Hydraulic Swivel Page: 3 of 3
[1], 2 p. : ill. ; 23 cm.View a full description of this patent.
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800,185
.T and carries a suitable union or couplingX, said block, a collar surrounding said swivel-
adapted to receive any preferred form of sup- stern, a similar.collar spaced above the first-
ply-hose Y. mentioned collar, atifriction means inter-
The operation of our improved device is as posed between said collars all within said truri-
5 follows: The bail A, being supported by, any .nion-block and ahead secured to said trunnion- 45
preferred tackle carried by a suitable derrick, -block and entirely inclosing said collars and
supports the elements carried by the trun- antifriction means.
nion-block, and the parts are brought into 2. In a hydraulic swivel, the combination
line. with the section of the well-boring tube, with a .suitable support, of a swivel-stem, a
[o The casing-bushing on the lower end of swivel- collar surround ing the sarne,a collar carried by 0
stem D is connected to a joint of casing, and said stem, antifriction-bearings interposed be-
the said section of casing, together with the tween said collars, a solid collar on said swivel-
improved swivdJ, is raised to a vertical posi- stern forming a bearing for the uppermost
tion and connected with the casing already in collar, all inclosed within a trunnion-block.
15 the well. 'The water may now be. forced 3. A hydraulic swivel, comprising a trun- 55
through the hose connection X, whence it will nion-block, a bail for lifting the same swiv-
find its way down through the swivel-stem D eled thereto, a swivel-stem passing through
and into the casing, down which it passes, said trunnion-block, and-acting also as a hose-
finding exit through holes for the. purpose stem, an annular collar surrounding said
20 fDrhned in the drill-point that is screwed to swivel-stem, a similar collar above the same, 6o
the bottom.end of the string of casing, the both within said trunnion-block, a stufling-
-said casing being given a rotary motion by box surrounding the upper end of said swivel-
any of the well-known means, said casing and stem, antifriction means interposed between
rotating means hot being shown. During op- said .collars, and means'for retaining said col-
25 eration the swivel-stem D, collar K, the jam- lars and antifriction means in position, sub- 65
collar F, and casing-bushing E will revolve stantially as herein specified.
with the casing, to which the parts' are con- 4. .A hydraulic swivel, omprising a swivel-
nected. The collar J, bail A, trunnion-block stem, open at both ends, means for revolubly
C, with all its other connections, including supporting same, a struffing-box surrounding
3o supply-hose connections, will remain station- the upper end thereof, means for closing said 70
ary. It will be apparent that leakage of water stufang-box, and a similar stu fling-box below
from the swivel - stem will be prevented by trunnion-block for retaining oil within said
means of the packing within the stuffing- trunnion-block, substantially as described.
boxes S and H. in testimony whereof we affix our signatures
35 Having thus described our invention, we in presence of two witnesses.
claim as new and desire to secure by Letters .ALEXANDER THOMSON,
Patent-: MALACHA JOSEPH McLAfli11LI N.
1 In a hydraulic swivel, the combination Witnesses:
with a trunnion-block and a bail supporting JAs. R. RILEY.
40 .the same, of a swivel-stem extending through JOSEPH MO.BRAY.
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Thomson, Alexander & McLaughlin, Malacha Joseph. Hydraulic Swivel, patent, September 26, 1905; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth509253/m1/3/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.