Joints and connections – Biased catch or latch – By separate spring
Patent
1981-02-09
1983-09-06
Shedd, Wayne L.
Joints and connections
Biased catch or latch
By separate spring
403 11, 403359, 403317, B25G 318, F16B 2100, F16D 100
Patent
active
044026269
ABSTRACT:
A torque transmitting coupling including a housing, an internally splined opening in the housing being adapted to receive an externally splined shaft. Locking structure is provided for selectively locking the shaft into the opening in the housing, such locking structure being biased to a locked position and selectively movable to an unlocked position. The locking structure includes means for automatically locking the shaft into the housing upon insertion of the shaft into the housing and further includes a structure for allowing unlocking of the shaft from the housing. The locking structure includes a plurality of bores radially disposed in the housing, a locking element slideably disposed in each of the bores and being radially movable from an inner, locking position, wherein the elements are engageable within a recess of the shaft to prevent relative axial movement of the housing with respect to the shaft; and, an outer, unlocked position, whereby the elements permit relative axial movement of the housing and the shaft. A lock open mechanism is also provided to hold the locking elements in the unlocked position when the shaft is withdrawn.
REFERENCES:
patent: 3260541 (1966-07-01), Sadler et al.
patent: 3480310 (1969-11-01), McElwain
patent: 3678439 (1972-07-01), Vetter
patent: 3747966 (1973-07-01), Wilkes et al.
patent: 3796502 (1974-03-01), Federspiel
patent: 4198080 (1980-04-01), Carpenter
patent: 4289414 (1981-09-01), Recker
patent: 4318630 (1982-03-01), Herchenbach
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