Method of making a hose clamp with tangential screw

Details Method of making a hose clamp with tangential screw Method of making a hose clamp with tangential screw

1979-02-05

1981-01-27

Moon, Charlie T.

Metal working

Method of mechanical manufacture

With separating, localizing, or eliminating of as-cast...

285236, 285253, 24279, B23P 1900

Patent

active

042466903

ABSTRACT:
A thin sheet metal strip preferably having a thickness less than 0.015 inch, forms a part-cylindrical portion which integrally connects a folded first ear portion and a second ear portion which is also folded in two embodiments. An integral tongue projects from the first ear portion and may have a pair of parallel longitudinal ribs which project inwardly and interfit with corresponding circumferential ribs formed within said part-cylindrical portion. A sheet metal screw projects through holes within the ear portions, and the second ear portion is adapted to converge toward the first ear portion at a substantial angle relative to the axis of the screw when the screw is tightened for producing a positive non-stripping cocking engagement with the screw. In one embodiment, each of the folded ear portions has a pair of generally triangular side flanges for reinforcing the ear portion, and preferably, the screw engages the tongue to urge it against the hose being clamped. In another embodiment, the second ear portion has a plurality of spaced holes, one of which is selected for receiving the screw threads to cause substantial cocking of the second ear portion relative to the screw.

REFERENCES:
patent: 1397943 (1921-11-01), Costello
patent: 1619841 (1927-03-01), Witwer
patent: 2278071 (1942-03-01), Gass
patent: 2335464 (1943-11-01), Tinnerman
patent: 2339138 (1944-01-01), Black
patent: 3142881 (1964-08-01), Johnston
patent: 3361403 (1968-01-01), Oeler

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