Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Securing means pivotable about axis transverse to fastener...
Patent
1987-06-10
1989-11-28
Smith, Gary L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Securing means pivotable about axis transverse to fastener...
411531, 411547, 10 86B, F16B 2100
Patent
active
048833983
ABSTRACT:
In an installation method according to the invention, one pulls the wings of a toggle bolt into contact with the inner surface of a wall continuously during tightening of the bolt, this being in contrast with previous practice where the finger nails eventually must be removed, and thus the pulling action eliminated, in order to prevent locking of the fingernails between the wall and bolt head. An apparatus according to the invention comprises means for exerting a pull on the bolt of a toggle bolt, for maintaining the contact of the wings with the inner surface of a wall until the bolt has been tightened. The invention also provides a special manufacturing method for a particular apparatus of the invention.
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Am. J. of Roentgenology, vol. XXII, No. 1, p. 45.
G.R.C., "Die Cast Industrial Fasteners".
Saether Flemming
Smith Gary L.
Sullivan, Jr. Daniel A.
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