With Means Mounting Closure For Reciprocation Patents (Class 49/404)
- Acting transversely of closure face (Class 49/415)
- With means to adjust or retract biaser (Class 49/417)
- Nonmetallic biaser (Class 49/419)
- Ball or roller bearing (Class 49/420)
- Closure carried (Class 49/421)
- Biaser permits self-adjustment of single guide for plural closures (Class 49/422)
- Slide or guide with transverse restrainer (Class 49/423)