About 19 results
https://drivepatents.com/patents/1380402 · 2 Apr 2026
A linear jack includes an outer tube, a first rotating screw configured to rotate relative to the outer tube, a coarse nut threadedly coupled to the first rotating screw, and a first sleeve configured to translate with respect to the coarse nut between a f...
https://drivepatents.com/patents/1380401 · 2 Apr 2026
A method for manufacturing a linear jack includes disposing a first rotating screw at least partially within a coarse nut, wherein the first rotating screw is threadedly coupled to the coarse nut. A second rotating screw is disposed at least partially with...
https://drivepatents.com/patents/1380018 · 26 Mar 2026
A motorized landing gear including: a motor housing that encloses a motor; a gearbox; a controller; and a power source powering the motor and the controller. The gearbox attaches to an axle having two ends, with a first end of the axle connecting to a firs...
https://drivepatents.com/patents/950569 · 27 May 2015
The trailer landing gear apparatus may be used for rotating a drive shaft of a landing gear or lifting gear of a land vehicle. There may be a drive shaft connector that may be attachable to a trailer drive shaft, A drive gear apparatus may be mounted on a ...
https://drivepatents.com/patents/978243 · 19 Feb 2014
The telescopic tube has a piercable bolt that enables mutual locking of pipes in desired extended position. A handle lever and a closure element extend from pin axis and are arranged in different planes perpendicularly to the pin axis. A securing portion h...
https://drivepatents.com/patents/979630 · 15 Jan 2014
A mechanical jack (10**) comprising a casing (11**) which encloses a reduction unit (12**) and a linear actuator device (13**). The jack (10**) is characterized by the fact that the driven gear (14**) of the reduction unit (12**) is directly coupled, i.e. ...
https://drivepatents.com/patents/982894 · 23 Oct 2013
The power drive includes a housing enclosing a gearing system and a motor. The housing is mounted under the floor of a transport trailer. A drive shaft extends outside the housing for connection in series with a cross shaft of the landing gear of the trail...
https://drivepatents.com/patents/992601 · 27 Feb 2013
The supporting device (100) has an inner support tube (120) which is telescopically provided in outer support tube (110). A spindle mechanism is provided in outer support tube along an axial direction (L). An actuator device (140) is provided for operating...
https://drivepatents.com/patents/1015301 · 2 Mar 2011
The jack includes a positioning device (6) setting final positions (42, 43) of the support leg (10). The positioning device (6) includes a final position (42) securing mechanism (7) used in the resting (inactive or raised) position. It also has a position ...
https://drivepatents.com/patents/1072276 · 23 Nov 2005
The foot (14) has a swivel bearing (13) for connection to a supporting tube (12) of the supporting or lifting device and a foot plate (15) for supporting on a support surface. The underside of the foot plate facing the support surface is in the form of a s...