US1001811A - Plasterer's hawk. - Google Patents

Plasterer's hawk. Download PDF

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Publication number
US1001811A
US1001811A US61428111A US1911614281A US1001811A US 1001811 A US1001811 A US 1001811A US 61428111 A US61428111 A US 61428111A US 1911614281 A US1911614281 A US 1911614281A US 1001811 A US1001811 A US 1001811A
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Prior art keywords
hawk
plate
handle
edges
face plate
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Expired - Lifetime
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US61428111A
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Henry E Brunner
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/404—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/06—Implements for applying plaster, insulating material, or the like

Definitions

  • the object of my invention is to provide an implement which is lighter in weight than are any of the plasterers hawks heretofore invented or marketed, yet one that is practical, strong and rigid.
  • My hawk is made throughout of thin sheet metal of peculiar conformation and disposition necessary to the attainment of my object and purpose.
  • Figure 1 is a sectional view with thickness of the metal exaggerated for better illustration.
  • Fig. 2 is a plan view from the lower or handle side.
  • A is a rectangular face plate with reinforcing angles B turned on the edges thereof.
  • Brace plate F is in form a very shallow pyramid with a flattened apex having on its outer edges reinforcing angles G projecting under and secured by angles B on face plate A, and in itscenter having a circular aperture K to fit around and secure handle H as shown.
  • Handle H is cylindrical in form and is preferably closed on the by plate L though said handle may be used with the end open for insertion of a removable handle of wood or other material.
  • a sheet metal plasterers hawk the combination of a face plate having down turned edges, a reinforcing plate having down turned edges and a recessed central aperture, said reinforcing plate being secured to said face plate by means of rivets flush on the plane of said face plate, a brace plate in form of a pyramid with a flattened apex with an aperture in its center and upturned outer edges, said edges engaging and locking under downturned edges of the faceplate, a cylindrical handle projecting through the aperture in the brace plate and the end thereof secured into the aperture in the center of the reinforcing plate.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Paper (AREA)

Description

H. E. BRUNNER.
PLASTERERS HAWK. 7 APPLICATION FILED MAR. 13, 1911.
1,001,811, Patented Aug. 29,1911.
J .7 C B i #E 1 5 a A j E J a 6 Z I 3 Egg. 2.
ZW Z'ineuuem' fnvenion' COLUMBIA PLANOORAPH C0.,wAsH1Nn'r0N. D. c.
HENRY E. BRUNNER, 0F HAYWARD, CALIFORNIA.
PLASTERER S HAWK.
Specification of Letters Patent.
Application filed March 13, 1911.
Patented Aug. 29, 1911.
Serial No. 614,281.
To all whom it may concern:
Be it known that I, HENRY E. BRUNNER, a citizen of the United States, residing at Hayward, in the county of Alameda and State of California, have invented a new and useful Plasterers Hawk, of which the following is a specification.
The object of my invention is to provide an implement which is lighter in weight than are any of the plasterers hawks heretofore invented or marketed, yet one that is practical, strong and rigid.
My hawk is made throughout of thin sheet metal of peculiar conformation and disposition necessary to the attainment of my object and purpose.
I will here note how I difier from and improve upon the metal hawks heretofore invented. In metallic plasterers hawks heretofore invented the face plate is formed of a plate of metal requiring considerable thickness and consequent weight of metal to insure the maintenance of a plane surface and a true alinement of the edges on each side. I obviate undesirable or unnecessary weight by using light thin sheet metal and compensate for the flexibility of the metal by means of reinforcing angles and braces as hereinafter shown and described. Plasterers hawks heretofore invented have had handles made detachable by means of notches and lips or by threaded screw devices. The handle of my hawk is permanently attached to the face plate, but being cylindrical in form may, by leaving the end open, be used as a socket for the insertion of a removable handle if desired by the user.
The accompanying drawings illustrate my invention and in them similar letters refer to similar parts in the several views.
Figure 1 is a sectional view with thickness of the metal exaggerated for better illustration. Fig. 2 is a plan view from the lower or handle side.
In the drawings A is a rectangular face plate with reinforcing angles B turned on the edges thereof.
C is a rectangular reinforcing plate with stifiening angles D, turned on the edges thereof and having a circular recessed aperture I in the center, into which is secured the end of the handle H by means of the annular flange J projecting therefrom as shown. The rivets E secure the reinforcing plate 0 to face plate A and are countersunk to leave the surface of said face plate plane and flush. Brace plate F is in form a very shallow pyramid with a flattened apex having on its outer edges reinforcing angles G projecting under and secured by angles B on face plate A, and in itscenter having a circular aperture K to fit around and secure handle H as shown. Handle H is cylindrical in form and is preferably closed on the by plate L though said handle may be used with the end open for insertion of a removable handle of wood or other material.
I claim:
In a sheet metal plasterers hawk the combination of a face plate having down turned edges, a reinforcing plate having down turned edges and a recessed central aperture, said reinforcing plate being secured to said face plate by means of rivets flush on the plane of said face plate, a brace plate in form of a pyramid with a flattened apex with an aperture in its center and upturned outer edges, said edges engaging and locking under downturned edges of the faceplate, a cylindrical handle projecting through the aperture in the brace plate and the end thereof secured into the aperture in the center of the reinforcing plate.
HENRY E. BRUNNER.
Witnesses:
W. A. HAAR, R. L. BRUNNER.
Copies of this patent may be obtained for five cents each, by addressing the Gommissioner of Patents, Washington, D. 0.
US61428111A 1911-03-13 1911-03-13 Plasterer's hawk. Expired - Lifetime US1001811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US61428111A US1001811A (en) 1911-03-13 1911-03-13 Plasterer's hawk.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61428111A US1001811A (en) 1911-03-13 1911-03-13 Plasterer's hawk.

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US1001811A true US1001811A (en) 1911-08-29

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