Cam follower

Details Cam follower Cam follower

1992-08-03

1994-04-19

Recla, Henry J.

Electricity: circuit makers and breakers

Limit switch

74569, 74 10006, H01H 316

Patent

active

053047540

ABSTRACT:
A cam follower disposed on a limit switch utilized in elevator systems comprises a tire and a hub. The tire comprises a torus and a web, wherein the web includes a plurality of elongated slots that allow free movement of the tire within the hub. The hub comprises two portions that snap fit together securing the tire therebetween so that when the tire of the cam follower is impacted, the tire absorbs the impact shock and minimizes noise caused by the impact. The cam follower design also allows an inexpensive fabrication and assembly.

REFERENCES:
patent: 4788387 (1988-11-01), Kasegi et al.
patent: 5117885 (1992-06-01), Crawford

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