| Patent Number |
Title Of Patent |
Date Issued |
| 4776587 |
Leg exercise machine |
October 11, 1988 |
| A leg exercise machine (10) for bilateral and unilateral leg exercising. Machine (10) preferably includes an electromagnetic brake unit (44) coupled to a side-mounted exercise arm (68) through a planetary drive assembly (51). A longitudinally-adjustable leg pad support (70) is slidab |
| 4774648 |
Low voltage light fixture |
September 27, 1988 |
| A low voltage light fixture (10) including a bulb/lens assembly (12) mounted atop an integral post/stake assembly (14). Post/stake assembly (14) includes a hollow tubular portion (20) and a ground stake portion (22). A preferred post/stake assembly (14) is formed from a single piece |
| 4772015 |
Shoulder and arm exercise machine |
September 20, 1988 |
| An arm and shoulder exercise machine (20) including a base (22), a vertical rack (32) and resistance means (38) is disclosed herein. Resistance means (38) can be adjusted vertically and pivotally with respect to rack (32) using a unique rack-and-pinion system. A preferred machine (20) al |
| 4771844 |
Method and apparatus for cooling a prime mover |
September 20, 1988 |
| A turf maintenance apparatus (10) having a cooling system. The cooling system includes a front-facing air inlet (42) which delivers air to a longitudinal duct (100) running along the length of the turf maintenance machine (10). A flow reverser (120) is located at the downstream end of |
| 4771356 |
Method and apparatus for accommodating power disturbances |
September 13, 1988 |
| An irrigation system (10) including a microcomputer (12) and a delay apparatus (16). A preferred delay apparatus (16) includes a power detection circuit (20) capable of detecting short-term disturbances in the power being supplied to the microcomputer (12). Delay apparatus (16) also |
| 4769976 |
Method and apparatus for supporting a reel unit |
September 13, 1988 |
| A U-joint (23) for connecting a reel unit (22) to a lift arm (18) of a turf maintenance machine (10). U-joint (23) preferably includes a pivot arm (40) suitable for connection to the lift arm (18), and a pivot base (38) for connection to the top of a standard reel cutting unit (22). Situ |
| 4763838 |
Sprinkler with guard |
August 16, 1988 |
| An improved sprinkler (2) includes a body (4) which includes a pop-up nozzle (10). Nozzle (10) is sufficiently smaller than body (4) to create a gap therebetween as nozzle (10) rises out of body (4). An annular guard (30) separate from nozzle (10) is located in the upper end of body (4) |
| 4756101 |
Swing wheel snowthrower |
July 12, 1988 |
| An improved snowthrower (2) includes a housing (4) having a pair of traction wheels (20) carried thereon. Pivot arms (24) pivotably journal traction wheels (20) to the housing (4) for movement between a first position approximately beneath the center of gravity of the snowthrower to |
| 4730829 |
Exercise machine |
March 15, 1988 |
| An exercise machine (2) includes side frame members (6). Electromagnetic brakes (62) supported on movable carriages (66) slide along side frame members (6). Carriage (66) includes a hinge (100) for allowing each brake (62) to pivot between multiple positions. Both types of motion allow t |
| 4725923 |
Circuitry protection apparatus |
February 16, 1988 |
| Apparatus for holding a plurality of circuits and related voltage protection devices in a manner such that: (a) the voltage protection devices are located between the circuitry of a system and the electrical components of the system being operated by such circuitry; (b) the devices m |
| 4720099 |
Exercise machine |
January 19, 1988 |
| An exercise machine (2) includes side frame members (6). Electromagnetic brakes (62) supported on movable carriages (66) slide along side frame members (6). Carriage (66) includes a hinge (100) for allowing each brake (62) to pivot between multiple positions. Both types of motion allow t |
| 4708291 |
Oscillating sprinkler |
November 24, 1987 |
| A sprinkler (2) includes a rotary nozzle (6) mounted on a body (4). A reversible drive (12) includes an internal gear (14) connected to the nozzle (6), a motor (16) having a unidirectional output shaft (18), and an oscillating gear train (20) having two final drive gears (27) or (29) |
| 4699321 |
Sprinkler head drain valve |
October 13, 1987 |
