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Exmark Manufacturing Company, Inc.

Exmark Mfg. Co., Inc.

Michael E Allen

Gary L Nicholson

E William Rosenberg

John E Hicks

Jeremy John Tate

An articulating mower deck system. The system is adapted to disable power to a blade associated with the wing deck section before the wing deck section begins to lift&#x2014;from an operating position toward a folded position&#x2014;yet does not interfere with blade operation when the wing deck section floats relative to a center deck section during normal operation of the deck. Articulating decks of modular construction are also provided, allowing assembly of multiple deck widths with a minimum of modular deck sections.

Articulating cutting deck

A mower has a rotary cutting deck with a discharge opening covered by a discharge chute. A pivotal gate is placed beneath the discharge chute to pivot relative to the discharge opening between a closed position in which the gate blocks the discharge opening and an open position in which the gate opens the discharge opening, thereby providing discharge and non-discharge modes of operation respectively. A pivotal foot pedal can be depressed by the operator against the force of a biasing spring to move the gate between the closed and open positions thereof. When the gate reaches its open position corresponding to a fully depressed foot pedal, an over center linkage has reached an over center orientation in which the force of the spring now serves to lock the pivotal gate in the open position thereof. Another over center linkage also locks the pivotal gate in the closed position thereof when the foot pedal is in a non-depressed starting position.

Mower cutting deck having operator controlled discharge opening using foot pedal control

A skin biopsy system covers all aspects of the biopsy procedure from initial incision to final closure. The system includes a flexible closure consisting of 4 elongated rigid members interconnected by flexible hinges. The opening within the closure is initially diamond-shaped, approximating an ellipse, which is then deformed or pinched to a narrow linear opening when the wound is closed. Included with the system is a knife which interacts with the closure to yield a guided incision of constant depth. The path of the knife is guided by interference between the blade and the inside faces of the closure while the depth is limited by interference of the handle proximal the blade and the top faces of the closure.

Sutureless guided skin biopsy system

A ducted cover grass collection system for a lawn mower includes a hopper with a front end having an inlet, a rear end having an outlet and an open upper end, a deflector hood located at the front end to partially cover the open upper end, and a lid covering the remainder of the open upper end, the lid having a duct open at a front end and having a rear end in communication with the outlet so that a flow of clippings and air is introduced through the inlet and projected generally horizontally toward the rear end of the hopper, so that the clippings settle to the bottom of the hopper, after which the air is directed back toward the deflector hood, through the duct and is discharged via the outlet. An air flow indicator located in the hopper lid pivots when the air flow in the duct decreases, signaling that the hopper is filled with clippings.

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Lincoln, NE, United States of America

Michael E Allen