Patent
1984-10-29
1986-11-25
Combs, E. Michael
B21D 5324, B21K 170
Patent
active
046240241
ABSTRACT:
In a self-locking nut comprising a nut body having first and second end surfaces and a threaded hole opening onto these surfaces, at least a first turn of the thread of the hole immediately adjacent the first end surface of the nut is squashed axially towards the second end surface. The first turn is formed by a series of equiangularly-spaced projections located on the first end surface of the nut adjacent the hole. The method for the manufacture of the self-locking nut includes a main pressing operation for making a nut body with first and second end surfaces and a hole opening onto these surfaces, and an operation for threading the hole. The method also includes a secondary pressing operation after the threading operation, for squashing at least a first turn of the nut thread immediately adjacent the first end surface axially towards the second end surface. The nut body made by the main pressing operation has a series of equiangularly-spaced projections located on the first end surface adjacent the hole, in which the first turn of the thread is formed.
REFERENCES:
patent: 1077023 (1913-10-01), Ward
patent: 1963845 (1934-06-01), Hosking
patent: 2320785 (1943-06-01), Luce
patent: 2352668 (1944-07-01), Tripp
patent: 2539899 (1951-01-01), Delaney
Bulloneria Barge S.p.A.
Combs E. Michael
LandOfFree
Method for the manufacture of a self-locking nut does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for the manufacture of a self-locking nut, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the manufacture of a self-locking nut will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1152034