Gear cutting – milling – or planing – Milling – Including cutter limited to rotary motion
Reexamination Certificate
1999-11-30
2001-10-23
Howell, Daniel W. (Department: 3722)
Gear cutting, milling, or planing
Milling
Including cutter limited to rotary motion
C144S135200, C408S128000, C474S077000, C474S101000, C474S114000
Reexamination Certificate
active
06305887
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention is related to an improvement in the structure for mounting a motor of a planing machine.
2. Description of the Prior Art
Referring to
FIG. 1
, the conventional structure for mounting a motor of a planing machine includes a bracket
11
on which is pivotally installed a motor assembly
12
. An elevating cylinder
14
is fitted to a control seat
13
. The motor assembly
12
has an axle on which is arranged a first pulley
15
which is connected to a second pulley
18
on the spindle
17
of the planing machine. However, such a structure is unfit for practical use and suffers from the following drawbacks:
1. Difficult to assemble
The motor assembly
12
must be first mounted on the bracket
11
and then the elevated cylinder
14
is arranged on the control seat
13
thereby causing much inconvenience in assembly and requiring a lot of labor work. In addition, it is very difficult to arrange the first pulley
15
in alignment with the second pulley
18
thus making it unable to turn smoothly.
2. Unable to operate smoothly
When the spindle
17
is adjusted in the elevation angle, the belt
16
will be pulled to one side thereby making it unable to operate smoothly.
3. Inconvenience in use
The belt
16
cannot be adjusted in tension hence causing much inconvenience in use.
Therefore, it is an object of the present invention to provide an improvement in the structure for mounting a motor of a planing machine which can obviate and mitigate the above-mentioned drawbacks.
SUMMARY OF THE INVENTION
This invention is related to an improvement in the structure for mounting motor of a planing machine.
According to a preferred embodiment of the present invention, a structure for mounting a motor of a planing machine includes a hollow base, an axle casing fitted in said base and provided with a spindle for connecting with a planing cutter, a first pulley arranged under said spindle so that a belt connects said first pulley with a second pulley of a motor, wherein said axle casing is provided at a bottom with an extension having a circular hole and a curved groove subtending the center of the circular hole, a motor cover is installed on one end of a motor and has a pair of lugs in which is fitted an end of said extension, a pin is inserted into said lugs and said circular hole to form a pivot therebetween, and a locking handle is threadedly engaged with one of said lugs so that said motor is fastened on one side of said axle casing.
It is the primary object of the present invention to provide an improvement in the structure for mounting a motor of a planing machine which is simple in construction.
It is another object of the present invention to provide an improvement in the structure for mounting a motor of a planing machine which is easy to assemble.
It is still another object of the present invention to provide an improvement in the structure for mounting a motor of a planing machine which is facile to maintain.
It is still another object of the present invention to provide an improvement in the structure for mounting a motor of a planing machine which can be easily adjusted.
It is a further object of the present invention to provide an improvement in the structure for mounting a motor of a planing machine which is fit for practical use.
The foregoing objects and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
REFERENCES:
patent: 1742217 (1930-01-01), Renwick
patent: 2154745 (1939-04-01), Hedgpeth
patent: 2400448 (1946-05-01), Wellstein
patent: 2664756 (1954-01-01), Fismer
patent: 3422102 (1969-01-01), Baublys et al.
patent: 3523470 (1970-08-01), Miller
patent: 4518371 (1985-05-01), Hanson
patent: 4557303 (1985-12-01), Gardner et al.
patent: 5205331 (1993-04-01), Onsrud
A & J
Howell Daniel W.
Kufo Industries Corporation
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