Earth working – With drive means for tool or cleaner – Guided by walking attendant
Reexamination Certificate
2001-09-27
2003-11-25
Will, Thomas B. (Department: 3671)
Earth working
With drive means for tool or cleaner
Guided by walking attendant
C024S535000
Reexamination Certificate
active
06651752
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to a tiller, and in particular to a support bracket for use in mounting a handlebar and a skid to the tiller.
2. Description of the Related Art
There have been proposed brackets for use in attaching handlebars and skids to agricultural machines. One example of such brackets is known from Japanese Utility Model Laid-Open Publication No. SHO 58-41103 entitled “HAND-PUSHED AGRICULTURAL MACHINE”.
FIG. 10
hereof shows a bracket of a machine
100
as disclosed in the publication. The machine
100
includes a handlebar
102
extending backwardly and upwardly from a body
101
thereof. The handlebar
102
has an operational handle
103
attached thereto.
The handlebar
102
has a lower mounting member
102
a
positioned at a lower end thereof. The member
102
a
is attached via a bolt
104
to the body
101
. The handlebar
102
has a lower bracket
105
attached to an upper end
102
b
thereof. The lower bracket
105
is mounted to the body
101
by means of a bolt
106
. The handlebar
102
thus arranged extends backwardly from the body
101
of the machine
100
.
The handle
103
has an upper bracket
107
mounted to a lower end
103
a
thereof. The bracket
107
is attached through a bolt
108
to the bracket
105
. This arrangement allows the attachment of the handle
103
to the handlebar
102
.
The bracket
107
has a cylindrical member
109
provided at a rear end thereof. A skid
110
is inserted through the member
109
. The skid
110
is to pierce soil to a selected depth at which tillage tines of the machine
100
are operated.
Mounting the handlebar
102
and the skid
110
to the body
101
of the machine
100
requires the three parts, that is, the lower bracket
105
, the upper bracket
107
, and the cylindrical member
109
.
The machine
100
having as many as three parts is costly to manufacture. The machine
100
thus arranged is complicated in construction.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a support bracket, which can be made using a minimum number of parts, for use with a tiller.
According to an aspect of the present invention, there is provided a support bracket for use in attaching a handlebar and a skid to a body of a tiller, the support bracket comprising: a cylindrical portion sized such that the skid is inserted therethrough; and a receiving portion sized to receive the handlebar; the cylindrical portion and the receiving portion being formed by bending a substantially rectangular single plate in two.
In a preferred form of the present invention, the plate includes: a groove portion formed centrally of the plate, the groove portion extending in a direction substantially perpendicular to a longitudinal direction of the plate; right and left flat plate portions positioned rightwardly and leftwardly of the groove portion, respectively; right and left curved portions extending in substantially parallel to the groove portion, the right curved portion extending outwardly from a right edge of the right flat plate portion, the left curved portion extending outwardly from a left edge of the left flat plate portion; and right and left connection portions extending in substantially parallel to the groove portion, the right connection portion extending outwardly from a right edge of the right curved portion, the left connection portion extending outwardly from a left edge of the left curved portion, when the plate is bent in two, the groove portion being formed into the cylindrical portion, the right and left curved portions being opposed to each other to provide the receiving portion, and the right and left connection portions being opposed to each other in such a manner as to be connected to the body of the tiller.
In a further preferred form of the present invention, the right and left flat plate portions include right and left projecting portions, respectively, extending longitudinally of the plate, the right projecting portion being positioned between the groove portion and the right curved portion, the left projecting portion being positioned between the groove portion and the left curved portion, the right and left projecting portion projecting in a direction in which the groove portion is concaved, the right and left projecting portions reinforcing the right and left flat plate portions, respectively.
The support bracket is a single plate bent in two. The plate includes the cylindrical portion sized such that the skid is inserted therethrough, the receiving portion sized to receive the handlebar, and the flat plate portions each extending between the cylindrical portion and the receiving portion.
Accordingly, it becomes possible to provide the bracket without requiring additional parts. The thus arranged bracket is simple in construction.
Each of the flat plate portions includes the projecting portion. By thus providing the projecting portions, the flat plate portions are reinforced to thereby increase in strength.
REFERENCES:
patent: 795782 (1905-07-01), Porter
patent: 1903863 (1933-04-01), Hayden
patent: 2042007 (1936-05-01), Kennedy
patent: 2650404 (1953-09-01), Dalpiaz
patent: 3906592 (1975-09-01), Sakasegawa et al.
patent: 4224784 (1980-09-01), Hansen et al.
patent: 4354564 (1982-10-01), Watanabe et al.
patent: 4526756 (1985-07-01), Wong
patent: 4640366 (1987-02-01), Saito
patent: 5255546 (1993-10-01), Saunders et al.
patent: 5317807 (1994-06-01), Pulley
patent: 6488101 (2002-12-01), Miyahara et al.
patent: 58041103 (1983-03-01), None
Adams & Wilks
Honda Giken Kogyo Kabushiki Kaisha
Torres Alicia
Will Thomas B.
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