Zi Wen Cao: Adjustable armrest assembly. Alan Oppenheimer Wolff & Donnelly Kamrath, January 25, 2000: US06017091 (49 worldwide citation)

An adjustable armrest assembly has a fixed seat, a control seat disposed on the fixed seat, a pad seat disposed on the control seat, a main body disposed on the pad seat, and a cover plate covering the main body. The fixed seat has two through apertures. The control seat has two stepped holes, two t ...

Robert N Hamlin, John Thomas VanScoy, Timothy Gearling Haines: Unidirectional resistance pivot assembly for a splint. EMPI, Alan Oppenheimer Wolff & Donnelly Kamrath, October 10, 2000: US06129690 (41 worldwide citation)

The upper and lower sections (12, 14) of a splint (10) are pivotable about a pivot axis (17) by a pair of pivot assemblies (16). Each pivot assembly (16) includes a housing (18) having a cylindrical side wall (20) and a spacer (30) having a cam track (34). The housing (18) is closed by a closure pla ...

Poonam Agarwala, Alexander N Kipnis: TENS device with electronic pain intensity scale. Empi, Alan Oppenheimer Wolff & Donnelly Kamrath, March 28, 2000: US06044303 (40 worldwide citation)

A TENS device includes a pain intensity scale input for use by a patient in starting and stopping a pain treatment. Input data, as well as time and intensity data, is stored, analyzed and displayed to help a clinician evaluate the effectiveness of the pain treatment.

Mu Lin Shen: Lock core-changeable type auxiliary lock with improved pull-resistant structure. Alan Oppenheimer Wolff & Donnelly Kamrath, October 26, 1999: US05970760 (32 worldwide citation)

An auxiliary lock includes a housing, a positioning seat securely mounted in the housing, a lock core housing securely mounted in the positioning seat and including a compartment, and a lock core removably mounted in the compartment of the lock core housing. The lock core includes two lateral sides ...

Chris Nelson, Dave Hennessy, Bradford Palmer: Integrated fan assembly with variable pitch blades. Horton, Alan Oppenheimer Wolff & Donnelly Kamrath, August 29, 2000: US06109871 (30 worldwide citation)

A fan assembly (10) includes first and second housing sections (70, 72) which, when mated by a first set of fasteners, define a plurality of circumferentially spaced openings (162) that lead to an internal housing chamber (82). The fan assembly (10) also includes a plurality of blade units (140), ea ...

Kipp W Knutson: Shutoff control methods for surface treating machines. Nilfisk Advance, Alan Oppenheimer Wolff & Donnelly Kamrath, March 28, 2000: US06042656 (27 worldwide citation)

An apparatus (200) is provided in a floor scrubber (10) for automatically shutting off the motor (60) which rotates an agitator (64) and the motor (96) of a vacuum assembly under various operating conditions of the floor scrubber (10). The current to the motors (60, 96) is detected by devices (204, ...

Yao Chuan Wu: Adjustable armrest device. Alan Oppenheimer Wolff & Donnelly Kamrath, June 13, 2000: US06074012 (25 worldwide citation)

An adjustable armrest device has an armrest seat, a slide seat disposed on the armrest seat, and a pivot connection seat disposed on the slide seat. A disk is inserted in a center hole of the pivot connection seat. Two screw rods are disposed on the slide seat and inserted in two through holes of th ...

David Ling: Tool display pack with a security device. Hand Tool Design Corporation, Alan Oppenheimer Wolff & Donnelly Kamrath, November 23, 1999: US05988381 (21 worldwide citation)

A tool display pack includes a board and a security device. The board has an engaging hole with a shoulder section. The security device includes an end pivotally connected to the boar. A resilient locking member projects from an inner side of the security device that faces a front side of the board. ...

Ding Kuo Chen: Engaging member for assembled shelves. Alan Oppenheimer Wolff & Donnelly Kamrath, December 7, 1999: US05996955 (20 worldwide citation)

An engaging member is provided for engaging two cross rods consisting of a first rod and a second rod. The engaging member includes an inverted U-shaped section having two ends. Each end of the inverted U-shaped section extends in a direction transverse to a plane on which the inverted U-shaped sect ...

John Kinkead, George B Kinkead, Scott Kinkead, Matthew A Donner: Seeder apparatus for dispensing seed with or without top dressing. Turfco Manufacturing, Alan Oppenheimer Wolff & Donnelly Kamrath, February 15, 2000: US06024033 (19 worldwide citation)

The seeder apparatus includes a material hopper for dispensing material onto a conveyor to be moved thereby to an entry nip between a rotary brush and the conveyor for propelling the material downwardly at the discharge end. In one embodiment, a metering gate extends vertically in its closed positio ...