A large round baler includes mechanism for optionally wrapping a bale with either twine or a surface wrap material. A wrap control mechanism includes means whereby the wrapping process is initiated in response to a bale reaching a desired diameter within the bale chamber. Various microswitches are strategically...http://www.google.com/patents/US5152123?utm_source=gb-gplus-sharePatent US5152123 - Indicator system for alerting an operator to the condition of a large cylindrical bale wrapping mechanism
