DE19644057A1 - Resilient drawbar with cutting height adjustment thread for lawn mowers - Google Patents
Resilient drawbar with cutting height adjustment thread for lawn mowersInfo
- Publication number
- DE19644057A1 DE19644057A1 DE1996144057 DE19644057A DE19644057A1 DE 19644057 A1 DE19644057 A1 DE 19644057A1 DE 1996144057 DE1996144057 DE 1996144057 DE 19644057 A DE19644057 A DE 19644057A DE 19644057 A1 DE19644057 A1 DE 19644057A1
- Authority
- DE
- Germany
- Prior art keywords
- height adjustment
- resilient
- cutting height
- thread
- helical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/74—Cutting-height adjustment
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D2101/00—Lawn-mowers
Abstract
Description
Die Erfindung betrifft federnde Zugstangen mit Schnitthöhenverstell-Gewinden für zentrale Schnitthöhenverstellungen von motorisch betriebenen handgeführten Rasenmähern.The invention relates to resilient tie rods with cutting height adjustment threads for central Cutting height adjustments of motor-operated hand-operated lawnmowers.
Bei den bekannten zentralen Schnitthöhenverstellungen für motorisch betriebene handgeführte Rasenmäher mit gewindeförmigen Schnitthöhenverstell-Elementen ist nachteilig, daß ein Gewindeteil, eine Zugstange, ein Bolzen, der die Zugstange mit dem Gewindeteil schwenkbar verbindet, und ein Bolzen, der das andere Ende der Zugstange mit einem Hebel eines schwenkbaren Achsenbügels des Rasenmähers verbindet, erforderlich sind, um einen Achsenbügel (meist Hinterachsenbügel) so zu schwenken, daß hierdurch die Schnitthöhenverstellung erfolgt.With the known central cutting height adjustments for motor-operated hand-held lawn mowers with thread-shaped cutting height adjustment elements is disadvantageous that a threaded part, a pull rod, a Bolt that pivotally connects the tie rod to the threaded part, and a bolt that connects the other end the tie rod connects with a lever of a pivotable axis bracket of the lawnmower required are to pivot an axle bracket (usually rear axle bracket) so that the The cutting height is adjusted.
Bei der federnden Zugstange mit Schnitthöhenverstell-Gewinde für zentrale Schnitthöhenverstellungen motorisch betriebener handgeführter Rasenmäher nach meiner Erfindung wird der Nachteil der vielen Teile dadurch überwunden, daß die Aufgabe des Gewindeteils (die Schnitthöhe zu verändern), daß die Aufgabe der Zugstange (die Kraft zum Schwenken eines Achsenbügels zu übertragen) und die Aufgaben der beiden Bolzen (die die notwendige Schwenkbewegung der Zugstange ermöglichen) von nur einem Teil aus rundem oder eckigem Federstahldraht übernommen werden. Im Gewindebereich ist dieses Teil schraubenfeder-förmig ausgebildet. Im Zugstangenbereich schließt sich ein gerader zylindrischer bzw. prismatischer Bereich in der Achsenrichtung des schraubenfeder-förmigen Bereiches an. Am unteren Ende des geraden Bereiches des Teiles ist das Teil kurz rechtwinklig abgewinkelt. Der abgewinkelte kurze Haken am unteren Ende wird in die entsprechende Bohrung des Hebels eines Achsenbügels (vorteilhaft mit Vorspannung in Steckrichtung) gesteckt. Der rechtwinklig abgewinkelte Teil der Zugstange kann mit einer oder mehreren Kerben versehen sein, die das Haften eines Sicherungselementes bewirken können. Der Federstahldraht-Durchmesser bzw. Querschnitt ist so gewählt, daß das Teil die Schwenkbewegung des Hebels am Achsenbügel leicht durch Federung mitmacht, aber genügend Drucksteifigkeit gegen Ausknicken bei den maximal auftretenden Druckkräften besitzt. Der schraubenfeder-förmige Bereich des Teiles kann am Ende abgebogen oder abgewinkelt sein. Der Höhenverstellknopf (das Betätigungselement für die Schnitthöhenverstellung) erhält ein zu der Schraubenform des Teiles passendes Gewinde (meist Innengewiede).With the resilient tie rod with cutting height adjustment thread for central cutting height adjustments Motorized handheld lawn mower according to my invention becomes the disadvantage of many parts overcome that the task of the threaded part (to change the cutting height) that the task of Drawbar (to transmit the force to pivot an axle bracket) and the tasks of the two bolts (which enable the necessary pivoting movement of the drawbar) from only one part made of round or square spring steel wire. In the threaded area, this part is helical educated. In the area of the tie rods, a straight cylindrical or prismatic area closes in the Axis direction of the coil spring-shaped area. At the bottom of the straight section of the part the part is angled at right angles. The angled short hook at the bottom ends in the Corresponding hole in the lever of an axle bracket (advantageously with preload in the direction of insertion) stuck. The right-angled part of the pull rod can be provided with one or more notches be that can cause the adhesion of a securing element. The spring steel wire diameter or Cross-section is chosen so that the part easily through the pivoting movement of the lever on the axle bracket Suspension, but sufficient pressure rigidity against buckling at the maximum occurring Possesses compressive forces. The coil spring-shaped area of the part can be bent or at the end be angled. The height adjustment button (the actuating element for the cutting height adjustment) receives a thread matching the screw shape of the part (mostly internal thread).
