US1939003A - Log refloating apparatus - Google Patents

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Dec. 12, 1933. J. A. ELLIS 1,939,003

LOG REFLOATING APPARATUS Filed July 9, 1932 Patented Dec. 12, 192.3 1,939,003

. UNITED: STATES PATENT OFFICE A r i 1,939,003 I Lo'G REFLOATING APPARATUS John Albert Ellis; St; LouisdeCourville, Quebec; Y Canada A Application'luly 9, i932, Serial N 621,636, and

in Canada June'2 7 1932 pling book 14 which-is preferably of the form paratus and it is designed particularly for loosenshown in Fig. 3, where it is provided with two: ing the pulp wood from'jams forming in storage prongs 15, and 16, connected tov each other on ponds. In jams around the edges and in the one side by a plate 17 and on the other side by I relatively shallow parts of mill storage ponds a bar 18. Q. the wood rests on the bottom and sometimes The raising and lowering of the boom is conbecomes piled up as high as twenty-five feet. trolled by a cable 19 passing over a pulley and luextremely difficult and dangerous, besides inon the drum 4. Two connections, arranged in volving very high labour costs. the manner indicated in Fig. 3, are provided be- The arrangement, according to this invention, tween the pulley 20 and grappling hook 14. has been designed to loosen pulp wood jams in In operating the device the drum 2 is first 16 of expense. The apparatus consists essentially 6 and cause the body A to approach the mass or 20 of logs. Mounted on the body is aboom having the logs of the mass, the hook usually being di 3 25 drop into engagement with the mass and then to unwind during this time, and the body is 8 ening the jam. loosened through the action of the grappling The invention may be more clearly understood hOOk- I by reference to the attached drawing in which It w l be s n t at w th a an ment d 8) Fig. 1 is a view indicating the operation of th scribed the body in all its actions is moved without V apparatus; slip, that is, its movement corresponding to one Fig. 2 is a partly sectional longitudinal elevaturn of its engine is the same whether it is free or tion 01 the floating body forming th essential under load. The term without slip serves part 01' th a r tu d therefore to bring out the fact that the power Fig. 3 is a, front elevati n of th grappling source does not work only against water as Q h k, would be the case were the floating body pro- The floating body A has mounted on t an vided with a paddle wheel or the like. engine 1 and cable winding drums 2, 3 and 4 The apparatus of my inventi n may b v while levers 5 are provided for the selective coneasily a Cheaply u ted- ItS use is safe 'trol of the mechanism for connecting these drums nd, Wh n r n by W m e n the floating 5- to an anchor 7 fixed on land. A cable 8 is wound teen men using pike poles. on drum 3 and connected to an anchor 9 in a Various modifications may be made in the insimilar way. To allow easier movement of the vention without departing from the spirit there Wtwo parts in the latter case being connected to on as are imposed by the prior art or are spea vertical plane, and it may, of course, be so 1. In a device for refloating logs from a log pivoted as to permit it to swing sideways also. jam in a body of water, a float, means for posi- 55 Connected to the free end of the boom is a graptively moving said float up to and away from said .9

log jam, a boom pivoted at one end to said float,

a hook member carried at the free end of said boom, means independent of said float operating means for raising the free end of said boom out of engagement with the logs in said jam while said float is moved up to the latter and for then lowering s id boom t 'r s sa d o ith said logs whereby subsequent movement of said float away from said jam will result in said.hook refloating logs from said jam.

2. In a. device for refloating logs from a pile thereof, a pair of spaced anchors,-.a. iloat,. gables connecting said float to said anchors, drum means for taking up and payingoutsaid-cables to move said float up to and away from said pile of logs, a boom pivoted at one end ,tosaid float, a grappling hook mounted at the 'free end ot .said boom, means for raising and lowering the free end of said boom independently of the movement of said float whereby said endmay beraised to clear said pileoi logs" when said float is moved logs iii said pile, said float being then backed -.-\pendent of said' float. operating means away from said pile through operation of said drum means to disengage the logs engaged by said hook from said pile. I

3. In an apparatus for refloating pulp wood logs from a mass thereof jammed in a mill pond, a float disposed in said pond, anchors disposed onoppositesidqs of said pond cables connecting said float to said anchors, drum means on saidfloat for taking up and paying out said cables to move said float up to and away from vsaid mass'of logs, a boom pivoted at one end to said ,float, and having a log engaging hook mounted at the free end thereof, means indefor raisain'g the free end of said boom to clear said logs ,assaidfloat is m ovedup to ,saidmass and for than ,lowering said boom to permit said hook to be engaged with logs on subsequent movement of said float away from said mass of logs will result in refloating from said mass ln the wake' of said float.

JonN ALBERT ELl'lIS.

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