Safety Latch for a Hook
23 Dec 21
A hook assembly including a spring-biased safety latch that provides for installation of the latch onto the hook without spring tension.
Troy Allen Raines, Jr., Luke James Cox
Filed: 23 Jun 20
Scalable Hysteresis Clutch
11 Feb 21
A hysteresis clutch including a first rotor with magnets that are polarized in opposite directions in pairs in a circumferential direction and between which pole pieces are provided for deflecting the magnetic flux in the radial direction and a second rotor of the hysteresis clutch has a series of second permanent magnets that extend in the circumferential direction and which are arranged on a circle that is concentric to the rotational axis A, the number of the first magnets and the number of the second magnet are configured such that a smooth torque curve is achieved which is free of a detent torque or at least has a low detent torque.
Filed: 24 Jan 19
Manual Hoist with Automatic Speed Change Device
20 Nov 19
A system for automatically switching between a high speed and a low speed state for rotating the drive shaft of a manual hoist.
Thomas Thelen, Brent Pope
Filed: 17 May 18
Patents are sorted by USPTO publication date, most recent first