US394552A - Pneumatic cash-carrier apparatus - Google Patents

Pneumatic cash-carrier apparatus Download PDF

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US394552A
US394552A US394552DA US394552A US 394552 A US394552 A US 394552A US 394552D A US394552D A US 394552DA US 394552 A US394552 A US 394552A
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tube
carrier
opening
pneumatic
article
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
    • B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
    • B65G51/08—Controlling or conditioning the operating medium

Definitions

  • This invention consists in the combination, with a pneumatic tube for the transmission of a carrier or other article therethrough, provided with an opening for the insertion therein or removal therefrom of a carrier or other article, and provided with a door or covering to close and open said opening, of means and mechanism for the reception at each opening of a carrier or other article to be transmitted therethrough and delivery therefrom of a carrier or other article that has been transmitted therethrough, all substantially as hereinafter fully described, reference being had to the accompanying sheet of drawings, in whichn Figure l represents in front view a series of pneumatic tubes for the transmission therethrough of carriers or other articles as located at the cashiers desk or central station, portions being in section.
  • Fig. 2 is a side view of one of the pneumatic tubes shown in Fig. l, with parts below the tube in vertical crosssection.
  • Figs. 3 and 4 are vertical central sections on lines 3 3 and 4 4, respectively, Fig. l.
  • Fig. 5 is a detail vertical section on line 5 5, Fig. 2.
  • a A represent pneumatic tubes for the transmission of carriers or other articles therethrough, each one of which tubes is secured at its bottom end to the top of a box or casing, B, near its front side, which box or casing has two longitudinal chambers, C D, separated by a longitudinal vertical partition, E, the box or casing being located at the cashiers desk or table or central station, where the several pneumatic tubes terminate.
  • a separate pipe or tube, F leads from the back part of each tube A, and is secured to the top of the casing B, back of its tube A, as shown in Fig. 2 more particularly, and each pipe F has communication by a separate and independent opening, G, in the top of the Serial No. 251,631. (No m0del.).
  • casing B with the chamber D, and also communicates with the interior of its respective tube A.
  • H is a pipe attached to the bottom of the casing and having communication with the chamber D, and leading to and having communication with any suitable operating-bellows or air-motor, by the operation of which air is forced through the chamber D, pipe F, and through the desired pneumatic tube A for the transmission of a carrier or other article therethrough when desired.
  • each of the openings G is a valve, J, hinged at a within the chamber D, arranged and adapted to cover and close said opening G and to be swung on its hinge a to uncover or open said opening, as shown, respectively, in Figs. 2 and l, so that the air from the operating-bellows or other air-motor can be shut out of or enter the pipe F, as desired.
  • the shaft or pivot-a of each valve J extends horizontally through the partition E into the cham! ber C, where it has attached to its outer end a bar or arm, K.
  • this arm K In the end of this arm K is a longitudinal slot, b, in which engages a cross-pin, d, in the lower ,end of a vertical rod, L, which rod extends up through an opening, f, in the top of the box B, alongside of its respective pneumatic tube A.
  • valve-arm K Attached to the back end of the valve-arm K is one end ot' a spiral spring, g, secured by its other end to the partition E at h, the tension of which keeps the valve J closed upon its seat at all times except when otherwise operated upon. 'lhe front part of each pneumatic tube is cut away longitudinally, as shown, sufiiciently to make an opening, M, in the front side of the tube for the insertion ot' and removal from the pneumatic tube of the carrier or other article.
  • N is a short piece of tubing closelyv encircling the pneumatic tube, but yet loose enough so that it can freely slide up and down there on.
  • This tubingI l ⁇ ' is the door or cover to the opening' M, and when moved down, as shown at m, Figs. l and I, closes said opening, and
  • each side of each door N by one end, at u is a spiral spring, P, which springs at their upper ends are attached to the tube A, as at n, the ten sion of which springs keeps each door or cover up against its respective shoulder w on the tube A, and thus the opening M to the tube A free and open at all times, except when otherwise operated upon.
  • Q is a spring, preferably made of springwire doubled upon itself, its lends being coiled around a bar, y, secured to' the pipe F and bent in the form shown, or substantially so, so that its bulging or curved portion R will project into the pneumatic tube, as shown in Fig. 4 more particularly.
