Buckles – buttons – clasps – etc. – Strap-end-attaching devices – Buckle connected
Patent
1979-01-15
1980-05-20
Dorner, Kenneth
Buckles, buttons, clasps, etc.
Strap-end-attaching devices
Buckle connected
A44B 2100
Patent
active
042031826
ABSTRACT:
A slip assembly for supporting well pipe in a rotary table and including a slip bowl structure to be received and supported within the rotary table in a relation to turn with it, a carrier structure supporting a plurality of slips and mounted for upward and downward movement relative to the slip bowl structure and with the slips, latch means for releasably retaining the carrier structure and slips in a lower active pipe gripping position, and yielding means urging the carrier structure and slips upwardly to retracted positions when the latch means are released.
REFERENCES:
patent: 1676275 (1928-07-01), Montgomery
patent: 2151208 (1939-03-01), Hinlker
patent: 2189244 (1940-02-01), Gilbert
patent: 2245592 (1941-06-01), Jones
patent: 2340597 (1944-02-01), Kelley
patent: 2570039 (1951-10-01), Stone
patent: 2607098 (1952-08-01), Wilson
patent: 2641816 (1953-06-01), Liljestrand
patent: 2662737 (1953-12-01), Edelberg
patent: 2939683 (1960-06-01), Spiri
patent: 3210821 (1965-10-01), Spiri et al.
patent: 3270389 (1966-09-01), Kingsbury
patent: 3422506 (1969-01-01), Turner
patent: 3457605 (1969-07-01), Kingsbury et al.
patent: 3571865 (1971-03-01), Johnson
patent: 3742562 (1973-07-01), Haby
patent: 3961399 (1976-06-01), Boxadjieff
Boyadjieff George I.
Gill Jerry A.
Dorner Kenneth
Green William P.
Varco International, Inc.
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