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Bernard A Pearson: Rock drill bit insert retaining sleeve assembly. Smith Williston, Seed Berry Vernon & Baynham, March 29, 1977: US04014395 (49 worldwide citation)

A bit and sleeve have matching tapers and are pressed together so that in a working configuration the external diameter of the sleeve is stretched to slightly exceed the diameter of the bore into which the combined assembly is to be asserted. The sleeve is then partially removed from the bit to rela ...


2
Donald L Snellman, Bernard A Pearson, John W Jacobs: Microfiche feeder. Donald L Snellman, Seed and Berry, October 22, 1985: US04548395 (19 worldwide citation)

A microfiche feeder 10 conveys isolated sheets of microfiche from a stack 30 to a collator 12, sorter, or other processing apparatus. The stack of microfiche is placed in a receiver. A drive wheel 34 contacts the lowest sheet of the stack 30 to increment the sheet forward by suction as the wheel rev ...


3
Donald L Snellman, Bernard A Pearson, John W Jacobs: Sheet feeder. Donald L Snellman, Seed and Berry, December 2, 1986: US04625955 (5 worldwide citation)

A sheet feeder with a feed wheel assembly for conveying an end sheet from a stack of sheets. The feed wheel assembly has a rotatable engagement wheel positioned to contact the end sheet of the stack, and operable to separate and convey the end sheet from the stack; a horizontally extending first sha ...


4
Bernard A Pearson, John W Jacob: Conversion kit to adapt a single-feed continuous form press to dual-feed operation. Norfin International, Seed and Berry, September 20, 1988: US04771921 (4 worldwide citation)

A conversion kit to adapt a single-feed continuous form paper press to dual-feed continuous form paper operation and thereby double production capacity. The kit includes infeed and outfeed bars which are attachable by their ends to corresponding pairs of drive pins of the infeed and outfeed tractors ...


5
Russell J Bookout, Bernard A Pearson, John W Jacobs: Submergible pumping apparatus. TRW, Shapiro and Shapiro, August 20, 1985: US04536137 (3 worldwide citation)

Submergible pumping apparatus for use in an oil or other well comprises, in a self-contained downhole unit, a double-acting reciprocating positive displacement pump for pumping well fluid, a reservoir containing power fluid for operating the double-acting pump, a rotary motor-driven positive displac ...


6
Donald L Snellman, Bernard A Pearson: Sheet jogging apparatus. Donald L Snellman, Seed and Berry, August 21, 1984: US04466606 (3 worldwide citation)

An improved sheet jogging apparatus allows for easier access and quicker maintenance by placing the primary components of the apparatus above the top panel of the bin unit of a collator/sorter. Quicker adjustment of the sheet jogging apparatus to accommodate different sizes and widths of paper is ea ...


7
Donald L Snellman, Bernard A Pearson: Drive system for a collator. Donald L Snellman, Seed and Berry, May 22, 1984: US04449706 (3 worldwide citation)

An improved drive system for a tandem collator obviates the need for multiple motors to drive the various components of the several modules. In a simple manner, the drive train of this invention achieves greater electrical efficiency with reduced maintenance by using a direct current motor to drive ...


8
Donald L Snellman, Michael L Kingsley, Bernard A Pearson: Sheet deflector and conveyor drive. Seed and Berry, December 31, 1985: US04561647 (3 worldwide citation)

A sheet deflector drive for driving a sheet-delivering deflector between a plurality of vertically stacked paper-receiving shelves, including a pair of deflector carrying belts for moving the deflector between the shelves; a rotatable drive shaft for driving the belts to move the deflector, rotation ...


9
Donald L Snellman, Bernard A Pearson: Collator. Donald L Snellman, Seed and Berry, October 22, 1985: US04548398

An improved collator uses a novel sliding deflector assembly to allow greater spacing between the sheet conveyor 13 and trays 23. It also uses a novel sheet retention system which winds or unwinds as the sliding deflector assembly moves. The sliding deflector assembly may be driven with a double-clu ...


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