[54] HAND-HELD SETTING TOOL AND
METHOD FOR SETTING DEFORMABLE
HEAD FASTENERS
[75] Inventor: Joseph Todisco, Woburn, Mass.
[73] Assignee: Marson Corporation, Chelsea, Mass.
[21] Appl. No.: 327,051
[22] Filed: Dec. 3,1981
[51] Int. CU B21D 15/34
[52] U.S. CI 72/391; 72/114
[58] Field of Search 72/391, 114
[56] References Cited
U.S. PATENT DOCUMENTS
2,430,563 11/1947 Gill 72/391
2,507,740 5/1950 Tincler 72/391
3,646,800 3/1972 Martin 72/391
3,767,297 10/1973 Martin 72/391
3,842,649 10/1974 Di Maio 72/391
3,933,019 1/1976 Underland 72/114
4,037,448 7/1977 Di Maio 72/114
4,070,889 1/1978 DeCaro 72/114
4,140,000 2/1979 Ehmann 72/114
4,147,047 4/1979 Fluester 72/391
4,192,163 3/1980 Martin 72/391
FOREIGN PATENT DOCUMENTS
2433207 7/1974 Fed. Rep. of Germany .
Primary Examiner—Gene P. Crosby
Attorney, Agent, or Firm—Pennie & Edmonds
[57] ABSTRACT
A tool (10) for setting rivet nuts (45) in which the nonrotatable collet (23) moved by handles (11,12) and receives in threaded engagement the mandrel holder (29) so that the mandrel holder (29) is axially adjustable with respect to the collet (23). Mandrels (36) are readily inserted in, secured to and removed from the mandrel holder (29) so that a selected mandrel (36) can be used for each type of rivet to be set against selected anvils (18, 20 and 62). Tool (10) is adjustable in various ways to ease placing the rivet (45) on the mandrel (36), affecting adjustment of the position of the rivet nut (45) vis-avis the anvil (18, 20 and 62) for a proper and effective pulling stroke and adjusting the travel of the collet during the stroke.
12 Claims, 12 Drawing Figures
