Resistance weight kit
US4974836A · kind A · utility
Inventor
Key dates
| Filing date | Apr 19, 1989 |
| Grant date | Dec 4, 1990 |
| Priority date | — |
| Expiry date | Apr 19, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S482/904
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A resistance weight kit which may be readily installed in a door frame. The resistance weight kit includes an extendable screw threaded support bar assembly (22) having rubber feet (28) at either end which may engage the sides of a door frame in an elevated position. Mounted on the support bar assembly are two radiallly outwardly extending eyes (52). A first pulley block (14) may be secured to one of the eyes (52) by a quick connector (60). A second pulley block (16) is provided and intermediate portions (74, 76) of a primary rope (18) engage the sheaves (58) of each of the pulley blocks. The ends of the rope are formed into eyes and one end (80) may be connected to the other radially outwardly extending eye (52) by another quick connector (60). A weight holder (12) is connected to an eye (56) on the second pulley block (16) by another quick connector (60). An engagement device is connected to the eye (78 ) on the other end of the rope by another quick connector (60). The engagement device may be a baseball (88) with an extension length of rope (86). Alternatively, it may be a cross bar (110) or ankle band (122). The kit may further include a platform (20) having a third pulley blo…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.