Pull tab attachment tool

Details Pull tab attachment tool Pull tab attachment tool

1976-12-22

1977-10-04

Lanham, C.W.

Metal deforming

By tool-couple embodying nonplanar tool-face

With complementary tool-faces

81 51R, 81311, B21D 908

Patent

active

040517101

ABSTRACT:
A pull tab attachment tool comprises a pair of first and second levers connected together for pivotal movement and having respectively first and second handle portions and opposed jaw portions extending from their one ends. The second lever has a roller. A third lever is pivotally connected to the first lever. An urging means acts between the first and third levers to normally urge them apart so that the third lever is held in rolling engagement with the roller. When the first and second handle portions are manually actuated to move toward each other, the opposed jaw portions are brought into engagement with each other to provide a first pressing structure, and one end of the third lever is brought into engagement with the one end of the first lever through the rolling action of the roller along the third lever to provide a second pressing structure.

REFERENCES:
patent: 876963 (1908-01-01), Hoak
patent: 2063167 (1936-12-01), Kamborian
patent: 2732744 (1956-01-01), Kuchman

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