  • S are several pieces of carpeting, having above them a thick piece of felt, T, which are placed in the tube A and rest upon the bottom a.
  • the operation of the apparatus is as follows: The carrier or other article to be transmitted through atube, A, is placed within the tube at the opening M, and then the cover or door moved down into the position shownat fm, Figs. l and 4, and as it moves down its shoulder U strikes against the upper end of the rod L and presses it down, and through its connection with the valve-arm K, as de-V scribed, causes the valve J to open, as shown in Fig. Zl.
  • the operating-bellows or other air-motor is operated, which forces air through the opening G into pipe F, and thence into the tube A under the carrier placed therein, and forces it along and through the tube A to and delivers it at the other end of the tube through another or i similar opening, M, at such end.
  • the carrier is sent back through the tube and is received at one of the tubes A at the central station, it strikes against the cushion of carpeting and felt in the bottom of the tube A and vrebounds within the tube and then falls therein, but with such reduced momentum that when it then comes opposite to the opening M it will strike against the spring Q and be forced out through the opening M, when it will drop quietly upon the table in front of the tube.
  • the spring Q should preferably be made light, so that when the carrier first arrives at the opening M its power will not be suiicient to prevent the carrier passing by it to and striking against the' cushion, as the spring only needs sufficient power to act upon the carrier after its rebound from the cushion when it has lost host, if not all, of its momentum, and practically only has that derived from the distance it falls after its rebound.
  • the carrier is delivered from the tube onto the table with,rnore or less of the full momentum impartedl to it b y the airmotor and its travel along the tube, and to receive the carrier at such place various devices and arrangements have been constructed and used to overcome the momentum of and stop the carrier quietly and easily; but they are all more or less objectionable.
  • the receiving-cushion and the rebound of the carrier are all within the tube, so that after the rebound of the carrier, which will only be a short distance in the tube, it will fall by the aid of the spring Q out of the opening M onto the table with a very light blow.
  • a wire, V is secured in front of said pipe in a vertical line, which wire is between the two arms of the spring Q, and serves also as a guide to its movements and to prevent its being pushed out of place.
  • the spring Q being made of wire, takes up but little room and does not interfere with the air passing to the tube from the pipe F. lt also assists to hold the carrier up when it is inserted into the tube for transmission, as shown at W' in dotted lines, Fig. 4, so that the air will pass under it for its proper action thereon in start ing it through the tube.
  • the valve J does not need to be used at the single.
  • Any suitable valve, J can be used and arranged to operate in any suitable manner, this invention not being limited to the valve and its connections shown; also, any suitable spring, Q, can be used back of the openingM and arranged in any suitable manner for op- .IOO
  • the sliding door N in lieu of being of tube form and extending around the tube A, need only extend around the tube sufliciently to surely cover the opening M and be arranged to slide up and down in grooves or guideways on the tube A, or have narrow strips, &c., extend around the tube to keep it in place; also, the cushion can be made entirely of felt or of carpeting; or it can be made of any iibrousmaterial of a similar nature-such as leather or india-rubber-or it can be dispensed with altogether, the carrier striking on the bottom of the tube; but it is preferable to have a cushion of some sort, and that a more or less yielding one, to break the force of the blow of the carrier as it strikes it.

Description

UNITED STATES PATENT OFFICE.
MARTIN BARRI, OF CAMBRIDGE, MASSACHUSETTS, ASSIGNOR, BY MESNE ASSIGNMENTS, TO THE IWIETEOR DESPATCH COMPANY, OF PORTLAND,
MAINE.
PN EU MATIC CASH-CARRIER APPARATUS.
SPECIFICATION forming part of Letters Patent No. 394,552, dated December 18, 1888.
Application tiled October 6, 1887.
To all whom it may concern:
Be it known that I, MARTIN BARRI, of Cambridge, in the county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in Pneumatic Cash- Carrier Apparatus, of which the following is a full, clear, and exact description.
