JACK ROSS PLATE
Pilots at Lk Rd, Clarklake, MI

License number
Michigan A4132056
Issued Date
Jun 2016
Expiration Date
Jun 2018
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
5650 N Lake Rd, Clarklake, MI 49234

Professional information

Jack Plate Photo 1

Elastomeric Biased Caster

US Patent:
6499184, Dec 31, 2002
Filed:
May 14, 2001
Appl. No.:
09/853795
Inventors:
Jack R. Plate - Clarklake MI
Assignee:
Ross Design Engineering, Inc. - Cement City MI
International Classification:
B60B 3300
US Classification:
16 44, 16 18 R, 16 35 D, 16 19, 16 29
Abstract:
A caster supporting weight through a biasing device an elastomeric material, such as polyurethane, to elastomerically support the weight transmitted through the caster. The components are concisely related to each other, the elastic material is protected against damage, including excessive weight supporting forces, and in an embodiment of the invention, vertical caster adjustment is possible without affecting its elastomeric weight bearing characteristics.


Jack Plate Photo 2

Hydraulic Constant Force Caster

US Patent:
6550101, Apr 22, 2003
Filed:
Jul 30, 2001
Appl. No.:
09/917852
Inventors:
Jack R. Plate - Clarklake MI
Assignee:
Ross Design Engineering, Inc. - Cement City MI
International Classification:
A47B 9100
US Classification:
16 48, 16 19, 16 32, 16 35 D, 16 44, 280 4317
Abstract:
A caster system wherein a constant force is applied to the caster for load support purposes. A plurality of casters are interconnected by a fluid conduit system and each caster includes an expansible chamber motor for adjusting the vertical position of the caster. A fluid pressurizing unit communicates with the conduits and an adjustable force compression spring selectively varies the biasing force on the piston to adjust the equal force imposed upon each caster wheel.


Jack Plate Photo 3

Adjustable Kingpin Caster

US Patent:
2003006, Apr 3, 2003
Filed:
Oct 1, 2001
Appl. No.:
09/967558
Inventors:
Jack Plate - Clarklake MI, US
International Classification:
B60B033/04
US Classification:
016/019000
Abstract:
A heavy-duty caster of relatively concise configuration wherein a vertical kingpin interconnects the basic components, and the kingpin is vertically adjustable relative to its supporting structure to permit the vertical height of the caster to be readily varied.