Expansion tool

Details Expansion tool Expansion tool

1979-06-29

1981-09-15

Jones, Jr., James L.

Tools

Tool jaw

With three or more jaws

81302, 81420, B25B 702

Patent

active

042890500

ABSTRACT:
An expansion tool for spreading the side walls of a partitioning track comprises first and second members each having a handle portion and a jaw portion. These members are coupled together so as to cause the jaw portions to compress when the handles are compressed. Coupled to each jaw portion is a spreading member each of which includes a contact or spreading surface. As the jaws are compressed, the contact surfaces move apart.

REFERENCES:
patent: 505835 (1893-10-01), Kulp et al.
patent: 792374 (1905-06-01), Wolford
patent: 1399665 (1921-12-01), Shapiro
patent: 3314319 (1967-04-01), Schmidt
patent: 3617044 (1971-11-01), Strange
patent: 3654755 (1972-04-01), Bell
patent: 3677129 (1972-07-01), Lyon

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