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US 2018/0272514 A1Published application
Spring loaded pilot punch assembly
AssigneeUnited Technologies Corporation
InventorsJohn Pergantis, Zachary Sears
Life of this patent
Estimating the term…
Abstract
A punch assembly includes a punch that defines an axis and a sleeve that is spring biased to the punch, the sleeve movable axially along the axis between a compressed positon and an extended position.
Claims20
A punch assembly, comprising:
- a punch that defines an axis;
- and
- a sleeve that is spring biased to the punch, the sleeve movable axially along the axis between a compressed positon and an extended position.
A punch assembly, comprising:
- a punch that comprises a handle section adjacent to a sleeve receipt section along an axis,
- a spring section, and a pin punch section, the spring section between the sleeve receipt section and the pin punch section;
- a sleeve that is spring biased to the punch, the sleeve comprising a guide section which defines a diameter to slide along the sleeve receipt section, a thrust wire receipt section adjacent the guide section, the guide section smaller in diameter than the thrust wire receipt section;
- and
- a spring over the spring section and between the pin punch section and the sleeve such that the sleeve is movable axially along the axis between a compressed positon and an extended position.
2 more elements
A method to install a coupling fitting, comprising:
- receiving a sleeve of a punch assembly onto a tab end of a tabbed thrust wire, the sleeve movable axially along an axis between an extended position and a compressed positon.
Dependencies are inferred from the claim text.