Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Torque transmitted via intermediate element
Reexamination Certificate
1999-11-01
2001-07-10
Browne, Lynne H. (Department: 3629)
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Torque transmitted via intermediate element
C464S179000
Reexamination Certificate
active
06257987
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention is related to a stackable transmission shaft and in particular to one which can be easily engaged with another.
2. Description of the Prior Art
The conventional transmission devices include belts, gears, transmission shafts with universal joints. Belts and gears are generally used for reduction devices and the axis of the driver such as a motor is not aligned with that of the driven member. The universal joint is a device which allows rotary drive to be transmitted through an angle. However, blockage will often happen in such transmission devices in case of bidirectional rotations, especially under high speed, thereby making them unfit for use with accurate equipments such as laser levels and the like.
Therefore, it is an object of the present invention to provide an improvement in the structure of a transmission shaft which can obviate and mitigate the above-noted drawbacks.
SUMMARY OF THE INVENTION
This invention is related to an improvement in the structure of a transmission shaft.
It is the primary object of the present invention to provide a stackable transmission shaft which can be easily engaged with another.
It is another object of the present invention to provide a stackable transmission shaft which can be used for transmitting power directly from a motor or the like to a driven member.
It is still another object of the present invention to provide a stackable transmission shaft which is durable in use.
It is still object of the present invention to provide a stackable transmission shaft which can be accurately connected with a driven member.
It is a further object of the present invention to provide a stackable transmission shaft which can be easily adjusted to remove blockage.
According to a preferred embodiment of the present invention, a stackable transmission shaft includes a plurality of cylindrical members each having a top formed with a diametrical projection, a bottom formed with a diametrical recess, and a center formed with an axial through hole, the protection having a inverted V-shaped top and the diametrical recess being configured to receive the diametrical projection and arranged to make an angle of 90 degrees with respect to the diametrical projection.
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: 1314601 (1919-09-01), McCaskey
patent: 1866714 (1932-07-01), King
patent: 2491820 (1949-12-01), Leibing et al.
patent: 3203285 (1965-08-01), Schmidt
A & J
Aurise Inc.
Binda Greg
Browne Lynne H.
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