Locking key mechanism

Details Locking key mechanism Locking key mechanism

1986-05-07

1988-03-01

Reese, Randolph A.

Joints and connections

Including ancillary means blocking disconnection of joint

Blocker is catch or key

403359, 745941, F16B 2110, F16D 108

Patent

active

047282185

ABSTRACT:
A locking key prevents a slotted boss, which is secured to a spindle by a pinch bolt, from working its way off the spindle, or, in some cases, from twisting excessively in relation to the spindle.
The locking key is positioned within the slot of the boss, has a hole which the pinch bolt goes through, and has a tang which engages a hole in the spindle, thus forming a loose link between the spindle and the pinch bolt. An anti-rotation tab of the locking key prevents the locking key from rotating about the pinch bolt, and prevents the tang from coming out of the tang hole in the spindle. To remove the boss, the pinch bolt must be withdrawn. The device is applicable to splined, serrated, keyed, or cylindrical spindles mounting corresponding bosses.

REFERENCES:
patent: 510620 (1993-12-01), Smith
patent: 573055 (1896-12-01), Valentine
patent: 1637520 (1927-08-01), Doge
patent: 3385129 (1968-05-01), Duncan et al.
patent: 3836271 (1974-09-01), Coski
patent: 4009623 (1977-03-01), Smith et al.

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