US40893A - Improvement in - Google Patents

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US40893A
US40893A US40893DA US40893A US 40893 A US40893 A US 40893A US 40893D A US40893D A US 40893DA US 40893 A US40893 A US 40893A
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wheels
traverse
chassis
gearing
gears
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A27/00Gun mountings permitting traversing or elevating movement, e.g. gun carriages
    • F41A27/06Mechanical systems
    • F41A27/22Traversing gear

Definitions

  • This invention relates to chassis working on center pintles, and to the application to the traverse-wheels of such chassis of a system of toothed gearing operated by a hand-crank or its equivalent for the purpose ofproducing the traverse movement.
  • the gearing has been applied only in connection with the wheels in the rear, or with those in front of thev chassisgenerally with .the former-and in case of the settling of the platform, and from other causes, the wheels to which the gearing has been applied have been liable to a failure to bear upon the traversecircles or segment-rails, in which case the gearing would loe useless, and the use of handspikes would have to be resort-ed to to produce the traverse movement.
  • This invention 4 consists in applying a system of gearing to both the front and rear sets of traverse-wheels in suoli a manner that both sets are caused always to operatetogether, Sothat whether both sets or only one set has a bearing on the traverse-circles or segment-rails, the gearing will not fail to produce the traverse movement.
  • A is the frame-work of theehassis, made of wood or iron, substantially like those of the center-pintle chassis in common use for coast defense.
  • D is the center pintle on which the chassis turns.
  • B B are the forward traverse-wheels, and C C the rear traverse-wheels, applied andarranged substantially in the usual manner.
  • G and H are the traverse-circles or segmenttracks upon which the traverse-wheels run.
  • the axles a a of the several traverse-'wheels are prolonged in a rearward direction beyond their usual length, and furnished vwith gears F F, which are firmly secured upon them.
  • the gears F F of the wheels B B are geared together by an intermediate geant, which turns freely on a stud, b', secured inthe front transom of the ,l chassis, and the gears F F of the wheels C C are geared together by a similar gear, c,which turns freely on a stud, c, secured in the rear transom, and two pinions, j j, arrangedV between the latter gears, F F, and the gear'cupon studs j j', secured in the latter transom.
  • intermediate gears, b c cause the two wheels B B or G O of either pair or set to turn together in the same direction, andthe said gears are geared with two pinions, d d, on a shaft, e,which is arranged lengthwise and centrally within the chassis in suitable bearings provided therein, and this shaft is geared by a pair of bevel-gears, fg,withashaft, h, arranged transversely to the chassis, in suitable bearings in the rear portion thereof.
  • This shaft 7L is furnished with a hand-crank, t', or its equivalent, by which to turn it, and by turning it the gearing is caused to produce the rotary motion of all the traverse-wheels, making the wheels B B rotate in one and those C C in the opposite direction, as required in the traverse movement of the carriage, sothat if the wheels at either end bear upon their respective circle or track,G or II, the chassis will be caused to make the traverse movement, the direction of such movement depending on the direction in which the shaft 7L is turned.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)

Description

Unire' rares .ari-ini trice.,
S. J. ASHLEY, onsnn rnnnoisco, oALiroRNiA.
IMPROVEMENT IN OPERATING GUN-CARRIAGES.
Specification .forming part of Letters Patent No. 4l0.93, dated December l5, 1863.
'b CLU whom, t may concern,.-
Be it known that I, S. J. ASHLEY, of the city of San Francisco, in the county of San Francisco and State of California, have invented a new and useful Improvement in the Chassis of Gun-Carriages; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specification, in which- Figurel is a central longitudinal vertical section of a center-pintle chassis with my improvement. Fig. 2 is a plan of the Same.
Similar letters of reference indicate corresponding parts in both gures.
This invention relates to chassis working on center pintles, and to the application to the traverse-wheels of such chassis of a system of toothed gearing operated by a hand-crank or its equivalent for the purpose ofproducing the traverse movement. In all' previous applications of gearing in connection withthe traversewheels the gearing has been applied only in connection with the wheels in the rear, or with those in front of thev chassisgenerally with .the former-and in case of the settling of the platform, and from other causes, the wheels to which the gearing has been applied have been liable to a failure to bear upon the traversecircles or segment-rails, in which case the gearing would loe useless, and the use of handspikes would have to be resort-ed to to produce the traverse movement.
This invention 4consists in applying a system of gearing to both the front and rear sets of traverse-wheels in suoli a manner that both sets are caused always to operatetogether, Sothat whether both sets or only one set has a bearing on the traverse-circles or segment-rails, the gearing will not fail to produce the traverse movement.
To enable others skilled in the art to apply my invention, Iwill proceed to describe it with reference to the drawings.
A is the frame-work of theehassis, made of wood or iron, substantially like those of the center-pintle chassis in common use for coast defense.
D is the center pintle on which the chassis turns.
B B are the forward traverse-wheels, and C C the rear traverse-wheels, applied andarranged substantially in the usual manner.
G and H are the traverse-circles or segmenttracks upon which the traverse-wheels run. The axles a a of the several traverse-'wheels are prolonged in a rearward direction beyond their usual length, and furnished vwith gears F F, which are firmly secured upon them. The gears F F of the wheels B B are geared together by an intermediate geant, which turns freely on a stud, b', secured inthe front transom of the ,l chassis, and the gears F F of the wheels C C are geared together by a similar gear, c,which turns freely on a stud, c, secured in the rear transom, and two pinions, j j, arrangedV between the latter gears, F F, and the gear'cupon studs j j', secured in the latter transom. These intermediate gears, b c, cause the two wheels B B or G O of either pair or set to turn together in the same direction, andthe said gears are geared with two pinions, d d, on a shaft, e,which is arranged lengthwise and centrally within the chassis in suitable bearings provided therein, and this shaft is geared by a pair of bevel-gears, fg,withashaft, h, arranged transversely to the chassis, in suitable bearings in the rear portion thereof. This shaft 7L is furnished with a hand-crank, t', or its equivalent, by which to turn it, and by turning it the gearing is caused to produce the rotary motion of all the traverse-wheels, making the wheels B B rotate in one and those C C in the opposite direction, as required in the traverse movement of the carriage, sothat if the wheels at either end bear upon their respective circle or track,G or II, the chassis will be caused to make the traverse movement, the direction of such movement depending on the direction in which the shaft 7L is turned.
Besides the liability of the platform to settle, and thereby cause the chassis to bear only upon those wheels B B orC C at one end, leaving it supported upon the pintle-bearing and the other set of wheels, there is always a tendency, when the gun is in battery and its whole weight is upon the front wheels, to relieve the back wheels of their weight to such an extent that if motion were given by the gearing tothose wheels alone 'they might rotate without producing the traverse movement, and the application ofthe gearing to those wheels alone might fail to operate from this causal This last-mentioned difficulty might be overcome by applying the gearing to the front wheels alone 5 but if the crank z' or its equivalent to produce the motion of both sets of Wheels simultaneously by power applied through a crank-shaft or its equivalent at or near the rear end of the chassis, or in such position as may be most convenient, substantially as and for the purpose herein specified.
S. J. ASHLEY.
W'itnesses v ANTHONY GRAHAM, J. G. HU'roHINsoN.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5048392A (en) * 1989-03-15 1991-09-17 Wegmann & Co. Gmbh Elevating bearing for a large-caliber weapon accommodated in the turret of a tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5048392A (en) * 1989-03-15 1991-09-17 Wegmann & Co. Gmbh Elevating bearing for a large-caliber weapon accommodated in the turret of a tank

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