US124170A - Improvement in means of attaching propellers to vessels - Google Patents

Improvement in means of attaching propellers to vessels Download PDF

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Publication number
US124170A
US124170A US124170DA US124170A US 124170 A US124170 A US 124170A US 124170D A US124170D A US 124170DA US 124170 A US124170 A US 124170A
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vessels
vessel
propeller
propellers
improvement
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H5/00Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/08Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller

Definitions

  • drawing- Figure 1 represents a sectional view of a vessel with my invention, the line 00 w, Fig.2, indicating the plane of section.
  • Fig. 2 is a plan or top view of the same.
  • Fig. 3 is a horizontal section in the plane y y, Fig. 1.
  • Fig. 4 is a vertical section in the plane 2 2, Fig. 1.
  • This invention relates to a screw-propeller, which is mounted in such a manner that it can be attached to the side of a vessel, and
  • the bed-plate which supports the pillow-blocks of the propeller-shaft, is provided with dovetailed lugs to catch in corresponding cavities in the vessels side, and from said bedplate rise standards connecting with dovetailed slides, which catch in corresponding guides attached to the vessels side in such a manner that said bed-plate, together with the parts connected to it, can be readily attached to or detached from the vessels side.
  • the propeller-shaft carries two cranks set at an angle of ninety degrees to each other, and these cranks connect with a double crankshaft, to which a revolving motion is imparted from the engine, and which has its hearings in standards mounted on the deck, and projecting over the side of the vessel.
  • the letter A designates a vessel of any suitable construction, though it must be remarked that my propeller is intended particularly for the purpose of propelling sailing-vessels in calms, or to serve as a substitute for a tug in bringing the vessel up to her dock in a harbor.
  • a steam-boiler, B which furnishes steam to drive an engine, the crank shaft to of which connects by rods 1) with a corresponding double crank-shaft, c, mounted in standards (1, which project over the side of the vessel.
  • the cranks of the shaft 0 connect by rods 6 with corresponding cranks ff on the propeller-shaft g, which has its bearings in pillow-blocks it, supported by the bed-plate i.
  • the cranks of all the shafts are set at angles of ninety degrees toward each other, so that the dead-points of one set of cranks are overcome by the action of the other set.
  • the bedplate 6 is provided with dovetailed lugs j, (see Fig. 3,) which project from its inner edge, and which can be made to catch in corresponding cavities 7c in the side of the vessel; and from the bed-plate rise inverted V-shaped standards l, which support dovetailed slides m, intended to engage with guides a attached to the sides of the vessel.
  • the bed-plate By disconnecting the rods 6 from the cranks of the shaft 0, the bed-plate, together with all the machinery attached to it, can be readily raised and disengaged from the vessel when the propeller is not required; and if the vessel is going under sail, it is thus relieved from dragging the propeller in the water. If the vessel is becalmed, or if she enters a harbor, the bed-plate tis readily attached to the vessels side, and the propeller can be connected to the engine and started with little loss of time.
  • two propellers may be attached to the vessel, one to each side; but in most cases one propeller will be sufficient.
  • propeller-frame consisting of the bedplate 2', lugs j, standards I, and sides m, with cavities or catches on the side of a vessel, whereby a propeller may be readily attached and detached, as and for the purpose set forth.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Soil Working Implements (AREA)

Description

GEORGE SMITH. improvement in Attaching Propellersto Vessels.
No. 124,170, Patented Feb. 27, 1s72.
HY b F/GA- 1M. Fnam-umaamnim an. IV. V mum/51 Pawns] UNITED STATES PATENT QFFICE.
GEORGE SMITH, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN MEANS OF ATTACHING PROPELLERS TO VESSELS.
Specification forming part of Letters Patent No. 124,170, dated February 27, 1872.
To all whom it may concern:
Be it known that I, GEORGE SMITH, of Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented a new and useful Improvement in Propellers;
and I do hereby declare the following to be av full, clear, and exact description thereof, which will enable those skilled in the art to make and use the same, reference being had to the accompanying drawing forming part of this specification, in which drawing- Figure 1 represents a sectional view of a vessel with my invention, the line 00 w, Fig.2, indicating the plane of section. Fig. 2 is a plan or top view of the same. Fig. 3 is a horizontal section in the plane y y, Fig. 1. Fig. 4 is a vertical section in the plane 2 2, Fig. 1.
Similar letters indicate corresponding parts.
This invention relates to a screw-propeller, which is mounted in such a manner that it can be attached to the side of a vessel, and
' connected with an engine situated on the deck,
or in any convenient position; and if the propeller is not needed, it can be readily detached from the engine, and removed from the side of the vessel, so as not to impede the vessels progress. The bed-plate, which supports the pillow-blocks of the propeller-shaft, is provided with dovetailed lugs to catch in corresponding cavities in the vessels side, and from said bedplate rise standards connecting with dovetailed slides, which catch in corresponding guides attached to the vessels side in such a manner that said bed-plate, together with the parts connected to it, can be readily attached to or detached from the vessels side. The propeller-shaft carries two cranks set at an angle of ninety degrees to each other, and these cranks connect with a double crankshaft, to which a revolving motion is imparted from the engine, and which has its hearings in standards mounted on the deck, and projecting over the side of the vessel.
In the drawing, the letter A designates a vessel of any suitable construction, though it must be remarked that my propeller is intended particularly for the purpose of propelling sailing-vessels in calms, or to serve as a substitute for a tug in bringing the vessel up to her dock in a harbor. On the deck of this vessel is placed a steam-boiler, B, which furnishes steam to drive an engine, the crank shaft to of which connects by rods 1) with a corresponding double crank-shaft, c, mounted in standards (1, which project over the side of the vessel. The cranks of the shaft 0 connect by rods 6 with corresponding cranks ff on the propeller-shaft g, which has its bearings in pillow-blocks it, supported by the bed-plate i. The cranks of all the shafts are set at angles of ninety degrees toward each other, so that the dead-points of one set of cranks are overcome by the action of the other set. The bedplate 6 is provided with dovetailed lugs j, (see Fig. 3,) which project from its inner edge, and which can be made to catch in corresponding cavities 7c in the side of the vessel; and from the bed-plate rise inverted V-shaped standards l, which support dovetailed slides m, intended to engage with guides a attached to the sides of the vessel.
By disconnecting the rods 6 from the cranks of the shaft 0, the bed-plate, together with all the machinery attached to it, can be readily raised and disengaged from the vessel when the propeller is not required; and if the vessel is going under sail, it is thus relieved from dragging the propeller in the water. If the vessel is becalmed, or if she enters a harbor, the bed-plate tis readily attached to the vessels side, and the propeller can be connected to the engine and started with little loss of time.
If desired, two propellers may be attached to the vessel, one to each side; but in most cases one propeller will be sufficient.
The construction of the propeller itself forms no part of my invention, and I reserve the right to use a propeller of any approved con struction. 7
What I claim as new, and desire to secure by Letters Patent, is
The combination, substantially as described, of the propeller-frame, consisting of the bedplate 2', lugs j, standards I, and sides m, with cavities or catches on the side of a vessel, whereby a propeller may be readily attached and detached, as and for the purpose set forth.
US124170D Improvement in means of attaching propellers to vessels Expired - Lifetime US124170A (en)

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