Crimping tool with means to keep jaws parallel

Details Crimping tool with means to keep jaws parallel Crimping tool with means to keep jaws parallel

1995-07-28

1997-03-18

Jones, David

Metal deforming

With means to actuate both elements of tool-couple

Handle actuated

7240909, 7240913, B21D 908

Patent

active

056112360

ABSTRACT:
A tool for crimping a compression sleeve onto a pipe includes support arms [50] that rotate about fixed pivots [68], and which each carry a slidably mounted crimping jaw [52] that is supported by the associated arm [50] for rotational movement of the jaw about the longitudinal axis thereof, movement of the respective jaws [52] being guided by ramp cams [58] and camming surfaces [60] which are operative to maintain the end faces of the jaws in true parallelism with one another, despite the movement of the jaws [52] about an arcuate path, and, the rotation of those jaws [52] relative to the support arms [50], movement of the jaws being under the influence of sliding surface contact of the camming members in the absence of line contact, while at the same time a greater sliding area between the respective jaws and their associated support arms is provided, thus enhancing the durability of the crimping tool.

REFERENCES:
patent: 3120772 (1964-02-01), Mixon, Jr.
patent: 3345856 (1967-10-01), Werner et al.

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