Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Fastener securing element – Resilient metallic
Patent
1995-08-15
1997-01-14
Meyers, Steven N.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Fastener securing element
Resilient metallic
411344, 411351, F16B 2116
Patent
active
055932649
ABSTRACT:
An assembly for retaining a pin in aligned bores of two structural members, such as clevis and a tang, includes a support member or boss, a retaining flag and a retaining pin. The retaining flag is slidably mounted on the support member and may be moved between a service position wherein the pin may be inserted into and removed from the bores and a locking position wherein the pin is held in the bores, preferably locked from rotation. The flag includes an opening having engagement surfaces for contacting a groove in the pin in the locking position. The flag is held on the support member by abutment surfaces. Two abutment surfaces serve to guide the flag in its sliding motion between the service and locked positions. Other abutment surfaces maintain the flag on the support member and prevent removal of the flag. The abutment surfaces contact the retaining pin in the locking position to maintain the flag in the locking position. Forces tending to rotate the pin in the bores are transmitted to the flag to the support member, but not to the retaining pin, thereby reducing the likelihood of failure of the assembly due to shearing of the pin.
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Morton Michael D.
Schlegel Daniel K.
Case Corporation
Meyers Steven N.
Santos Robert G.
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