AN IMPROVED AWNING OR COVERING FOR VEHICLES AND OTHER PURPOSES, AND MEANS FOR WORKING THE SAME
Year: 1872

page_text: PROVISIONAL SPECIFICATION left by Henry Woodcroft Hammond at
the Office of the Commissioners of Patents, with his Petition, on
the 28th February 1872.-A communication from Pierre Joseph
Petot and Nicolas Salmon, residing at Paris, in the Republic of
France.
I, HENRY WOODCROFT HAMMOND, of 27, Southampton Buildings,
Chancery Lane, London, Engineer, do hereby declare the nature of
the said Invention for "AN IMPROVED AWNING OR COVERING FOR VEHICLES
AND OTHER PURPOSES, AND MEANS FOR WORKING THE SAME," a communication
to me from Pierre Joseph Petot and Nicolas Salmon, two persons
resident at Paris, in the Republic of France, to be as follows:-
This Invention consists in a system of moveable awning or covering
applicable to vehicles or other purposes, allowing the cloth or awning to
be mecanically developed or rolled according as it is desired to obtain
or to suppress the shelter.
This system is composed of two vertical frames, each of which is
fixed at the extremity of a vehicle for instance, and both united at

page_text: .
their superior part by a moveable roller bearing the simple or double
awning. At each extremity of this roller are keyed three pulleys,
upon one of which is rolled a rope or a handle chain (as the two
frames are symmetrically provided with the similar pieces, I will describe
but one); by pulling the handle the roller turns and the awnings develop
themselves. Upon the periphery of each of the two other pulleys is
attached the extremity of another rope or chain which passes round
a loose pulley situated at the inferior part of the frame, and one of the
bits of which is fastened in its line to a bolt which slides in a vertical
groove made in the frame; this rope or chain is of a sufficient length to
allow the complete ascent or descent of the bolt by rolling from a
pulley upon the other or vice versa. The moveable bolt is united by
two connecting rods (when double awnings are used) to the extremities
of the rods, to which are fastened the exterior edges of the awnings.
By lowering the bolt in its groove the connecting rods come near the
frame in the same time as the chain bit fastened to one of the two
pulleys and to the bolt unrolls itself, and causes the roller to roll
the awnings and make the shelter disappear. Conversely by pulling
the handle to unwrap the awnings the pulley which bears the bit
fastened to the bolt causes the latter to ascend by rolling the chain, and
the connecting rods to incline.
In order to secure the rigidity of the awnings when they are
unwrapped whatever may be the intensity of wind, the bolt is divided
in two parts united by springs, and the groove in the frame bear
embossments, which delay the ascent of the inferior part of the bolt
by separating it from the superior part which continues going up;
this separation allows certain stop pieces acting as bolts (which are
borne by the inferior part of the connecting rods) to be introduced into
a groove or staple made into the inferior part of the bolt.
When it is required to cover goods the awnings bear buttons in the
form of olives set in at once with an eyelet of a larger diameter, and
which is employed as a guide; by turning those buttons after having
introduced them in button holes of a corresponding form (on the vehicle
or other article) the tie is obtained.