| An improved sprinkler head (2) having a hollow housing (4) has a fluid inlet (5) for admitting water into housing (2). A drain valve (40) comprises an elongated flexible nipple (34) having an open upper end (35) and a closed lower end (36) having a normally closed drain passage (42). |
| 4694594 |
Single stage snowthrower |
September 22, 1987 |
| An improved single stage snowthrower (2) includes an open front portion (14) having a rotatable impeller (30) contained therein. Impeller (30) contains at least one outwardly extending paddle (32) having a complex curved shape. Paddle (32) includes a central snowthrowing section (34) |
| 4694528 |
Convertible vacuum-blower |
September 22, 1987 |
| A convertible vacuum-blower which includes a housing having an air inlet and an air outlet is disclosed. A motor and an impeller are supported in the housing. The impeller is supported for rotary motion and is driven by the motor. The impeller is in fluid communication with both the air |
| 4682732 |
Sprinkler with improved riser seal |
July 28, 1987 |
| A sprinkler including a housing, a riser and a riser seal element is disclosed. The housing has a hollow interior with an upward-inward slanted, conical shaped seal element receiving slot. The riser is mounted in the hollow interior of the housing for reciprocating motion between an |
| 4681260 |
Two piece variable stator for sprinkler nozzle flow control |
July 21, 1987 |
| A variable stator for use in a sprinkler head has a two piece stator housing which includes flexible inner sidewalls overlying spaced apertures in an outer sidewall. The stator housing includes a plurality of drive ports which pass a controlled portion of the fluid flow against an im |
| 4637202 |
Lawn mower grass collector bag support |
January 20, 1987 |
| A bag support for a riding lawn mower grass collector includes a rectangular framework (2) attached to a mower (10) with grass directing hood (4). A grass bag (6) has a resilient frame (8) extending substantially around bag opening (40). A much larger leaf bag (80) has a resilient fr |
| 4634052 |
Adjustable arc sprinkler head |
January 6, 1987 |
| An improved adjustable arc sprinkler head (2) includes a pop-up riser (20). Riser (20) comprises a housing (26) having a rotatable nozzle assembly (28) carried adjacent the top thereof. A driven gear (50) is fixed to nozzle assembly (28) and cooperates with a drive train contained inside |
| 4609146 |
Sprinkler with improved riser seal |
September 2, 1986 |
| A sprinkler including a housing, a riser and a riser seal element is disclosed. The housing has a hollow interior with an upward-inward slanted, conical shaped seal element receiving slot. The riser is mounted in the hollow interior of the housing for reciprocating motion between an |
| 4584771 |
Line metering apparatus |
April 29, 1986 |
| Cutting filament metering apparatus for a flexible filament vegetation cutting device in which a flexible filament cutting element is coiled on a filament holder rotatably driven about a substantially vertical axis with a free end of the driven filament defining a cutting plane. The cutt |
| 4571831 |
Cutting head for filament trimmer |
February 25, 1986 |
| A cutting head (20) for a filament trimmer utilizing a fixed length of filament is shaped like an inverted bowl with a flange (2). A filament retainer cup (60) is attached to the concavity of head (20) and has two V-shaped slits (64) diametrically opposed. Apertures (6) in the sides of |
| 4569485 |
Mist emitter |
February 11, 1986 |
| A variable precipitation rate mist emitter (10) is disclosed. The emitter includes an emitter head (14) having an inlet opening (19), an outlet opening (26), a deflector disc (28) spaced from the opening for redirecting the water flowing from the outlet opening, and a projection (42) |
| 4558558 |
Lawn mower traction control system |
December 17, 1985 |
| A self-propelled lawn mower (2) has an engine (4), transmission (8), two drive wheels (10) and a rearwardly and upwardly extending handle (18). A pivotable and rotatable control bar (20) is mounted on handle (18). The pivotable and rotatable bar (20) provides individual or simultaneous |
| 4526198 |
Irrigation controller |
July 2, 1985 |
| An irrigation controller for use with a plurality of electrically or hydraulically activated valves for automatically regulating time, location and duration of irrigation. An indexing rotary switch or rotary hydraulic pilot valve sequentially activates the valves. Adjustable timing units |
