US42379A - Improvement in revolving fire-arms - Google Patents

Description

B./ F. JOSLYN.

y Revolver.

No. 42,3"7'9,l Patented Apr.. 19', 1864.

N, PETERS, PHOTO-LITHOGRAPHER, WASHINBUN. D. C.

, 1 and 2 proved revolving tire-arm Fig. 3, a transverse fastening.

UNTTTD iSTATi-s PATENT Cerros.,

B. JOSLYN, OFYSTONINGTON, CONNECTICUT.

IMPROVEMENT IN, REVOLVING lFlREv-ARIVIS.

`Specification forming part of Letters Patent No. 412,379, daed April 19, 1864.

To all whom it may concern L" Be it known that I, B. F. JosLYN, of Stonington, Connecticut, have invented certain Iniproveinents in Revolving Fire-Arms; and I do hereby declare thc following` to be a t'ull, clear, and exact description of the same, reference being had to the accompanyingdrawings, and to the letters of reference marked thereon.

My invention relates to improvements in revolvers having cylinders made of two parts, one fitting into the other, my improvements, which are fully described hereinafter, lhaving been made with the view of preventing the accumulation of dirt between the two parts ofthe cylinder, also with the view of readilyl loading the cylinder and removing therefrom the spent cart-ridges.

In order to enable others skilled in the art to make and use my invention, I will now proceed to describe its construction and operation.

On reference to the accompanying drawings, which form apart of this specification,Figures are longitudinal sections'ot' my iinsection on the line l 2 of Fig. 1, looking in the direction of the arrowl; Fig. 4, a section of part of the cylinder; Fig. 5, also a section, on the line l 2, of the rear portion of the cylinder, looking in the direction ofthearrow 2.

Similarletters refer to similar parts throughout the several views.

A is the stock, and B the barrel, of the tire- `arm, D being the breech-pin, which is permanently secured to the stock by any suitable The main peculiarity of my improved tirearm is the inode of constructing the cylinder, which consists of two distinct parts-na-mely, the exterior portion, E, and the inner or rear portion, E', the two, when fitted together, constituting a cylinder having in the present instance six chambers.

The rear portion, E', of the cylinder consists of the circular plate a, at the rear of which is a tubular projection, d, surrounding and fitting snugly to butso as toturn freelyon,the breechpin D, the projectionbeing also arranged to l turn freely in the stock, to which it is so confined by a key, c, that the plate a always bears against the end b of the stock. In front of thisplate a is another projection, which surrounds and fits snugly to the breech-pin, and which penetrates about half-way'through the portion E ofthe cylinder. This projection, the t'orm of which will be best observed on reference to Fig. 5, consists of six ribs, it', with concave recesses m m betweenthe ribs. In front ofthe plate a, are also six radial projections, a a, the object of which will be rendered apparent hereinafter. It will be seen that the portieri Eis recessed for the reception of the above-described projection on the plate a of the portion E of the cylinder, the recessed portion, when the two parts ofthecylinder are detached from each other,con Vsisting ofahollow cylinder, Fig. 4, with sixribs, q, and between theseribs concave recesses p.

Vhen the two portions of the cylinder are fitted together, as seen in Fig. 3, the ribsi of the portion E coincide with rthe internal ribs, fg, of the portion E, and each concave recess m ot the portion E forms, with one ot' the concaveV recesses p of the portion E, a circular chamber for the reception ofan ordinary lnetallic cartridge.

' It will be seen on reference to Figs. 1, 2 that` the above-described projection in front ot' the plate a penetrates the portion E of the cylinder as far onlyas the point x, from which point to the front end of the cylinder the chambers` are cut through solid metal, as in the cylinders of ordinary revolvers. ,l

The front end ofthe cylinder has a tubular projection, t, embracing the breech-pin D, and fitting snugly but so as to turn freely in a recess formed in the rear end ofthe barrel, beneath the bore ofthe same, a key, c, tending to maint ain this projection, with the portion E of the cylinder, in its proper longitudinal position and in'contact with the barrel. The breech-pin D is carried forward so as to penetrate a considerable distance into a recess in a projection formed beneath the barrel, and teeth w are formed on the under side ofthe pin, these teeth being adapted to teeth on the segment y, which forms the small arm of the lever G. The latter ,hasits tulcrumonapin,h,whichpassesthrough two tlanges,fand f', formed beneath the barrel, and between similar tianges, g, beneath the i stock. An eye, H, is formed at the end ofthe lever for facility ot' handling the saine, the eye at the same tiineserving as an appropriate trigger-guard.

As the lock, trigger, hammer, and devices connected therewith for rotating the cylinder may be similar to those of other revolving tirearms, and as any one skilled in this class ot' mechanism can readily apply these parts to my improvement, it has not been deemed necessary to illustrate and describe them.

Operation: As seen in Fig. 1, the several parts of the tire-arm are in a properv position preparatory to the discharge ofthe load. Wh en the lire-arm has to he loaded the lever G is depressed to the position shown in Fig. 2, in do ing which the teeth on the short arm ot' the lever act on those of the breech-pin, and consequently the barrel is projected outward from the stock, carrying with it the portion E of the cylinder and leaving the portion E of the same still in contact with the stock. The weapon is then held vertically, muzzle upward, and the metallic cartridges are arran ged on the exposed portion Eof the cylinder, the heads of the cartridges resting on the plate c and the bodies fitting the concave recesses m. After the cartridges have been thus properly arranged the lever Gis restored to its former position, in doing which the portion E of the cylinder slides over the projecting part of the portion E and over the metallic cartridges. When a proper junction ot the two portions ofthe cylinder is effected by the movement ofthelever each cartridge is contained in a separate chamber, and the two parts of the cylinder Vare in effect the same asa cylinder of the ordinary construction.

It will be seen that the head of each cartridge is isolated from that of the adjacent c lrtridges by the radial ribs u, Fig. 5, that the case of the'cartridge covers all the joints of the two portions of the cylinder, and consequently that no dirt can accumulate between and impair the efciency of thesejoints.

When the spent cartridges have to be withdrawn the lever G is again depressed, and the portion E of the cylinder consequently moved will fall from the piece E', and new cartridges may beintroduced into the cylinder in the manner described above.

In loading the tire-arm there is no necessity for detaching the cylinder entirely, as in other breech-loading revolvers, one movement of the lever being all thatis necessary to arrange the cylinder for receiving the cartridges, and another movement all thatisnecessary for adjusting the cylinder and its charges preparatory to firing.

I wish it to be `understood that I do not desire to claim broadly acylinder composed of two pieces, one fitting into the other, one portion of each chamber being formed in one piece and the other portion of each chamber in the other piece, as.Y described above; but

- I claim as my invention and desire to secure by Letters Patentl. Making that portion ofthe piece E whic penetrates the portion E shorter than thc case ofthe cartridge, so as to prevent the accumulation of dirt between the two parts of the cylinder, as set forth.

2. The piece E', with the plate a and radial ribs n, and recesses for the reception of the heads of the cartridges, the whole being constructed substantially as and for the purpose set forth.'

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

B. F. JOSLYN.

Witnesess; N. B. PALMER, 2d, 0. B. GRANT.

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