Hoist ring

Handling: hand and hoist-line implements – Contact lens applicator

Reexamination Certificate

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Details

C294S082100, C403S078000

Reexamination Certificate

active

07036858

ABSTRACT:
A hoist ring assembly includes an annular body, a first axial bore generally concentric with a longitudinal axis and including diametrically opposed first and second sockets. A mounting assembly is provided for facilitating the mounting of the annular body onto an object. A U-shaped hoist ring member is provided and has remote ends formed into integral stub shaft members, the stub shaft members extending generally coaxially with and spaced from one another to define a co-axis therebetween. The stub shaft members are relatively rotatably received in the sockets. The peripheral surface of the stub shaft members each has an annular groove therein located within the socket. A radially inwardly extending member in each socket is received in each of the grooves to prevent the legs of the hoist ring member from spreading apart as well as removal of the stub shaft members from the sockets while maintaining the ability of the hoist ring to pivot about the aforesaid co-axis.

REFERENCES:
patent: 1321356 (1919-11-01), Bateman
patent: 3163901 (1965-01-01), Brawand
patent: 4429526 (1984-02-01), Rehbein
patent: 4641986 (1987-02-01), Tsui et al.
patent: 4705422 (1987-11-01), Tsui et al.
patent: 5248176 (1993-09-01), Fredriksson
patent: 5352056 (1994-10-01), Chandler
patent: 5405210 (1995-04-01), Tsui
patent: 5848815 (1998-12-01), Tsui et al.
patent: 6199925 (2001-03-01), Alba
patent: 6293600 (2001-09-01), Lecourt

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