| 4524515 |
Rotary cutting assembly with filament feed |
June 25, 1985 |
| A rotary cutting assembly with an automatic filament feed. The assembly includes a driven member which is coupled to a drive source and contains a storage spool for the cutting line. The line or filament is automatically advanced from the spool upon displacement of the same through engag |
| 4506702 |
Electromechanical irrigation controller |
March 26, 1985 |
| An electromechanical irrigation controller for use with a plurality of electrically activated valves for automatically regulating time, location, and duration of irrigation. A microcomputer provides a switching means for sequentially activating the valves and determines the dwell time on |
| 4501391 |
Hose end pattern sprinkler |
February 26, 1985 |
| A hose end pattern sprinkler has a sprinkler housing supported on a base with a hose end coupling for connecting a garden type hose to a water inlet of the housing, a pressure regulator having an inlet pressure balanced valve member which is adjustable externally of the housing for c |
| 4475287 |
Filament line retaining member |
October 9, 1984 |
| An improved vegetation cutting device (2) comprises a rotatable cutting head (4) having a radially outwardly extending cutting line (14). Cutting line (14) extends through an exit aperture (12) in the cutting head (4) to define a free end portion (16) that serves as the vegetation cuttin |
| 4471908 |
Pattern sprinkler head |
September 18, 1984 |
| An improved sprinkler of the type adapted to rotate and create a redefined horizontal spray pattern around it. A rotating turbine drives a cylindrical nozzle assembly having a plurality of nozzle openings therein. The nozzle openings deliver streams of water of variable length and vo |
| 4458472 |
Lawn mower zone start system |
July 10, 1984 |
| A rotary lawn mower (2) having an internal combustion engine (8) that includes a recoil starter (17) has a zone start system (20 or 40) for supporting the pull grip (19) of the starter (17) on the handle assembly (12) of the mower (2). Zone start system (20 or 40) each includes a bra |
| 4452185 |
Engine housing |
June 5, 1984 |
| An engine housing assembly (1) has a cover (2) and a body (4). Longitudinal baffles (10, 12 and 17) on cover (2) cooperate with baffles (13, 14, 60 and 61) on body (4) to seal against engine (8), to provide a first chamber (16) adjacent the intake side of the engine, and a second chamber |
| 4426780 |
Line metering apparatus |
January 24, 1984 |
| A line metering apparatus (20) for use on a vegetation cutting device (22) includes a driving portion (40) and a driven portion (42). A pivotable pawl (58) selectively couples the driving and driven portions (40) and (42). Whenever the motor (28) is de-energized by turning it off, the |
| 4412382 |
Line feed mechanism for filament cutting |
November 1, 1983 |
| An indexing mechanism (10) for a filament line vegetation cutting device (12) comprises a spool (34) fixed to a drive shaft (22). Enclosure (62) surrounds spool (34) and has a grommet (82) for guiding a filament line (2) contained on spool (34). A spider (64) has upstanding members (68) |
| 4407451 |
Water pressure controlled indexing means for irrigation sprinkler system |
October 4, 1983 |
| A water pressure controlled indexing means for an irrigation sprinkler system in which a plurality of pilot valves, each operating an associated sprinkler or group of sprinklers is provided, has a ratchet wheel including a plurality of ratchet teeth and which is associated with one of |
| 4403466 |
Lawn mower engine oil drain |
September 13, 1983 |
| A rotary lawn mower (2) includes a four cycle internal combustion engine (20) having an elongated dipstick tube (30). Dipstick tube ( (30) is pivotably connected to the engine oil sump (24) for movement between a first position and a second horizontal position. Dipstick tube (30) in the |
| 4398666 |
Stream rotor sprinkler |
August 16, 1983 |
| A stream rotor sprinkler has a rotating spray head and a crown configured stream deflector positioned about the spray head to deflect water spray from a nozzle in the spray head wherein the deflector is moved in an eccentrically revolving and rotating motion relative to the sprinkler |
| 4397088 |
