Year: 1888

page_text: Date of Application, 27th June, 1888
Complete Specification Left, 1st Feb., 1889
Complete Specification Accepted, 6th Apr., 1889
We EUGENE JOSEPH ALPHONSE LETELLIER, and CESAIRE GRANDIN, both of 4 Rue
de Rome, Paris, France, Engineers, do hereby declare the nature of this invention to
be as follows :-
This invention relates to the employment in connection with suction dredging
apparatus of a tool of suitable shape, designed to loosen or disintegrate the ground
being operated upon.
An example of apparatus according to this invention is illustrated in the annexed
drawings, Fig. 1, being an elevation of the improved tool or disintegrator (hereinafter
referred to as the "disintegrating tool") applied to the suction pipe of a sand pump,
Fig. 2. a side elevation, Figs. 3 and 4 views shewing details of the means adopted for
transmitting motion to the disintegrating tool and Figs. 5 and 6 detail views of the
disintegrating tool.
A is a bar pivotted at B upon an arm fixed to the vessel carrying the apparatus and
operated at its upper part by a rod having an alternate rectilinear movement.
For this purpose the bar A terminates at its upper part in a loop or slotted link in
which the jointing shaft of the controlling rod can slide. The lower portion
terminates in a large link C. D is a transmitting shaft resting above the suction tube.
E is a joint piece consisting of two parts a & b, a being fixed upon the shaft D, and b
carrying a stud capable of sliding in the link of the bar A.
The two parts a & bare jointed in a plane vertical to the transmitting shaft, D.
Therefore when this shaft is in a definite position, the part E, consisting of the
parts a and b, forms an absolutely rigid piece which oscillates about the shaft D and
communicates to it the alternating movement which it receives from the bar A.
If during working the suction pipe of the pump has to be raised or lowered, the
part E follows the movement by bending or opening about the axis of its joint which
will be exactly parallel to the axis of the joint of the suction pipe.
It will be understood that the pipe having been brought to the desired position the
part E will again act as a rigid piece and so on as regards each succeeding position
that is taken un

page_text: F, is the disintegrating tool; in the example shown it is in the shape of a fork but
it may be of any other suitable form. It is fixed upon the shaft D from which it
receives an alternating motion causing it to scratch or rako up the soil in front of
the mouth of the suction pipe so as to break up conglomerations which may be met
with.
•
GH are chains serving to raise the suction pipe.

page_text: We EUGÈNE JOSEPH ALPHONSE LETELLIER and CESAIRE GRANDIN both of 4 Rue
de Rome, Paris, France, Engineers do hereby declare the nature of this invention,
and in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement :-
This Invention relates to the employment in connection with suction dredging
apparatus of a tool of suitable shape designed to loosen or disintegrate the ground
being operated upon.
Apparatus according to this invention is illustrated in the drawings filed with our
provisional Specification Figure 1 being an elevation of the improved tool or
disintegrator (hereinafter referred to as the "disintegrating tool ") applied to the suction
pipe of a sand pump.
Figure 2 a side elevation.
Figures 3 and 4 views shewing details of the means adopted for transmitting
motion to the disintegrating tool, and Figures 5 and 6 detail views of the
disintegrating tool.
A is a bar pivotted at B upon an arm fixed to the vessel carrying the apparatus and
operated at its upper part by a rod having an alternate rectilinear movement.
For this purpose the bar A terminates at its upper part in a loop or slotted link in
which the jointing shaft of the controlling rod can slide. The lower portion terminates
in a large link C
D is a transmitting shaft resting above the suction tube.
E is a joint piece consisting of two parts a and b. a being fixed upon the shaft D
and 6 carrying a stud capable of sliding in the link C of the bar A.
The two parts a and b are jointed in a plane vertical to the transmitting shaft D.
Therefore when this shaft is in a definite position the part E consisting of the parts a
and forms an absolutely rigid piece which oscillates about the shaft D and com-
municates to it the alternating movement which it receives from the bar A.
If during working the suction pipe of the pump has to be raised or lowered, the
part E follows the movement by bending or opening about the axis of its joint which
will be exactly parallel to the axis of the joint of the suction pipe.
It will be understood that the pipe having been brought to the desired position the
part E will again act as a rigid piece and so on as regards each succeeding position
that is taken up.
F is the disintegrating tool; in the example shewn it is in the shape of a fork, but
it may be of any other suitable form. It is fixed upon the shaft 1) from which it
receives an alternating motion causing it to scratch or rake up the soil in front of the
mouth of the suction pipe so as to break up conglomerations which may be met
with.
Chaine serving to raise the suction rive

page_text: Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed we declare that what we
claim is :-
1. In combination with a sand pump or suction dredger a disintegrating tool
designed to disintegrate the ground before the mouth of the suction pipe substantially
as described.
2. In a sand pump or suction dredger the combination with a disintegrating tool of
the lover A, the joint picco E and shaft D as described and illustrated.
3. The disintegrating tool arranged and operated in front of the mouth of the tube
of a suction dredge substantially as described with reference to the drawings.
Dated this 1st day of February 1889.
EUGENE JOSEPH ALPHONSE LETELLIER,
Per L. W.
CESAIRE GRANDIN,
Per L. W.