Ratchet mechanism

Details Ratchet mechanism Ratchet mechanism

1996-03-11

1997-07-01

Pitts, Andrea L.

192 clutches and power-stop control

Clutches

Automatic

74575, 81 631, 192 432, B25B 2300, F16D 4118

Patent

active

056427948

ABSTRACT:
A ratchet mechanism includes a rod having a gear and rotatably received in a barrel which has a slot. A slide is slidably engaged in the slot and has two ratchet teeth for engaging with the gear. A pusher is engaged on the slide and has a knob. A spring may bias the ratchet teeth to engage with the gear. A sleeve is engaged on the barrel and has a groove aligned with the slot. The ratchet teeth may be engaged with the gear separately or simultaneously in order to control the rotational directions of the rod and the gear.

REFERENCES:
patent: 300771 (1884-06-01), Fray
patent: 1157427 (1915-10-01), Seivert
patent: 2333549 (1943-11-01), Novak
patent: 2486043 (1949-10-01), Lofgren
patent: 2649176 (1953-08-01), Winger
patent: 4355931 (1982-10-01), Leuenberger
patent: 4696208 (1987-09-01), Lay
patent: 4777852 (1988-10-01), Herman et al.
patent: 4793222 (1988-12-01), Beugelsdyk
patent: 5063797 (1991-11-01), Huang
patent: 5379873 (1995-01-01), Shiao

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