` This invention consists in the combination, with a pneumatic tube for the transmission of a carrier or other article therethrough, provided with an opening for the insertion therein or removal therefrom of a carrier or other article, and provided with a door or covering to close and open said opening, of means and mechanism for the reception at each opening of a carrier or other article to be transmitted therethrough and delivery therefrom of a carrier or other article that has been transmitted therethrough, all substantially as hereinafter fully described, reference being had to the accompanying sheet of drawings, in whichn Figure l represents in front view a series of pneumatic tubes for the transmission therethrough of carriers or other articles as located at the cashiers desk or central station, portions being in section. Fig. 2 is a side view of one of the pneumatic tubes shown in Fig. l, with parts below the tube in vertical crosssection. Figs. 3 and 4 are vertical central sections on lines 3 3 and 4 4, respectively, Fig. l. Fig. 5 is a detail vertical section on line 5 5, Fig. 2.
In the drawiiigs, A A represent pneumatic tubes for the transmission of carriers or other articles therethrough, each one of which tubes is secured at its bottom end to the top of a box or casing, B, near its front side, which box or casing has two longitudinal chambers, C D, separated by a longitudinal vertical partition, E, the box or casing being located at the cashiers desk or table or central station, where the several pneumatic tubes terminate. A separate pipe or tube, F, leads from the back part of each tube A, and is secured to the top of the casing B, back of its tube A, as shown in Fig. 2 more particularly, and each pipe F has communication by a separate and independent opening, G, in the top of the Serial No. 251,631. (No m0del.).
casing B with the chamber D, and also communicates with the interior of its respective tube A.
H is a pipe attached to the bottom of the casing and having communication with the chamber D, and leading to and having communication with any suitable operating-bellows or air-motor, by the operation of which air is forced through the chamber D, pipe F, and through the desired pneumatic tube A for the transmission of a carrier or other article therethrough when desired.
At each of the openings G is a valve, J, hinged at a within the chamber D, arranged and adapted to cover and close said opening G and to be swung on its hinge a to uncover or open said opening, as shown, respectively, in Figs. 2 and l, so that the air from the operating-bellows or other air-motor can be shut out of or enter the pipe F, as desired. The shaft or pivot-a of each valve J extends horizontally through the partition E into the cham! ber C, where it has attached to its outer end a bar or arm, K. In the end of this arm K is a longitudinal slot, b, in which engages a cross-pin, d, in the lower ,end of a vertical rod, L, which rod extends up through an opening, f, in the top of the box B, alongside of its respective pneumatic tube A.
Attached to the back end of the valve-arm K is one end ot' a spiral spring, g, secured by its other end to the partition E at h, the tension of which keeps the valve J closed upon its seat at all times except when otherwise operated upon. 'lhe front part of each pneumatic tube is cut away longitudinally, as shown, sufiiciently to make an opening, M, in the front side of the tube for the insertion ot' and removal from the pneumatic tube of the carrier or other article.
N is a short piece of tubing closelyv encircling the pneumatic tube, but yet loose enough so that it can freely slide up and down there on. This tubingI l\' is the door or cover to the opening' M, and when moved down, as shown at m, Figs. l and I, closes said opening, and
.when up, as shown at n, Figs. l, 2, and 3,
opens said opening. The back part of the lower end of this tube or cover N is cut away, as at fr, to allow it to slide down past the p0rtion t of the pipe F.
Attached to each side of each door N by one end, at u, is a spiral spring, P, which springs at their upper ends are attached to the tube A, as at n, the ten sion of which springs keeps each door or cover up against its respective shoulder w on the tube A, and thus the opening M to the tube A free and open at all times, except when otherwise operated upon.
Q is a spring, preferably made of springwire doubled upon itself, its lends being coiled around a bar, y, secured to' the pipe F and bent in the form shown, or substantially so, so that its bulging or curved portion R will project into the pneumatic tube, as shown in Fig. 4 more particularly.
S are several pieces of carpeting, having above them a thick piece of felt, T, which are placed in the tube A and rest upon the bottom a.
The operation of the apparatus is as follows: The carrier or other article to be transmitted through atube, A, is placed within the tube at the opening M, and then the cover or door moved down into the position shownat fm, Figs. l and 4, and as it moves down its shoulder U strikes against the upper end of the rod L and presses it down, and through its connection with the valve-arm K, as de-V scribed, causes the valve J to open, as shown in Fig. Zl. The door now being held closed,the operating-bellows or other air-motor is operated, which forces air through the opening G into pipe F, and thence into the tube A under the carrier placed therein, and forces it along and through the tube A to and delivers it at the other end of the tube through another or i similar opening, M, at such end. As the carrier is sent back through the tube and is received at one of the tubes A at the central station, it strikes against the cushion of carpeting and felt in the bottom of the tube A and vrebounds within the tube and then falls therein, but with such reduced momentum that when it then comes opposite to the opening M it will strike against the spring Q and be forced out through the opening M, when it will drop quietly upon the table in front of the tube.