Power equipment unit with split handle |
August 9, 1983 |
| A power equipment unit (2) comprises a housing (4) having an active element (6), a drive unit (14) for the active element (6) and an upwardly extending handle assembly (16). Handle assembly (16) comprises upper and lower handle tubes (18 and 20) which are rigidly clamped together by |
| 4391041 |
Powered ground care implement |
July 5, 1983 |
| A powered ground care implement (2) includes a rotatable cutting head (14) having a filament line (16) for severing ground growing vegetation. An upwardly extending handle assembly (4) includes an engine (10) mounted at the top thereof. Engine (10) is fixedly secured to a backing plate ( |
| 4384443 |
Mower |
May 24, 1983 |
| A mowing machine comprises a plurality of cutting units (4) powered by a parallel hydraulic system with distributing means (30). The cutting units (4) are each powered by a hydromotor (16), all hydromotors (16) being driven by a central hydraulic pump (P). The hydromotors (16) are fed in |
| 4382556 |
Side wheel roll leveling device |
May 10, 1983 |
| A fluid pressure activated mechanism in a rollable side wheel irrigating device allows gravity to maintain the sprinkler head portion of the device perpendicular or level to the ground as the device is rolled in position, and prevents nozzle pressure from moving the sprinkler head once f |
| 4376630 |
Drive coupling |
March 15, 1983 |
| A drive coupling is described which comprises a rubber article having a solid body section and a plurality of longitudinal ribs. |
| 4376513 |
Irrigation stream splitter |
March 15, 1983 |
| An improvement to sprinkler heads used in tree orchards and the like wherein it is undesirable to have irrigation water maintaining the trunks of the trees in a constantly wet state. The sprinkler heads involved are the vertically disposed cylindrical type wherein a rotating nozzle at th |
| 4374465 |
Attachment for rotary lawn mower |
February 22, 1983 |
| A rotary lawn mower (2) has a rigid cutting blade (6) rotatable in a housing (4). A filament holder (12) is releasably attached to blade (6) through aperture (16) by mounting means consisting of tab (22), neck (24), and collar (26). Filament holder (12) releasably contains a filament (14 |
| 4361000 |
Bagging filament mower |
November 30, 1982 |
| A bagging filament line lawn mower (2) has a filament line cutting element (8). A fan (60) located in a cutting chamber (26) in the housing (4) of mower (2) is shielded by an outer shroud wall (68). Shroud wall (68) and fan (60) are configured to create an airflow in the cutting chamber |
| 4357954 |
Backflow preventing valve construction |
November 9, 1982 |
| An improved check valve for a backflow preventing valve of the type having an inlet passage, an intermediate chamber, and an outlet passage, includes a stationary valve port fluidly communicating with the intermediate chamber, a movable contoured valve seat for sealing the port, and a va |
| 4335569 |
Reel to bedknife adjustment system |
June 22, 1982 |
| A reel type mower (2) has a rotatable cutting reel (4) and a cooperating bedknife (8). A control system (30) automatically positions the bedknife (8) relative to the cutting reel (4). An electrical potential is normally maintained between the bedknife (8) and reel (4). The control system |
| 4335567 |
Bagging filament mower |
June 22, 1982 |
| Lawn mower (2) includes a housing (4) having at least one cutting chamber (22 or 24) in which a flexible line cutting element (8) is rotated by a motor (76). Sails (80) located on cutting element (8) are configured to generate an air flow in the cutting chamber (20 or 22). This air flow |
| 4335566 |
Control system for power equipment |
June 22, 1982 |
| A control system (20) for an outdoor power equipment unit (2) includes a control member (22) pivotally mounted on the housing (4) of unit (2). Control member (22) rotates in a first direction from a neutral position to a first position in which a brake and clutch drive is actuated to a |
| 4327539 |
Control system for power equipment |
May 4, 1982 |
| Control system (2) for an outdoor power equipment unit includes a pivotal control member (10) having a pivotal traction drive link (20) for actuating a traction drive of the unit and a pivotal clutch link (22) for actuating an active element of the unit. A latch (40) rotatively couples |
