US554824A - Lawn-rake - Google Patents

Lawn-rake Download PDF

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Publication number
US554824A
US554824A US554824DA US554824A US 554824 A US554824 A US 554824A US 554824D A US554824D A US 554824DA US 554824 A US554824 A US 554824A
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Prior art keywords
head
rake
teeth
lawn
socket
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D7/00—Rakes
    • A01D7/06—Rakes with tines specially shaped or attached
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
    • F16B7/048—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof

Definitions

  • My invention relates to improvements in lawn-rakes; and it consists in certain features of construction and combination of parts, as will be hereinafter described and claimed.
  • Figure 1 of the accompanying drawings is a view in perspective of my invention.
  • Fig. 2 is a cross-section through the head and one prong of the handle-socket on a line from so i to as.
  • Fig. 3 is a cross-section of the head on a line from 2 to z.
  • the particular feature of my invention relates to the formation of the rake-head A, as heretofore constructed, in simple U form or from channel-iron.
  • a rake-head A made or stamped from suitable sheet metal, having parallel sides a a and a connecting end or bottom portion formed on transverse curves having summits b b 'b and valleys d d d, the valleys touching a line drawn from 2 to 2, showing that the central portion of the metal has been moved bodily inside of the inner face of the side valleys 61', thus forming a truss in the line to resist torsional strain on the head, as hereinbefore mentioned.
  • the sides a, a are provided with series of coinciding apertures e, in which are placed U-shaped teeth 13, the end portions of which are bent forward or transverse the head, as shown.
  • the apertures 6 may be placed a dis tance in advance of the rear face of the curve I), and when the teeth are pressed in the front side will bind hard against the rear face I) of the rake-head, in which position when the rake-head is tinned or passed through the process of tinning the teeth become firmly soldered to the rear face of the curved portion I) of the head, as shown in Fig. 3.
  • the handle 0 is secured to the head by a socket D, having bifurcated prongs E, that embrace the head.
  • a rearward projection is, that takes between the corrugations or curves 1) b in the valley cl against the front face of the head, as shown.
  • a screw-bolt m is passed through the end portions h through the end portions h through the end portions h through the end portions h through the end portions h through the end portions h is passed a screw-bolt m at the rear of the sides a, by which the socket D is secured to the head.
  • the socket and handle may be removed, the rakes nested, and the handles bundled, thereby reducing the bulk and cost of transportation.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Transplanting Machines (AREA)

Description

F. E. KOHLER.
LAWN RAKE.
Patented Feb. 18, 1896.
(No Model.)
UNITED STATES FREDERICK E. KOHLER, OF CANTON, OHIO.
LAWN-RAKE.
SPECIFICATION forming part of Letters Patent No. 554,824, dated February 18, 1896.
Application filed November 26, 1894. Renewed January 6, 1896. Serial No. 574,559. (No model.)
To all whom it may concern.-
Be it known that I, FREDERICK E. KOHLER, a citizen of the United States, and a resident of Canton, county of Stark, State of Ohio, have invented a new and useful Improvement in Lawn-Rakes, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, making part of this specification.
My invention relates to improvements in lawn-rakes; and it consists in certain features of construction and combination of parts, as will be hereinafter described and claimed.
Figure 1 of the accompanying drawings is a view in perspective of my invention. Fig. 2 is a cross-section through the head and one prong of the handle-socket on a line from so i to as. Fig. 3 is a cross-section of the head on a line from 2 to z.
The particular feature of my invention relates to the formation of the rake-head A, as heretofore constructed, in simple U form or from channel-iron. There hasbeen a lack of rigidity or ability to resist torsional strain when the teeth at the end portions of the head are resisted by engagement with the sward or other resistance, and to provide against twisting of the head, as before stated, I have provided a rake-head A, made or stamped from suitable sheet metal, having parallel sides a a and a connecting end or bottom portion formed on transverse curves having summits b b 'b and valleys d d d, the valleys touching a line drawn from 2 to 2, showing that the central portion of the metal has been moved bodily inside of the inner face of the side valleys 61', thus forming a truss in the line to resist torsional strain on the head, as hereinbefore mentioned.
The sides a, a are provided with series of coinciding apertures e, in which are placed U-shaped teeth 13, the end portions of which are bent forward or transverse the head, as shown.
As a means of securing the teeth 13 in the head, the apertures 6 may be placed a dis tance in advance of the rear face of the curve I), and when the teeth are pressed in the front side will bind hard against the rear face I) of the rake-head, in which position when the rake-head is tinned or passed through the process of tinning the teeth become firmly soldered to the rear face of the curved portion I) of the head, as shown in Fig. 3.
The handle 0 is secured to the head by a socket D, having bifurcated prongs E, that embrace the head. On the rear face of the prongs E and between the fingers h is provided a rearward projection is, that takes between the corrugations or curves 1) b in the valley cl against the front face of the head, as shown. Through the end portions h is passed a screw-bolt m at the rear of the sides a, by which the socket D is secured to the head.
For shipping, the socket and handle may be removed, the rakes nested, and the handles bundled, thereby reducing the bulk and cost of transportation.
Having thus fully described the nature and object of my invention, what I claim is- 1. The combination, in a rake, of a U- shaped head, made of sheet metal, having parallel top and bottom portions, provided with a series of coinciding apertures to receive teeth, a corrugated side portion, teeth passed through said apertures and bent transverse the head, and a handle-socket adapted to embrace the head and provided with projections which take in and connect with said corrugated side, substantially as described.
2. The combination, in a rake, of a U- shaped head, made of sheet metal, having parallel top and bottom sides, provided with series of coinciding apertures to receive teeth, a corrugated side, teeth passed through the head and bent transversely forward, and a handle socket having bifurcated prongs adapted to embrace the head and ribs to take into the corrugations, substantially as described.
3. The combination in a rake of the U- shaped head, having parallel top and bottom sides, provided with series of perforations to receive the teeth, and a corrugated side, the rear face of the central depression to engage and hold the teeth in position, and a handlesocket, substantially as described.
In testimony whereof I have hereunto set my hand this 13th day of November, A. D.
FREDERICK E. KOHLER. Witnesses:
W. K. MILLER, Cans. R. MILLER.
US554824D Lawn-rake Expired - Lifetime US554824A (en)

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