The spring Q should preferably be made light, so that when the carrier first arrives at the opening M its power will not be suiicient to prevent the carrier passing by it to and striking against the' cushion, as the spring only needs sufficient power to act upon the carrier after its rebound from the cushion when it has lost host, if not all, of its momentum, and practically only has that derived from the distance it falls after its rebound.
As usual in pneumatic-tube cash-carrier aplparatus the carrier is delivered from the tube onto the table with,rnore or less of the full momentum impartedl to it b y the airmotor and its travel along the tube, and to receive the carrier at such place various devices and arrangements have been constructed and used to overcome the momentum of and stop the carrier quietly and easily; but they are all more or less objectionable. ln the present invention the receiving-cushion and the rebound of the carrier are all within the tube, so that after the rebound of the carrier, which will only be a short distance in the tube, it will fall by the aid of the spring Q out of the opening M onto the table with a very light blow.
To prevent the Vcarrier Vpassing down the pipe F, a wire, V, is secured in front of said pipe in a vertical line, which wire is between the two arms of the spring Q, and serves also as a guide to its movements and to prevent its being pushed out of place. The spring Q, being made of wire, takes up but little room and does not interfere with the air passing to the tube from the pipe F. lt also assists to hold the carrier up when it is inserted into the tube for transmission, as shown at W' in dotted lines, Fig. 4, so that the air will pass under it for its proper action thereon in start ing it through the tube. The valve J does not need to be used at the single. station or sales-counter, it only being necessary at the cashiers desk or central station, where anumber of tubes terminate and communicate with the air-motor, in order that only the tube being used shall be in communication with the air-motor. The valves are closed and the doors M open at all times, except when the carrier is being transmittedv from its end of the tube.
Any suitable valve, J, can be used and arranged to operate in any suitable manner, this invention not being limited to the valve and its connections shown; also, any suitable spring, Q, can be used back of the openingM and arranged in any suitable manner for op- .IOO
IIO
eration, as described, upon the carrier without departing from this invention; but the one shown and described is simple, cheap, and practical.
The sliding door N, in lieu of being of tube form and extending around the tube A, need only extend around the tube sufliciently to surely cover the opening M and be arranged to slide up and down in grooves or guideways on the tube A, or have narrow strips, &c., extend around the tube to keep it in place; also, the cushion can be made entirely of felt or of carpeting; or it can be made of any iibrousmaterial of a similar nature-such as leather or india-rubber-or it can be dispensed with altogether, the carrier striking on the bottom of the tube; but it is preferable to have a cushion of some sort, and that a more or less yielding one, to break the force of the blow of the carrier as it strikes it.
Having thus described my invention, what I claim is 1. The combination, with a pneumatic tube for-transmission therethrough of a carrier or other article, provided With an opening` in the for transmission therethrough of a carrier or other article, provided with an opening in the side of said tube for the insertion and removal of the carrier or other article, and a door or covering` to said opening adapted to slide up and down over said openin g, of a valve adapted to open and close said tube to the air from the operating-bellows or other air-motor and arranged to be operated by the sliding door as it moves to close or open the opening in said tube.
3. The combination, with a pneumatic tube for the transmission therethrough of a carrier or other article, provided with an opening for the insertion and removal of a carrier or other article, and a spring in the tube opposite to said opening, of a cushion composed of iibrous material located in said tube for the carrier to strike upon, for the purpose specified.
4. The combination, With a pneumatic tube for the transmission therethrough of a carrier or other article, provided with an opening for the insertion and removal of a carrier or other article, and a covering or door to said opening adapted to slide up and down over said opening, provided with a shoulder, of a valve adapted to open and close said tube to the air from the operating-bellows or other air-motor having an arm arranged in position for the shoulder of said door to abut against and operate said valve, substantially as and for theA purpose specified.
In testimony Whereot- I have hereunto set my hand in the presence of two subscribing witnesses.
MARTIN BARRI.
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