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996144057 DE19644057A1 (en) | 1996-10-31 | 1996-10-31 | Resilient drawbar with cutting height adjustment thread for lawn mowers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996144057 DE19644057A1 (en) | 1996-10-31 | 1996-10-31 | Resilient drawbar with cutting height adjustment thread for lawn mowers |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19644057A1 true DE19644057A1 (en) | 1998-05-07 |
Family
ID=7809770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1996144057 Withdrawn DE19644057A1 (en) | 1996-10-31 | 1996-10-31 | Resilient drawbar with cutting height adjustment thread for lawn mowers |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19644057A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11172607B2 (en) | 2016-06-30 | 2021-11-16 | Tti (Macao Commercial Offshore) Limited | Autonomous lawn mower and a system for navigating thereof |
US11357166B2 (en) | 2016-06-30 | 2022-06-14 | Techtronic Outdoor Products Technology Limited | Autonomous lawn mower and a system for navigating thereof |
-
1996
- 1996-10-31 DE DE1996144057 patent/DE19644057A1/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11172607B2 (en) | 2016-06-30 | 2021-11-16 | Tti (Macao Commercial Offshore) Limited | Autonomous lawn mower and a system for navigating thereof |
US11357166B2 (en) | 2016-06-30 | 2022-06-14 | Techtronic Outdoor Products Technology Limited | Autonomous lawn mower and a system for navigating thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2643694C2 (en) | Strut for fixing the trunk lid of a passenger car | |
DE3047379A1 (en) | SPIDER REEL FOR FISHING EQUIPMENT | |
DE3024854A1 (en) | SWITCHABLE BACKLOCK FOR FISHING WINCHES | |
EP3272207B1 (en) | Working device with partial housings connected via a swivel joint | |
DE102015219031A1 (en) | Cable control unit for a parking brake of a vehicle | |
WO2011117367A1 (en) | Tuning peg for a stringed instrument | |
DE19644057A1 (en) | Resilient drawbar with cutting height adjustment thread for lawn mowers | |
EP1136638B1 (en) | Pole supporting device, in particular for a wooden pole | |
DE1286169B (en) | Electric fence posts and device for driving into the ground | |
DE562064C (en) | Extension tube, especially for tripod feet | |
DE8329706U1 (en) | CENTRAL LOCKING DEVICE FOR MOVABLE DEVICES, CONTAINERS OD. DGL. FIXED STEERING OR BOCKING ROLLERS | |
DE19951149C2 (en) | Device for fastening and tensioning a rope | |
DE3247161A1 (en) | Ski stick having a shock-absorbing arrangement | |
DE102010012666A1 (en) | Ride-on mower with height adjustment | |
DE858932C (en) | Rotatable handle for pulling the control wires on bicycles with auxiliary engines, motorcycles and other vehicles | |
DE3413284C1 (en) | Spanner with hand-driven screw transmission | |
AT404712B (en) | CLAMPING DEVICE FOR BICYCLE SADDLES | |
AT133403B (en) | Fastening device for bolt or pipe ends u. like | |
DE2736707A1 (en) | Setting tool for blind rivets - has lever to exert axial force on rivet to cause collapse of head | |
DE830018C (en) | Length adjustment controller for ski bindings | |
DE2244336A1 (en) | CONTROL LEVER, PREFERABLY GEAR LEVER FOR BICYCLE GEARSHIFTING | |
DE8337630U1 (en) | PIPE CLAMP OR THE LIKE. WITH THREADED CONNECTOR | |
AT137698B (en) | Ski binding. | |
DE19917027A1 (en) | Fishing rod holder comprises metal rod which is fixed into ground and carries frame at right angles to it which anchors device, pivot allowing angle of top section the to be varied and frame near top to hold rod | |
DE102010010462B4 (en) | ratchet wrench |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8139 | Disposal/non-payment of the annual fee |