Metal working – Means to assemble or disassemble – Means to assemble electrical device
Reexamination Certificate
2000-04-05
2001-08-14
Shoap, Allan N. (Department: 3729)
Metal working
Means to assemble or disassemble
Means to assemble electrical device
C029S753000, C029S760000, C029S863000, C029S757000, C029S761000, C072S409140, C072S409160
Reexamination Certificate
active
06272738
ABSTRACT:
BACKGROUND OF THE INVENTION
(1) Field of the Invention
The present invention relates to a hand operated press for installing cable connectors, and more particularly, to a hand operated press which can compress an adapter to an outer sleeve of a cable terminator so as to form joint surface a sealed and smooth crease free continuous surface.
(2) Description of the Prior Art
In coaxial cable manufacturing industry, it is a common practice to connect a standard connector to one end of a coaxial cable using a hand operated crimping press, then again to connect this connector to another corresponding connector or a terminal signal port of a TV set.
A common crimping tool can squeeze a sleeve on a cable terminal creased to form a hexagonal joint. This hexagonally creased joint has a problem that it is unable to ensure a perfect sealing effect at the cable terminal but it is susceptible to ingress of moisture existing in the air into the cable from the cable terminal thereof. As a result, the quality of TV picture is severely degraded, and the cable will be destroyed by corrosion in no time.
In order to solve the above problem, the inventor of the present invention disclosed in earlier days a solution to this problem and applied for patent in U.S.A. by application Ser. No. 09/032,771 (application date (Feb. 28, 1998) in which an adapter and an outer sleeve of a terminator may form a smooth and no creasing continuous surface with perfect water tight property.
For carrying out the above described perfect water tight property of the cable connector, it is absolutely necessary to try out an appropriate compression tool, and fortunately such a compression tool has been successfully developed through the inventor's long time efforts.
SUMMARY OF THE INVENTION
It is the main object of the present invention to provide a hand operated press for installing cable connectors by applying a repeated radial force to a cable connector and also by changing position of lever fulcrum to enhance the lever effect to a great extent, but on the contrary reducing stroke of the lever arm during connecting an adapter to an outlet sleeve of a cable terminator or to an cable end.
For fuller understanding of the nature and objects of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
REFERENCES:
patent: 3325885 (1967-06-01), Ziegler, Jr. et al.
patent: 3630068 (1971-12-01), Floyd, Jr.
patent: 5392508 (1995-02-01), Holliday et al.
patent: 5596800 (1997-01-01), Holliday et al.
patent: 5647119 (1997-07-01), Bourbeau et al.
patent: 5743131 (1998-04-01), Holliday et al.
patent: 5934137 (1999-08-01), Tarpill
patent: 5983489 (1999-11-01), Jee
patent: 6112404 (2000-09-01), Tarpill
Holliday Randall A.
Wong Shen-Chia
Dougherty & Troxell
Shoap Allan N.
Trinh Minh
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