Mower deck lid locking mechanism

Details Mower deck lid locking mechanism Mower deck lid locking mechanism

1997-06-02

1999-06-22

Shackelford, Heather

Harvesters

Cutting

Housing or guard

56202, 56DIG20, A01D 6700

Patent

active

059138041

ABSTRACT:
A locking mechanism for a lid which covers an opening in a mower deck directly above blades which rotate within the deck, the locking mechanism locks the lid in a position generally covering the opening and is releasable by an operator for allowing the operator to shift the lid to a position whereat the opening is generally uncovered. A chute extends laterally outwardly from the opening, is pivotable as the chute abuts obstructions during mowing operations. The locking mechanism remains locked as the chute pivots. The locking mechanism includes a rod member about which the lid is pivotable between open and closed positions. A torsion spring biases the lid to pivot to the closed position and biases the lid to shift laterally. A cam member fixed with the lid includes a finger portion which abuts a blocking member for blocking the cam member and lid from pivoting from the closed to the open position. The lid is shiftable by the operator for shifting the finger portion clear of the blocking member to allow the lid to be pivoted by the operator to its open position.

REFERENCES:
patent: 3118267 (1964-01-01), Shaw
patent: 3503194 (1970-03-01), Ritums
patent: 3673778 (1972-07-01), Ramey
patent: 3797214 (1974-03-01), Erdman et al.
patent: 3805499 (1974-04-01), Woelffer et al.
patent: 4041682 (1977-08-01), Kidd
patent: 4726178 (1988-02-01), Mallaney et al.
patent: 4882898 (1989-11-01), Samejima et al.
patent: 5195311 (1993-03-01), Holland
Photo of Murray Ultra 46" sub-chute with no spring or locking mechanism, on sale more than one year prior to filing the present invention. no date.

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