US758043A - Device for lowering life-boats. - Google Patents

Description

J. P. BECKER.

DEVICE FOR LOWERING LII-E BOATS.

APrLIoATIoN HLED un. 1a. 1904.

lo 101m.. K s SHEETS-snm' 1.

- PATENTED APR. 26, 1904.

No. 758,043. PATENTED APR. 26, 1904'. J. P. BECKER.

DEVICE POR LOWERING LIFE BOATS.

APPLIUATIGN FILED un. 1e. 1904. no MODEL. s SHEETS-SHEET 2.

PATENTEE APE. ze, 1904.

J. E. BECKER.

DEVIGE EUR LOWERING LIEE BOATS.

APPLICATION FILED JAN. 18. 1904.

N0 MODEL. 3 SHEETS-SHEET 3.

Patented April 26, 1904.

PATENTy OFFICE.

JULlUS FERDINAND BECKER, OF ELBINGr,` GERMANY.

DEVICE FOR LOWERING LIFE-BOATS.

SPECIFICATION forming part of Letters Patent No. 758,043, dated April 26, 1904. Application filed January 18, 1904. Serial No= 189,570. (No model.)

To all w/wm it may concern.-

Be it known that l, JULIUs FERDINAND BECKER, a citizen of' the free and Hanseatic town of Hamburg, and a resident of 3() Fischerstrasse, Elbing, in the Province of Prussia, German Empire, have invented certain new and useful Improvements in Devices for Lowering Life-Boats, of which the following is an exact specification.

My invention relates to a new and improved hoisting device for life-boats; and it has for its purpose to provide a device by means of which the boats can be easily and quickly lowered, requiring only few people and allowing lowering` on both sidcs'of the hull even when the hull is in an inclined position.

ln order to make my invention more clear, I refer to the accompanying drawings, in which* Figure l is a front view of the whole device. Fi g2 is a diagrammatic view showing the position of several parts. Fig. 3 is a side view of part of the device. Fig. 4 shows 'the lowering of a boat when the ship-hull is inclined. Figs. 5, 6, and 7 are views of' detail parts of the device.

In the drawings, a is the life-boat, which, as shown in Figs. l and 3, is suspended by davits which project only slightly.

cis a pulley-block suspended by the davits 7;.

(Z, Figs. 3 to 7, is a sister-block provided with two pulleys, situated one behind the other. The sister-block d is situated in the fork-shaped end of a boom e, which can be turned around its end f, Figs. l, 2, and 3, in the horizontal as well as in the vertical direction. The sisterblock Z is connected by means of a hook g, Figs. 5 to 7 with a pulleyblock c'. The booms are not quite vertical,`

but are inclined somewhat (about eight degrecs) outward. If the rope t, passing around the pulleys of the blocks c c', is loosened, the boat, which is suspended to the pulley-blocks c', can be lowered, and in consequence of the arrangement of the booms e the boat will, even if the ship-hull is in an inclined position, swing outward during the lowering. 1f the booms are in the horizontal position, the boat is situated at the greatest distance from the heads.

ship-hull. Shortly before it arrives in this position the hook g, which is fixed to the boom c and which serves for holding `the pulleyblock c in position, is automatically detached from the pulley-block c by means of' a rope "i, which, as shown in the drawings, is fixed at one end to this hook and at the othcrend to the boom c. The life-boat can then be lowered, as may be seen from Fig. 7 It will be understood that the hook g may also be released by hand.

By the arrangement of the booms e the boat is lowered at a greater distance from the shiphull than is the case with the ordinary devices, and it is not necessary for the boat to be shifted outward, as this movement is effected automatically by the swinging out of the booms. Even when the ship-hull is situated in an inclined position, as shown in Fig. 4L, the boat can be freely lowered from the higher side of thc deck. By this new arrangement even boats suspended more toward the middle of the deck, as shown in theright-hand side of Fig. 4, can be easily lowered. .The booms may also be used as so-called coaling-booms7 for loading coal, as well as for loading or unloading smaller loads.

For fixing the boat in the normal position to the deck a ladder m may be used, enabling the boat to be easily entered.

As will be seen from Figs. l and 3, the boat is suspended to the pulley-blocks c by means of hooks a, Figs. 5 and 6, fixed to ropes in, which are situated on both sides of the floor- The ropes are lixed, by means of suitable devices 0, at different places to the ship-hull. The boat, which on account of the small projection of the davits must be suspended at its extreme ends, is thus considerably strengthened.

Having thus fully described the nature of' my invention, what I desire to secure by Letters Patent of the United States, is-- l. In a device for lowering life-boats, the combination of davits I), a pulley-block c suspended by each davit 1b, pulley-blocks c', a boat suspended by the pulley-blocks c', ropes 7L passing round the pulleys of each pair of blocks c and c', booms e turnable around their ends f and inclined somewhat outward in the -normal position -of the boat, a sister-block CZ fixed to each boom, said sister-block being provided with pulleys for guiding the ropes L and hooks g for suspending the blocks c to the sister-blocks OZ, substantially as described and for the purpose set forth.

2.- In a device for lowering life-boats, the combination of davits a pulley-block c suspended by each davit b, pulley-blocks c', a boat suspended by the pulley-blocks c', ropes it passing round the pulleys of each pair of blocks c land c', booms e turnable around their ends f and inclinedsomewhat outward in the normal position of the boat, a sister-block d fixed to each boom, said sister-block being provided with pulleys for guiding the ropes L, hooks g for suspending the blocks c to the sisterblocks d, and means for automatically releasing said hooks during the swinging downward of the booms e, substantially as described for the purpose set forth.

3. In a device for lowering life-boats, the combination of davits a pulley-block c suspended by each davit I), pulley-blocks c', a boat suspended by the pulley-blocks c. ropes is situated on both sides of the floor-head of the boat, hooks n, for suspending the boat to the pulley-blocks c, said hooks being fixed to the ropes le, ropes la passing around the pulleys of each pair of blocks c and 0, booms e turnable around their ends f and inclined somewhat outward in the normal position of the boat, a sister-block 0l {ixed to each boom, said sister-block being provided with pulleys for guiding the ropes /L and hooks g for sus pending the blocks c to the sister-blocksd,

substantially as described and for the purpose set forth. l

4. In a device for lowering life-boats, the combination of davits b, a pulley-block c sus-V pended to each davit b, pulley-blocks o', ropes 72, passing round the pulleys of each pair of blocks c and c', booms e turnable around the ends fand inclined somewhat outward in the normal position of the boat, a sister-block OZ fixed to each boom, said sister-block being provided with pulleys for guiding the ropes la, hooks g for suspending the blocks c to the sister-blocks d, and a ladder m for fixing the boat in the normal position, substantially as described and for the purpose set forth.

5. In a device for lowering life-boats, the combination of davits I), a pulley-block c suspended by each davit pulley-block c', a boat suspended by the pulley-blocksc, ropes passing around the pulleys of each pair of blocks c and c, booms e turnable around their ends f and inclined somewhat outward in the normal position of the boat, a sister-block d fixed to each boom, said sister-block being provided with pulleys for guiding the ropes 7L, hooks g for suspending the blocks c to the sisterblocks 0l, and ropes fixed to the booms e and to the hooks g, substantially as described and for the purpose set forth.

In testimony whereof1 I have signed my name to this specification in the presence of two subscribing witnesses.

.IULIUS FERDINAND BECKER.

Witnesses:

VVOLDEMAR HAUPT, v HENRY HAsrER.

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