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An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 7353913 | Elevator hoisting machine and motor A elevator hoisting machine is provided with a stator mounting portion at which a stator core of a motor is mounted to a surface of a side opposite to a sheave in a sheave rotation centerline direction of the hoisting machine. A hat shape fixed frame member in which... | 04/08/2008 |
| 7316295 | Drive unit with brake for an elevator An elevator drive unit includes an engine, an engine stand, a bearing block, a traction sheave and an engine frame with a counter-roller base. The stator of the electric drive is bolted, by means of a flange, to the engine stand. The rotor of the electric drive sits... | 01/08/2008 |
| 4488708 | Draw works A draw works comprises a drum shaft which is supported off a base at spaced locations by four bearings. Each of the locations is adjacent a support side plate connected to support members of the base. The support members extend transversely to the drum sh... | 12/18/1984 |
| 4449697 | Multiple drum winches A multiple drum winch is driven by epicyclic differential gearing. One drum (1) rotates with the planet carrier (29, 55) and another drum (2) rotates with the annulus (35, 59) to which it is directly geared, the input being to the sun (27, 53), possibly v... | 05/22/1984 |
| 4244561 | Airborne hoist An improved airborne hoist for use in lifting a load, particularly by means f a helicopter, comprising a pair of rotatable drums, each drum being rotatable in an opposite direction, a drive unit intergeared through a series of shafts for providing rotation... | 01/13/1981 |
| 4240612 | Winch for the slip-free hauling of a rope The present winch may be a so-called single speed or double speed winch. The rope, which loops around a clamping roller with a looping angle smaller than 360°, is operated by at least one power system controlled by a control system through a spring clutc... | 12/23/1980 |
| 4143855 | Winch A self tailing winch has a tailing channel defined by a pair of jaws one of which rotates with the drum of the winch but one of which is non-rotatable. A line guide and stripper element are associated with the non-rotatable jaw, preferably being integrall... | 03/13/1979 |
| 4078770 | Winch with free-wheeling drum A winch embodied as a logging or towing winch for vehicles such as a log skidder, the winch including a rotatable drum and a power train having an input member coupled to an engine of the vehicle, a normally disengaged clutch providing a selective couplin... | 03/14/1978 |
| 4042214 | Overhead crane including an improved hoist drum and redundant hoist drum support means An overhead crane which includes an improved hoist drum and redundant means for supporting the hoist drum such that the hoist drum will be rotatably operable despite failure of the hoist drum or hoist drum support means. The hoist drum includes an outer c... | 08/16/1977 |
| 4019717 | Winch cable drum mounting and drive connection A winch includes a housing including spaced apart first, second and third upright wall portions. The second and third wall portions form part of an enclosure in which a drive train is located, the latter including an output shaft rotatably mounted in the ... | 04/26/1977 |
| 4019718 | Winch constructed specially for easy lubrication thereof A winch includes hydraulically operated brake and clutch means which comprise part of a drive train supported by and located within a cavity defined by a housing. The drive train includes an output shaft located as the uppermost shaft of the drive train a... | 04/26/1977 |
| 4005852 | Traction sheave warning for helicopter rescue hoist systems A helicopter rescue hoist-traction sheave assembly including a hoist cable engaging sheave and first housing, a drive motor having a drive shaft mounting the sheave and a second housing mounting the motor and positioned in adjustable relation to the sheav... | 02/01/1977 |
| 3968953 | Self-tailing winch A self tailing winch with which a rope can be automatically and properly pulled and paid out. A facing pair of clamping rings splined to a rotary winch drum for rotation therewith and define a generally angular shaped groove between them, one of the clamp... | 07/13/1976 |
| 3942762 | Winch for sailing ships A winch or capstan primarily for tightening the sails of a ship and having a winch head driven always in one direction only at a selected one of four speed ratios. A planetary transmission and free wheel arrangement provide two of the speed ratios corresp... | 03/09/1976 |
