effected when under way.-Peculiar method of coupling the Propeller-shaft with the Engine.
• 10. 300 H.P. Stationary Inverted Cylinder Compensating or Double Piston Steam Engine, with external Crank.-Reduced speed Air-pump.
• 11. Modification of Variable Expansion Gear and Slide Valve.
• 12. High-pressure, Non-condensing Compensating or Double Piston Steam Engine, with Governor acting upon a Throttle Valve in the Exhaust Steam-pipe.
• 13. Expansion Valve Governor.
• 14. Steam Boiler with 'Bouloirs,' adapted for Screw Fire-grate.
• 15. Tubular Boiler.
• 16. 300 H.P. Horizontal, Compensating, or Double Piston Steam Engine, connected with a pair of Vertical Fan-propellers.-Peculiar construction of Propeller and Feed-box. and Regulating Apparatus.
• 17. Application of Friction Break or Starting Apparatus to Crank-shafts of Marine engines, for connecting or disengaging Paddle-wheel or Screw-propeller.
• 18. Application of Friction Break or Starting Apparatus to the end of a Shaft, for connecting the same with, or disengaging it from another Shaft, through the medium of a Universal Joint or Coupling.
• 19. Spherical Bearings, especially adapted for heavy Shafts, and where the Pedestals cannot be fixed to a solid foundation ; as, for instance, for Shafts of Screw-propellers.
• 20. Application of Friction-break, or Starting Apparatus, to the Fly-wheel of a Rolling Mill, or other heavy machinery requiring to be suddenly started or stopped, and where the resistance to be overcome by the Motor is liable to be suddenly increased.-Also application of the same Apparatus for reversing the motion of the Rolls of a Rolling Mill.
• 21. Further modification of the construction of the Friction-break or Starting Apparatus.
• 22. High-pressure Tubular Marine Engine Boiler, fitted with Travelling Grate.-Inside Fire-box with corrugated Roof.-Water-bridge.-Fan blast with regulating Flues, for the purpose of giving any direction to the current of Air.
• 23. Balance-rudder, and mode of unshipping and replacing the same.-Metallic Tube to which the wings of the Rudder arc attached.
• 24. Adaptation of the Compensating principle to Pendulum or Vibrating Steam Engines.
• 25. Inclined Cylinder Compensating Trunk Engine.-Air-pump for high velocities.

See Also

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