Spring-biased pin connection system

Pipe joints or couplings – Socket – With separable fastener

Reexamination Certificate

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Details

C285S317000, C166S085300

Reexamination Certificate

active

10829924

ABSTRACT:
A connection system is described for connecting parts of an apparatus. A first part having one or more pin receptacles cooperatively mates to a second part housing one or more spring-biased pin assemblies to provide a fluid-tight seal. The second part further provides one or more pin assembly housings. The first and second parts assemble such that at least one pin assembly housing aligns with at least one pin receptacle. At least one pin assembly disposed through the at least one pin assembly housing selectively engages the pin receptacle to secure the connection of the first part to the second part of the apparatus. Each pin assembly may include a pin assembly sleeve having a spring stop; a spring seated within the sleeve; a pin, also having a spring stop, axially disposed through the spring, and a pin handle connected to the pin distally from the pin spring stop. The pin selectively engages the retention pin receptacle with a spring-loaded bias to secure the connection of the first part to the second part of the apparatus. The invention contemplates an adapter between the first and second parts. The connection system is illustrated by reference to connecting a stripper rubber to equipment of a drilling head at a well.

REFERENCES:
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patent: 1037072 (1912-08-01), Snyder
patent: 1372297 (1921-03-01), Kennedy
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patent: 4606557 (1986-08-01), Coffey
patent: 4743079 (1988-05-01), Bloch
patent: 5348107 (1994-09-01), Bailey et al.
patent: 5829480 (1998-11-01), Smith, III
patent: 6230824 (2001-05-01), Peterman et al.
patent: 7174956 (2007-02-01), Williams

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