An Improved Brake for Self-acting Inclined Planes.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
An Improved Brake for Self-acting Inclined Planes.
I, HEINRICH BOCKMANN, Master-Smith, of Gladbeck, in Westphalia, do hereby
declare the nature of this invention to be as follows:-
In self-acting inclined planes," the weight of the loaded car hauls the empty
one up. The rope connecting the two cars is passed over a pulley which is
shifted further on as the inclined plane advances. In order to increase the
lightness of the apparatus the following arrangement is made:-
The rope pulley is borne in a fork which pivots on a hook, so that the whole
apparatus is capable of following the oscillations of the rope. The lateral margins
(or flanges) of the groove for the rope are made broad so that the brake block
may find a good bearing surface on them. The brake block is fastened to a
brake bow or strap, which can be tightened up by a bent-lever. The bent-lever
pivots on a certain point on the fork supporting the pulley. The free end of
the bent-lever is loaded with a weight which forces the brake block against the
pulley, so that the whole installation can only be brought into action by lifting
the weight.
Dated this 9th day of November 1897
An Improved Brake for Self-acting Inclined Planes,
I, HEINRICH BOCKMANN, Master-Smith, of Gladbeck, in Westphalia, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:-
The subject matter of the present invention is a brake arrangement for mines,
in which the rope-wheel and brake wheel are combined in one wheel and the sus-
pension arrangement is such as to permit the apparatus to follow the oscillations
of the hauling rope.
In the annexed drawing:-
Fig. 1 shows a plan of the arrangement, and
Fig. 2 a side elevation.
The rope and brake wheel A, is borne in a fork or pair of shafts B, carrying on
the one hand the hook C for the suspension of the brake arrangement, and on
the other hand a guide D, in which the bell-crank or angle lever E, F, revolves.
[Price 8d.l

page_text: The bell-crank lever E, F, is loaded on its longer free arm E, with a weight G,
which by means of the other lever arm F, causes the brake-bow or hoop H, to
bear with the brake-block I, against the periphery of the wheel A, when in a
position of rest. Wheel A, has a groove a¹, into which the hauling rope K, is
inserted while the brake-block I, bears against the peripheral surfaces a³, a³.
Hook C, is arranged so as to revolve freely on a pivot in shafts B, in order that
the whole apparatus may be able to follow the oscillations of hauling rope K.
However, a limit is set to these oscillations by feet L, arranged on shafts B.
The arrangement just described serves the following purpose. Rope K, by
means of which the loaded car hauls up the empty car, can never slip off wheel A,
because the brake-block I, covers the rope groove a¹. The brake is always in
action and hauling can only take place while the loaded lever E, is raised. The
whole appliance is exceedingly light thanks to its simple construction, so that
one man can easily convey it elsewhere as the hauling gallery progresses, and
erect it in position, one stanchion S, sufficing for fastening.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is:-
An improved brake for mines, characterised by the arrangement of a rope
wheel at the same time serving as brake wheel A, in which the brake block I,
which covers the groove a', for the hauling rope K, prevents the hauling
rope K, from gliding off the wheel, and which is suspended on a revolving hook C,
so as to enable the whole arrangement to follow the oscillations of the rope.
Dated this 9th day of August 1898.
J. E. EVANS-JACKSON & Co.,
Agents for the Applicant.