Blade housing lift for riding mower

Details Blade housing lift for riding mower Blade housing lift for riding mower

1980-01-23

1981-12-29

Hafer, Robert A.

Harvesters

Motorized harvester

Including motorized vehicle causing transit of harvester

187 9R, A01D 3512

Patent

active

043075614

ABSTRACT:
The riding mower (10) includes a prime mover (12) and a cutter blade housing (28) mounted on the prime mover (12) for pivotal movement between a lowered mowing position and a raised non-mowing position. The blade housing (28) is moved between the mowing and non-mowing positions by a flexible member (56), such as a chain, having a first end (58) connected to the blade housing (28) and a second end (60) connected to the prime mover (12) and a fluid-actuated cylinder (64) including a piston rod (66) carrying an arcuate element (68), such as a pulley, which engages an intermediate portion (62) of the chain (56) and lifts it in response to extension of the piston rod (66). The chain (56) is maintained in tension and in engagement with the pulley (68) at all times by a spring-biased arm (70) pivotally mounted on the prime mover (12) and connected to the second end (60) of the chain (56).

REFERENCES:
patent: 2949004 (1960-08-01), Jones
patent: 3666053 (1972-05-01), Tormey
patent: 3702051 (1972-11-01), Deines
patent: 3777853 (1973-12-01), Miller
patent: 3874150 (1975-04-01), Boeck
patent: 4187924 (1980-02-01), Deschamps

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